Save where the panel was left, and recover a texture the archive lacks

The project carried the layer stack but not the user's place in it: a reopened project landed on slot 0 in Standard, whatever they had been editing. The active layer and Standard/Pro now live on the volume, next to the rest of its options, and come back with it. Docked/undocked goes to the application config instead - it describes the user's window, not the model, so opening someone else's project must not move their panel. A layer whose image_data was empty at save time was written with no texture and came back with none. It now falls back to the file the layer came from, which the importer put in the user's own texture library, so a project reopened on the same machine keeps its pixels. The texture is always stored as .png: the importer converts whatever the user picked, so the extension was being taken from a name that no longer described the bytes. Also adds v2_flip_edges to the cereal field list, which the undo stack was silently dropping.
Fix the build and clang-tidy failures in the persistence change
2026-10-11 18:01:14 +00:00 · 2026-10-09 09:35:35 +02:00 · 2026-10-09 09:05:42 +02:00 · 2026-10-09 09:03:51 +02:00 · 2026-10-09 12:15:16 +08:00 · 2026-10-05 08:36:22 +02:00
489 changed files with 77890 additions and 61951 deletions
@@ -6,7 +6,7 @@ description: Use when writing, modifying, reviewing or debugging any OrcaSlicer
 # OrcaSlicer wxWidgets GUI

 This skill is how OrcaSlicer's wxWidgets GUI is written, changed, fixed and reviewed. Its core is
-**wxWidgets 3.3.4 API usage** — the documented contracts, the per-platform behaviour and the known
+**wxWidgets 3.3.2 API usage** — the documented contracts, the per-platform behaviour and the known
 limitations of the wx version Orca pins — layered with the OrcaSlicer conventions, wrappers, custom
 widget library and stable component designs a contributor must follow. Every reference file opens
 with a numbered **Rules** checklist (what a diff is checked against), followed by sections that give
@@ -15,12 +15,9 @@ wrong → right pairs with the commit that fixed each one.

 ## Ground truth: the wx tree in deps/

-Orca pins upstream **wxWidgets 3.3.4** (`github.com/wxWidgets/wxWidgets`, tag `v3.3.4`,
-`deps/wxWidgets/wxWidgets.cmake`), built static (Flatpak: shared). Two in-tree patches are applied: an
-Apple-only sRGB colour-component fix (`0001-macos-use-srgb-colour-components.patch`) and a Windows-only
-clang-cl sibling-compiler search fix for the installed `wxWidgetsConfig.cmake`
-(`0002-clang-cl-sibling-compiler-prefix.patch`); neither applies on Linux. Facts about this build that
-change how you read the wx docs:
+Orca pins **wxWidgets 3.3.2** from the fork `github.com/SoftFever/Orca-deps-wxWidgets` (tag `v3.3.2`,
+`deps/wxWidgets/wxWidgets.cmake`), built static (Flatpak: shared). Facts about this build that change
+how you read the wx docs:

 - **Linux builds against GTK3** (`DEP_WX_GTK3` defaults ON in `deps/CMakeLists.txt`). Target GTK3 on
  both X11 and Wayland; GTK-guarded code must still compile on GTK2, an opt-out build Orca does not ship.
@@ -36,7 +33,7 @@ Look things up in the source the app is built from — it beats memory, and 3.3
 WX=$(find -L deps -maxdepth 5 -type d -path '*dep_wxWidgets-prefix/src/dep_wxWidgets' 2>/dev/null | head -1)
 # macOS: deps/build/<arch>/dep_wxWidgets-prefix/src/dep_wxWidgets   Linux, Windows: deps/<tree>/dep_wxWidgets-prefix/...
 # -L follows a worktree's deps/<tree> symlinked to the main checkout. Not a glob: zsh aborts on one that matches nothing.
-# If deps are not built: git clone --depth 1 -b v3.3.4 https://github.com/wxWidgets/wxWidgets
+# If deps are not built: git clone --depth 1 -b v3.3.2 https://github.com/SoftFever/Orca-deps-wxWidgets
 grep -n "CaptureMouse" -A 30 $WX/interface/wx/window.h      # documented contract (doxygen source)
 grep -rn "@onlyfor\|not implemented" $WX/interface/wx/popupwin.h   # documented platform limits
 ls $WX/docs/doxygen/overviews/                               # eventhandling.h, sizer.h, high_dpi.md, windowdeletion.h, ...
@@ -222,15 +219,14 @@ known class with a pitfall entry and a fixing commit.
  any wx key event; Control+click arrives as a right-click.
 - **Windows:** `IsDark()` and `wxSYS_COLOUR_*` follow the system app mode, not Orca's theme — use
  `dark_mode()`; menu bitmaps follow `check_dark_mode()`; windows are not double-buffered by default in
-  3.3.4; `ProcessLeftDown` is never called for popups; a popup that must close with the frame calls
+  3.3.2; `ProcessLeftDown` is never called for popups; a popup that must close with the frame calls
  `BindUnfocusEvent()`.
 - **Linux GTK3:** dialogs without size hints collapse (only sizer-fitting calls, not `Fit()`, are
  replayed at the first `Show()`); command events from a popup's children are not stopped at the popup
  (MSW/macOS stop them); chained popups need `transient_for` set to the mapped parent right before
  showing; native borders leak through custom widgets (`RemoveButtonBorder`/`RemoveInputBorder`).
 - **Wayland:** no global pointer position, no window positioning, `wxClientDC`, `Update()` and `SetIcon`
-  do nothing, AUI floating is disabled (wx 3.3.4 can drag a floating frame via system drag sessions, but
-  its docking hints still need global positions), GL is EGL only.
+  do nothing, no floating AUI panes, GL is EGL only.

 ## Editing this skill

@@ -59,7 +59,7 @@ Contents: [Rules](#rules) · [wxColour](#wxcolour) · [System colours and appear

 **Contract.** Constructors: `()`, `(r, g, b, a = wxALPHA_OPAQUE)`, `(unsigned long|long|int|unsigned int)` ("A
 packed RGB value", `interface/wx/colour.h:98-101`), `(const wxString&|const char*|const wchar_t*)`;
-`wxColour(bool) = delete` (`include/wx/colour.h:225-240`; `docs/changes.txt:278-280`: code "unintentionally
+`wxColour(bool) = delete` (`include/wx/colour.h:225-240`; `docs/changes.txt:246-248`: code "unintentionally
 and mistakenly using wxColour ctor from bool … doesn't compile any longer").

 | Fact | Cite |
@@ -121,7 +121,7 @@ returned colour is always valid" (`interface/wx/settings.h:44-48`, `:398-407`).

 | Method | Contract |
 |---|---|
-| `IsDark()` | "checks the appearance of the current application and not the other applications on the system, so under MSW … will return false even if dark mode is used system-wide unless the application opted in using dark mode using wxApp::MSWEnableDarkMode()" (`:332-346`). An incompatible 3.3 change (`docs/changes.txt:77-79`). |
+| `IsDark()` | "checks the appearance of the current application and not the other applications on the system, so under MSW … will return false even if dark mode is used system-wide unless the application opted in using dark mode using wxApp::MSWEnableDarkMode()" (`:332-346`). An incompatible 3.3 change (`docs/changes.txt:71-73`). |
 | `AreAppsDark()` (3.3.0) | system-wide app dark mode "even if it's not enabled for this particular application"; same as `IsDark()` off MSW (`:308-321`). |
 | `IsSystemDark()` (3.3.0) | the "Windows mode", which can differ from the "app mode" (`:348-358`). |
 | `IsUsingDarkBackground()` | luminance fallback, "generally not very useful to call directly" (`:360-370`). |
@@ -233,25 +233,25 @@ child handlers.
 `@onlyfor{wxmsw}`, `interface/wx/app.h:1418-1465`):
 - "experimental"; uses "undocumented, and unsupported by Microsoft, functions"; works on Windows 10 later than
  v1809 (including LTSC 2019) and all Windows 11; testing before 20H1 (v2004) "has been limited".
- Flags: `DarkMode_Auto` (default) follows the system ("dark mode is only used if it is the default mode
-  for the applications on the current system"); `DarkMode_Always` forces dark, `DarkMode_Never` forces
-  light. **[source]** the enum also names `DarkMode_Auto = 0` in `include/wx/msw/app.h:46-52`;
-  `DarkMode_Never` is new in 3.3.4 (documented at `interface/wx/app.h:1450-1454`).
+- Flags: default follows the system ("dark mode is only used if it is the default mode for the applications on
+  the current system"); `DarkMode_Always` forces dark. **[source]** `DarkMode_Auto = 0` exists in
+  `include/wx/msw/app.h:48` although only `DarkMode_Always` is documented.
 - Returns `true` if enabled, `false` "most likely because the system doesn't support dark mode".
 - Alternatives: the `msw.dark-mode` system option (1 = `MSWEnableDarkMode()`, 2 = `DarkMode_Always`, settable by
-  environment variable from outside the app, `interface/wx/sysopt.h:85-89`), or `SetAppearance(System|Light|Dark)`.
- Known limitations (`interface/wx/app.h:1442-1448`): `wxTimePickerCtrl`, `wxDatePickerCtrl` and
-  `wxCalendarCtrl` stay light; `wxPrintDialog` on Windows 10 stays light; MDI applications are not
-  recommended in dark mode. `wxMessageDialog` gained dark mode in 3.3.3 (#26570) and the common dialogs
-  in 3.3.4 (#26780), so the older "anything `TaskDialog()`-based and the common dialogs stay light" note
-  no longer applies.
+  environment variable from outside the app, `interface/wx/sysopt.h:85-89`), or `SetAppearance(System|Dark)`.
+- Known limitations (`interface/wx/app.h:1434-1448`): anything `TaskDialog()`-based has no dark mode —
+  `wxMessageBox()`, `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`, simple `wxAboutBox()` (wx suggests
+  `wxGenericMessageDialog`/`wxGenericProgressDialog`); common-dialog wrappers `wxColourDialog`, `wxFindReplaceDialog`,
+  `wxFontDialog`, `wxPageSetupDialog`, `wxPrintDialog`; `wxTimePickerCtrl`, `wxDatePickerCtrl`, `wxCalendarCtrl`
+  stay light; toolbar items with `wxToolBar::SetDropdownMenu()` draw the drop-down "almost invisible".

-`AppearanceResult wxApp::SetAppearance(Appearance::System|Light|Dark)` (3.3.0, `interface/wx/app.h:1130-1187`):
+`AppearanceResult wxApp::SetAppearance(Appearance::System|Light|Dark)` (3.3.0, `interface/wx/app.h:1152-1190`):
 GTK/macOS follow the system by default and the call is immediate and "affects all the existing windows as well
 as any windows created after this call"; "Under MSW, the default appearance is always light" and an app that
-wants to follow the system must call it with `Appearance::System`; on MSW it maps to `MSWEnableDarkMode()` and
-returns `Ok`/`Failure` (`interface/wx/app.h:1166-1169`). `Failure` e.g. "because `GTK_THEME` is defined";
-`AppearanceResult::CannotChange` is "currently never returned" (`interface/wx/app.h:1151, 1179-1183`).
+wants to follow the system must call it with `Appearance::System`; "the appearance can be only set before any
+windows are created and calling this function too late will return AppearanceResult::CannotChange" (only wxMSW
+returns it);
+`Failure` e.g. "because `GTK_THEME` is defined".

 `wxDarkModeSettings` (`interface/wx/msw/darkmode.h:30-111`), passed to `MSWEnableDarkMode()`: `GetColour(wxSystemColour)`
 (defaults "not documented and are subject to change"; the doc example names `0x202020` as the default background);
@@ -260,40 +260,34 @@ returns `Ok`/`Failure` (`interface/wx/app.h:1166-1169`). `Failure` e.g. "because
 which "doesn't look very well in dark mode"; the base returns grey.

 **[source] facts the docs do not state:**
- As of 3.3.3 (#26516) and 3.3.4 (#26734), MSW dark mode can be switched at runtime: `SetAppearance()` maps to
-  `MSWEnableDarkMode()` and returns `Ok`/`Failure`, never `CannotChange` (`src/msw/darkmode.cpp:354-375`).
-  `MSWEnableDarkMode()` re-applies the mode to an existing window by sending it `WM_SYSCOLORCHANGE` (`:345-349`),
-  and the window restyles through `wxMSWDarkMode::HasChanged()`/`NotifySysColorChange()`
-  (`src/msw/window.cpp:5337, 5528-5534`), so a control created before the switch is re-themed too. macOS `System`
-  sets `NSApp.appearance` to `[NSAppearance currentAppearance]` rather than nil, pinning the current look
-  (`src/osx/cocoa/utils.mm:485-513`); GTK3 maps to the portal colour-scheme machinery; GTK2 always returns
-  `Failure` (`src/gtk/app.cpp:355-381`).
- `MSWEnableDarkMode` may be called any time; dark title bars are applied when a TLW is created
+- `SetAppearance` on MSW returns `CannotChange` when any TLW exists **or `MSWEnableDarkMode` was already called**
+  (`gs_appMode != AppMode_Default`); `SetAppearance(Light)` returns `Ok` without doing anything
+  (`src/msw/darkmode.cpp` `wxApp::SetAppearance`). macOS `System` sets `NSApp.appearance` to
+  `[NSAppearance currentAppearance]` rather than nil, pinning the current look (`src/osx/cocoa/utils.mm:485-513`);
+  GTK3 maps to the portal colour-scheme machinery; GTK2 always returns `Failure` (`src/gtk/app.cpp:355-381`).
+- `MSWEnableDarkMode` may be called any time, but dark title bars are applied only to TLWs **created** afterwards
  (`EnableForTLW` at the end of TLW creation, `src/msw/toplevel.cpp:513`) and controls are dark-enabled at creation
  (`MSWCreateControl` → `AllowForWindow` and, for some controls, `SetForegroundColour(LISTBOXTEXT)`,
-  `src/msw/control.cpp:133-140`).
+  `src/msw/control.cpp:133-140`). wx cannot flip existing windows — the reason `SetAppearance` refuses late calls.
 - wx takes ownership of the settings pointer (`wxDarkModeModule::SetSettings`) — allocate it with `new`.
 - `msw.dark-mode` is read in `wxApp::Initialize` (`src/msw/app.cpp:492-494`): a user's `WX_MSW_DARK_MODE`
  environment variable enables wx dark mode before Orca's own call.
 - wx's owner-drawn menu path keys on `wxMSWDarkMode::IsActive()` (`src/msw/menuitem.cpp` `wxMenuItem::OnDrawItem`,
  `GetColourToUse`; `src/msw/menu.cpp`; menu-bar UAH drawing in `src/msw/darkmode.cpp`).

-3.3.x dark-mode fix log: 3.3.4 wxMSW (`docs/changes.txt:349-358`: dynamic dark mode, dark mode for
-wxFontPickerCtrl, wxNotebook, wxSpinButton and the common dialogs), 3.3.3 (`:433` "Implement support for
-switching between light/dark modes"; `:426` wxMessageDialog, `:429` combo/listbox on Windows 11, `:431`
-wxCheckBox label in screen readers), 3.3.2 (`:492-501`: checkbox accessibility in dark mode, rendering of
-several controls, toolbar, menus; also "Revert use of WS_EX_COMPOSITED"), 3.3.1 (`:553-565`:
-wxStaticBitmap-in-notebook crash, disabled wxButton bitmaps and wxStaticText, notebook high-contrast
-background, wxDataViewCtrl light-mode border regression, selected toolbar buttons, wxComboCtrl, wxTE_RICH
-wxTextCtrl), 3.3.0 (`:578` "Add experimental dark mode support to wxMSW"); XRC dark colour variants (`:687`).
+3.3.x dark-mode fix log: 3.3.2 wxMSW (`docs/changes.txt:297-308`: checkbox accessibility in dark mode, rendering of
+several controls, toolbar, menus; also "Revert use of WS_EX_COMPOSITED"), 3.3.1 (`:358-372`: wxStaticBitmap-in-notebook
+crash, disabled wxButton bitmaps and wxStaticText, notebook high-contrast background, wxDataViewCtrl light-mode
+border regression, selected toolbar buttons, wxComboCtrl, wxTE_RICH wxTextCtrl), 3.3.0 (`:385` "Add experimental dark
+mode support to wxMSW"); XRC dark colour variants (`:494`).

 **OrcaSlicer.** `GUI_App::on_init_inner` (`#ifdef __WINDOWS__`) calls `MSWEnableDarkMode(DarkMode_Auto)` and then
-`NppDarkMode::InitDarkMode(init_dark_color_mode, init_sys_menu_enabled)`. wx's call exists so that wx-drawn
-menus get dark borders; NppDarkMode does Orca's theming (title bars, explorer theme, scrollbars, list headers).
-The code comment "Orca: todo switch to native dark mode support in wxWidgets and remove NppDarkMode" records the
-intent. The old blocker — a live Preferences toggle would be restart-only because `SetAppearance` returned
-`CannotChange` and existing windows could not be restyled — is gone as of 3.3.3/3.3.4 (above). Orca still keeps
-NppDarkMode, and Orca's own `MsgDialog` family and `ProgressDialog` remain its message/progress UI.
+`NppDarkMode::InitDarkMode(init_dark_color_mode, init_sys_menu_enabled)`. wx's call exists only so that wx-drawn
+menus get dark borders; NppDarkMode does the theming (title bars, explorer theme, scrollbars, list headers) because
+it can switch live and wx cannot. The code comment "Orca: todo switch to native dark mode support in wxWidgets and
+remove NppDarkMode" records the intent; the blocker is that a live Preferences toggle would become restart-only
+(`SetAppearance` returns `CannotChange` after startup, existing windows cannot be restyled) and TaskDialog/common
+dialogs/pickers stay light anyway — which is also why Orca has its own `MsgDialog` family and `ProgressDialog`.
 **[source]** consequences of `DarkMode_Auto`: wx's internal "dark" stays `AllowDark` and follows the **system app
 mode**; NppDarkMode's later `SetPreferredAppMode` call does not touch wx's `gs_appMode`. So with Windows light +
 Orca dark, wx's dark machinery (menus, `GetColour()`, `IsDark()`) stays off; with Windows dark + Orca light it is
@@ -318,15 +312,11 @@ on: `GetColour()` returns the dark palette, new native controls are dark-enabled
  ```
  Cite: bf397a0632 (`GUI_App.cpp`, `GUI_App::on_init_inner`).
 - **Rule:** Do not call `wxTheApp->SetAppearance(...)` in Orca.
-  **Why:** MSW would switch wx's own mode out of step with NppDarkMode and `dark_color_mode` (wx's mode is driven
-  by `MSWEnableDarkMode(DarkMode_Auto)` and follows the system), GTK2 fails, and macOS pins
+  **Why:** MSW returns `CannotChange` (Orca already called `MSWEnableDarkMode`), GTK2 fails, and macOS pins
  `NSApp.appearance` while `GUI_App::dark_mode()` keeps reading the system `AppleInterfaceStyle` — the two would
  disagree.
- **Rule:** Do not show wx's TaskDialog-based or common dialogs; use `MessageDialog` and friends
-  (`MsgDialog.hpp`, see `references/windows-dialogs.md`).
-  **Why:** Orca's dialogs are owner-drawn and consistent with the rest of the UI. The old dark-mode gap
-  closed — `wxMessageDialog` gained dark mode in 3.3.3 (#26570) and the common dialogs in 3.3.4 (#26780) —
-  but the convention stands.
+- **Rule:** Do not show wx's TaskDialog-based or common dialogs where dark mode matters; use `MessageDialog` and
+  friends (`MsgDialog.hpp`, see `references/windows-dialogs.md`).

 ## Window colours, inheritance and native-control limits

@@ -381,7 +371,7 @@ macOS paints the system grey.

 | Port | Behaviour |
 |---|---|
-| MSW | `wxButton`/`wxToggleButton` `SetBackgroundColour`/`SetForegroundColour` switch the native button to `BS_OWNERDRAW` (`src/msw/anybutton.cpp` `wxAnyButton::MakeOwnerDrawn`, `:1324-1390`) — the colour works but native theming is gone. `wxCheckBox`/`wxRadioButton` foreground makes them owner-drawn when themes are active (`src/msw/control.cpp` `MSWMakeOwnerDrawnIfNecessary`); 3.3.2 fixed checkbox accessibility in that mode (`docs/changes.txt:492-493`). Static-text-like children paint the ancestor brush only if that ancestor's background is inheritable. |
+| MSW | `wxButton`/`wxToggleButton` `SetBackgroundColour`/`SetForegroundColour` switch the native button to `BS_OWNERDRAW` (`src/msw/anybutton.cpp` `wxAnyButton::MakeOwnerDrawn`, `:1324-1390`) — the colour works but native theming is gone. `wxCheckBox`/`wxRadioButton` foreground makes them owner-drawn when themes are active (`src/msw/control.cpp` `MSWMakeOwnerDrawnIfNecessary`); 3.3.2 fixed checkbox accessibility in that mode (`docs/changes.txt:299-300`). Static-text-like children paint the ancestor brush only if that ancestor's background is inheritable. |
 | macOS | `SetBackgroundColour` reaches the NSView only if it `respondsToSelector:setBackgroundColor:` and the style is not `wxBG_STYLE_TRANSPARENT` (`src/osx/cocoa/window.mm:3514-3531`): **NSButton (`wxButton`) ignores the background colour**. Foreground uses `setTextColor:` when the view has it (`:3885-3887`); stock NSButton has none. `wxStaticText` is an NSTextField with `setDrawsBackground:NO` — its background is never painted (`src/osx/cocoa/stattext.mm:154`). `wxTextCtrl`'s `setEnabled:` resets the text colour: multi-line (`wxNSTextView`) always, to `controlTextColor`/`disabledControlTextColor`; single-line (`wxNSTextField`) when it does not draw its background, to `controlTextColor`/`secondarySelectedControlColor` (`src/osx/cocoa/textctrl.mm`). |
 | GTK3 | `SetBackgroundColour/SetForegroundColour/SetFont` install a per-widget CSS provider `*{color:..;background:..;font:..}` at `GTK_STYLE_PROVIDER_PRIORITY_APPLICATION` (`src/gtk/window.cpp` `wxWindowGTK::GTKApplyStyle`); `wxButton`/`wxCheckBox` apply it to their inner label too (`src/gtk/button.cpp:325-335`, `src/gtk/checkbox.cpp:233-237`). User CSS (priority USER) can still override. |
 | GTK2 | colours applied with `gtk_widget_modify_style` — pixmap-engine themes may ignore them. |
@@ -106,7 +106,7 @@ The general wx rule is that setters do not send events. The exceptions are the b
 | `wxTextEntry::SetValue(s)` | **yes**, one `wxEVT_TEXT`, even when `s` equals the current text | `interface/wx/textentry.h:539-542`; [source] `src/common/textentrycmn.cpp:236-254`, `src/msw/textctrl.cpp:1133-1145` |
 | `wxTextEntry::ChangeValue(s)` | no | `interface/wx/textentry.h:177-178` |
 | `wxTextEntry::Clear()` | yes (= `SetValue("")`) | `interface/wx/textentry.h:193-194` |
-| `wxTextCtrl::SetLabel/SetLabelText` | nothing at all (3.3) | `docs/changes.txt:117-119`; `src/common/textcmn.cpp:934-937` |
+| `wxTextCtrl::SetLabel/SetLabelText` | nothing at all (3.3) | `docs/changes.txt:111-113`; `src/common/textcmn.cpp:934-937` |
 | `SetSelection/SetStringSelection` on wxChoice, wxComboBox, wxListBox, wxRadioBox | no | `interface/wx/ctrlsub.h:102-103,126` |
 | `wxComboBox::SetValue` | `wxEVT_TEXT` if editable; none with `wxCB_READONLY` | `interface/wx/combobox.h:256-272` |
 | `wxComboBox::Popup()/Dismiss()` | DROPDOWN/CLOSEUP, except on wxOSX | `interface/wx/combobox.h:279-281,292-294` |
@@ -184,7 +184,7 @@ Pitfalls:
  ctrl->GetTextCtrl()->SetLabel(s);        // Wrong: no-op
  ctrl->GetTextCtrl()->ChangeValue(s);     // Right (or SetValue if listeners must react)
  ```
-  Cite: `docs/changes.txt:117-119`.
+  Cite: `docs/changes.txt:111-113`.
 - **Rule:** Handle `wxEVT_TEXT_ENTER` without `Skip()` unless you want the default button activated as well.
  **Why:** a skipped Enter falls through to the dialog's default button and closes it.
  ```cpp
@@ -213,7 +213,7 @@ Contract:
  verbatim, and `wxControl::EscapeMnemonics()` escapes it (`interface/wx/control.h:174-195, 379-387`). This applies
  to `wxStaticText`, `wxCheckBox`, `wxRadioButton`, `wxButton` labels and to book page titles: all `wx*book`
  classes interpret mnemonics in page text (`interface/wx/bookctrl.h:141-147`), and since 3.3 wxListbook and
-  wxChoicebook do too (`docs/changes.txt:134-136`).
+  wxChoicebook do too (`docs/changes.txt:128-130`).
 - `SetLabelMarkup()` needs well-formed markup or the label "won't be shown at all" (returns false, keeps the old
  label). A bare `&` is still a mnemonic. Multi-line markup works only on GTK and macOS; the generic version used on
  MSW handles single lines (`interface/wx/control.h:338-347`). Quote untrusted text with
@@ -383,10 +383,10 @@ Pitfalls:

 - Virtual list (`wxLC_REPORT|wxLC_VIRTUAL`): call `SetItemCount()` and override `OnGetItemText` (optionally
  `OnGetItemImage`/`OnGetItemAttr`) (`interface/wx/listctrl.h:128-134`). `EditLabel()` asserts without
-  `wxLC_EDIT_LABELS` (`docs/changes.txt:74-75`).
+  `wxLC_EDIT_LABELS` (`docs/changes.txt:68-69`).
 - Images: prefer `SetImages(std::vector<wxBitmapBundle>)`; `wxImageList` is discouraged
-  (`interface/wx/withimages.h:21-40`) and is measured in physical pixels in 3.3 (`docs/changes.txt:91-94`); calling
-  its methods on an invalid (unsized) list now asserts, i.e. fails silently in Orca (`docs/changes.txt:59-62`).
+  (`interface/wx/withimages.h:21-40`) and is measured in physical pixels in 3.3 (`docs/changes.txt:85-88`); calling
+  its methods on an invalid (unsized) list now asserts, i.e. fails silently in Orca (`docs/changes.txt:53-56`).
  `Assign*` transfers ownership, `Set*ImageList` does not (`interface/wx/withimages.h:90-110`). Sizing:
  `references/dpi-bitmaps-fonts.md`.
 - `wxTreeCtrl`: `SelectItem` emits events ([table](#events-from-programmatic-changes)).
@@ -402,7 +402,7 @@ Contract:
  selection's blocks).
 - `FreezeTo(row, col)` returns false (an assert, silent in Orca) for out-of-range values, merged cells or the native
  header (`interface/wx/grid.h:5747-5772`); [source] also when rows/columns were reordered or drag-moving is enabled
-  (`src/generic/grid.cpp:5742-5750`). In 3.3 it freezes even when the grid is too small (`docs/changes.txt:54-57`).
+  (`src/generic/grid.cpp:5742-5750`). In 3.3 it freezes even when the grid is too small (`docs/changes.txt:48-51`).
 - Editor contract: `EndEdit` must not modify the grid — it stores the value and returns true if it changed;
  `ApplyEdit` writes it after `wxEVT_GRID_CELL_CHANGING` was not vetoed (`interface/wx/grid.h:610-638`). Editors,
  renderers and attrs are ref-counted and the setters take ownership (`:1263-1305, 1739-1770, 2681-2701`).
@@ -492,7 +492,7 @@ All cites `interface/wx/dataview.h`. MSW uses the generic implementation; wxGTK
 Other per-port facts: editing starts on a slow double-click or a platform key — "F2 is typical on Windows, Space
 and/or Enter is common elsewhere" (2604-2607, 1915-1918); a custom renderer's `StartDrag()` is "Not yet supported"
 (2717-2719); `RenderText()` should be used inside `Render()` so text matches native renderers (2708-2714). Calling
-`Collapse()` from an event handler was fixed in 3.3.1 (`docs/changes.txt:539`; the generic re-check is described
+`Collapse()` from an event handler was fixed in 3.3.1 (`docs/changes.txt:346`; the generic re-check is described
 under [DVC control API](#wxdataviewctrl-control-api)).

 OrcaSlicer: `ParamsViewCtrl` (`EditGCodeDialog`) and `DiffViewCtrl` (`UnsavedChangesDialog`) use
@@ -1,6 +1,6 @@
 # DPI, bitmaps and fonts

-How wx 3.3.4 maps DIP, logical and physical pixels on each platform, how DPI changes reach a window,
+How wx 3.3.2 maps DIP, logical and physical pixels on each platform, how DPI changes reach a window,
 and how OrcaSlicer sizes layout (`FromDIP`, `em_unit`), rescales (`DPIAware`), rasterizes icons
 (`BitmapCache`, `create_scaled_bitmap`, `ScalableBitmap`) and chooses fonts (`Label` table). Read it
 for any fixed size, icon, bitmap, image list, font, or `on_dpi_changed` work, and when a bug looks
@@ -488,7 +488,7 @@ handler bound there runs once more after every DPI change.
  inherits the DC's scale (`interface/wx/bitmap.h:370-385`).
 - `wxBitmap(const wxCursor&)` is invalid on GTK under Wayland (`interface/wx/bitmap.h:388-401`).
 - wxMSW `wxBitmap::Create(size, dc)` no longer multiplies by the DC's content scale
-  (`docs/changes.txt:100-102`).
+  (`docs/changes.txt:94-96`).

 **Offscreen drawing.** "The scaling factor of the bitmap determines the scaling factor used by
 this device context" (`interface/wx/dcmemory.h:41-58`); `wxMemoryDC(wxDC*)` does **not** inherit
@@ -740,7 +740,7 @@ are in `references/popups-menus.md`.
 in the new code as it doesn't support showing DPI-dependent bitmaps. Please use
 wxWithImages::SetImages() instead"; "the size is specified in physical pixels and must correspond
 to the size of bitmaps … that will be added". 3.3 made the size physical and makes calls on an
-invalid list assert (`docs/changes.txt:59-62, 91-94`) — silently in Orca's assert-free build.
+invalid list assert (`docs/changes.txt:53-56, 85-88`) — silently in Orca's assert-free build.
 When a list is unavoidable, `wxBitmapBundle::CreateImageList(win, bundles)` builds one at the
 consensus size (public but undocumented, [source] `include/wx/bmpbndl.h`).
 ```cpp
@@ -761,7 +761,7 @@ wxArtProvider::GetBitmapBundle(wxART_WARNING, wxART_OTHER, wxSize(16, 16));
 ```

 **`wxImage`** resizing (`interface/wx/image.h:28-89`): `wxIMAGE_QUALITY_NEAREST` is no longer an
-alias of `NORMAL` since 3.3.0 (`docs/changes.txt:104-105`; `wxIMAGE_QUALITY_FAST` is the speed
+alias of `NORMAL` since 3.3.0 (`docs/changes.txt:98-99`; `wxIMAGE_QUALITY_FAST` is the speed
 synonym). `NORMAL` (default) = bilinear down to an integer multiple, then box average; `HIGH` =
 box average when shrinking, bicubic when enlarging; `BILINEAR`, `BICUBIC`, `BOX_AVERAGE` explicit.
 High-quality scaling "may not work as expected when using a single mask colour for
@@ -1,6 +1,6 @@
 # Events: binding, dispatch, posting and deferred calls

-How wx 3.3.4 finds, runs, propagates, queues and drops event handlers, and how OrcaSlicer code
+How wx 3.3.2 finds, runs, propagates, queues and drops event handlers, and how OrcaSlicer code
 binds, emits and defers. Read it before writing any `Bind`/`Unbind`, `Skip()`, `ProcessEvent`,
 `wxPostEvent`/`wxQueueEvent` or `CallAfter`, before defining a custom event, and when debugging a
 handler that never runs, runs twice, runs on a dead object, or swallows a widget's own behaviour.
@@ -1,6 +1,6 @@
 # Mouse, keyboard and focus

-How input reaches wx windows in the wxWidgets 3.3.4 build Orca ships, and the Orca conventions on
+How input reaches wx windows in the wxWidgets 3.3.2 build Orca ships, and the Orca conventions on
 top: mouse capture, mouse and key events, accelerators and Orca's shortcut registry, focus,
 tooltips and cursors. Read it when a widget captures the mouse or tracks hover, when adding or
 changing a keyboard shortcut, when touching focus, tooltip or cursor code, and when debugging an
@@ -297,7 +297,7 @@ Per port [source]:
  non-enter event while the cached position is invalid is treated as the enter.
 - **GTK:** crossing events with a grab/ungrab mode are ignored; outside capture wx re-derives the
  window under the pointer on each motion (`src/gtk/window.cpp:2073-2117, 2384-2456`; fixes #24339
-  and #24931–#24933 are in this release, `docs/changes.txt:730, 740`).
+  and #24931–#24933 are in this release, `docs/changes.txt:537, 547`).
 - **macOS:** each view's `NSTrackingArea` uses `NSTrackingInVisibleRect`
  (`src/osx/cocoa/window.mm:3924`) and covers its children, so do not rely on the parent getting
  LEAVE when the pointer moves onto a child. `NSMouseMoved` is delivered only to the deepest view
@@ -334,7 +334,7 @@ A composite's hover state must therefore track its children. Orca's `StateHandle
  `CS_DBLCLKS`, `src/msw/app.cpp:584`). GTK drops the surplus press before `GDK_2BUTTON_PRESS`
  (`src/gtk/window.cpp:1798-1817`), and GTK2 also suppresses triple clicks (`:1818-1829`). On wxOSX the
  third press of a triple click is a DOWN again, as on MSW (`src/osx/cocoa/window.mm:4105-4140`;
-  #25886, `docs/changes.txt:509`). `GetClickCount()` is "implemented only in wxMac and returns -1
+  #25886, `docs/changes.txt:316`). `GetClickCount()` is "implemented only in wxMac and returns -1
  for the other platforms" (`interface/wx/event.h:2965-2974`).
 - **Context menu:** "under MSW the context menu event is generated after EVT_RIGHT_UP … but under
  GTK … after EVT_RIGHT_DOWN", so a window handling `wxEVT_CONTEXT_MENU` must not handle (or must
@@ -398,7 +398,7 @@ A diagonal trackpad scroll on macOS sends two events, vertical first, then one w
 | `ClientToScreen()`, `ScreenToClient()`, `GetScreenRect()` | — | add the top-level window's `gdk_window_get_origin()` (`src/gtk/window.cpp:4630-4698`). Without a global origin the result is only meaningful relative to the same top-level window: fine for deltas and hit tests inside one window, wrong across windows or for absolute placement |
 | `wxFindWindowAtPoint(pt)` | deepest window at a screen point; disabled children count, hidden ones are skipped (`interface/wx/utils.h:385-394`) | built on screen rectangles, so unreliable. On GTK it is `wxGenericFindWindowAtPoint`, a walk over every top-level window and child (`src/gtk/utilsgtk.cpp:98-101`, `src/common/utilscmn.cpp:1294-1345`) |
 | `wxGetKeyState(key)` | "In wxGTK, this function can be only used with modifier keys … when not using X11 backend" (`interface/wx/utils.h:352-358`) | Ctrl/Alt/Shift and Caps/Num/Scroll Lock only; any other key returns false (`src/unix/utilsx11.cpp:2596-2662`) |
-| `WarpPointer()` | Apple's HIG forbids it; on Wayland it works only with a compositor implementing the pointer-warp protocol, and mutter also needs a pressed button (`interface/wx/window.h:3895-3914`; `docs/changes.txt:487`) | — |
+| `WarpPointer()` | Apple's HIG forbids it; on Wayland it works only with a compositor implementing the pointer-warp protocol, and mutter also needs a pressed button (`interface/wx/window.h:3895-3914`; `docs/changes.txt:294`) | — |
 | `wxUIActionSimulator` | "doesn't work when using Wayland" (`interface/wx/uiaction.h:20`) | — |
 | `PopupMenu(x, y)` | — | GTK ≥ 3.22 positions it relative to the window (`gtk_menu_popup_at_rect`, `src/gtk/window.cpp:6520-6565`), so it is safe |

@@ -540,7 +540,7 @@ The full Esc/close path is in `references/windows-dialogs.md`.
  layout"; specials are their `WXK_*` (`:1371-1394`). A Cyrillic `ц` gives `'W'`, so Ctrl+letter
  shortcuts work across layouts, but an AZERTY key reports its own label (`$` where US has `]`), so
  `Ctrl-;`-style punctuation accelerators may be untypeable on some layouts (`:1396-1407`). wxGTK
-  got the non-Latin mapping in 3.3.0 (#23379, `docs/changes.txt:733`).
+  got the non-Latin mapping in 3.3.0 (#23379, `docs/changes.txt:540`).
 - `wxEVT_CHAR` reflects Shift and the layout. Ctrl+letter gives 1..26 (`WXK_CONTROL_A` …,
  `:1409-1421`). Exception: on macOS Cmd+letter's CHAR is the letter itself (`'a'`/`'A'`); only the
  physical Control key yields 1..26 (`src/osx/cocoa/window.mm:304-307`).
@@ -629,14 +629,8 @@ Space/Return holds the mouse capture until its KEY_UP reaches the button. On MSW

 ### Contract

- "An accelerator takes precedence over normal processing" (`interface/wx/accel.h:178`). Since 3.3.4 this
-  holds on every port (wxGTK used to let the focused window handle the key first), unless the focused
-  window claims the key. The accelerator walk still runs after `wxEVT_CHAR_HOOK` (table above). The new
-  `wxEVT_ACCELERATOR_KEY` event (`interface/wx/event.h:1740-1801`, `@since 3.3.4`) is sent to the focus
-  window — and propagated to its parents — before an accelerator is used; it is sent after
-  `wxEVT_CHAR_HOOK` on most ports and before it on macOS. Its handler can call `UseAccelerator()`, and a
-  window that must keep the key overrides `wxWindow::ClaimsKeyBeforeAccelerator()`
-  (`interface/wx/window.h:4554-4583`).
+- "An accelerator takes precedence over normal processing" (`interface/wx/accel.h:178`), but it
+  runs after `wxEVT_CHAR_HOOK` on every port (table above).
 - [source] On GTK and macOS a hit is sent as `wxEVT_MENU` with the entry's id and, if unprocessed,
  retried as `wxEVT_BUTTON`; macOS treats the key as consumed either way
  (`src/gtk/window.cpp:1340-1366`, `src/osx/window_osx.cpp:2563-2590`). On MSW the `WM_COMMAND` goes to
@@ -660,16 +654,11 @@ Space/Return holds the mouse capture until its KEY_UP reaches the button. On MSW
  them in `wxMenuBar::RebuildAccelTable` (`src/msw/menu.cpp:1264-1292`); GTK adds the menu's accel
  group to the top-level window in `AttachToFrame` (`src/gtk/menu.cpp:239-247`). A menu shown with
  `PopupMenu` treats `"\tCtrl+X"` as display text.
- **Text-entry controls claim their editing keys on every port since 3.3.4.** A `wxTextCtrl`, a
-  non-read-only `wxComboBox` or a `wxSpinCtrl` overrides `ClaimsKeyBeforeAccelerator()` to return
-  `wxTextEntryBase::IsUsedForEditing()` (`src/common/textcmn.cpp:136-140`;
-  `src/common/spinctrlcmn.cpp:160-167`; `src/msw/combobox.cpp:389-395`, `src/gtk/combobox.cpp:205-211`):
-  Alt+Backspace; any printable key with no modifier or Shift (except Delete, so Esc/Enter/Tab stay
-  usable); Backspace/Delete/Home/End with no modifier or Shift; Ctrl+A/C/V/X; and Insert/Delete/Home/
-  End/Left/Right with Ctrl or Shift. A matching menu accelerator does not fire while such a control has
-  focus. The set lives in `IsUsedForEditing` (`src/common/textentrycmn.cpp:441-509`).
- **GTK:** the accelerator walk now consults `ClaimsKeyBeforeAccelerator()` too
-  (`src/gtk/window.cpp:1524-1539`), so the text-control exemption above applies here since 3.3.4. As menu
+- **MSW:** accelerators are not translated while a `wxTextCtrl`/`wxComboBox`/`wxSpinCtrl` has focus and
+  the key is a text-editing key: Ctrl+A/C/V/X/Ins/Del/Home/End/Left/Right, Shift+those navigation
+  keys, bare Del/Home/End, Alt+Backspace (`src/msw/textentry.cpp:1073-1150`). Multi-line controls also
+  keep Enter (`src/msw/textctrl.cpp:2110-2135`).
+- **GTK:** the accelerator walk has no such exemption (`src/gtk/window.cpp:1340-1366`). As menu
  accelerators, Shift with non-alphabetic keys does not work, bare arrow keys do not work, and the
  listed keys (Tab, the modifiers, locks …) are unsupported (`interface/wx/menuitem.h:562-575`).
 - **macOS:** menu-bar items become `NSMenuItem` key equivalents
@@ -69,12 +69,9 @@ Contents: [The stack](#the-stack-orcas-gui-is-built-on) ·

 ## The stack Orca's GUI is built on

- **wxWidgets 3.3.4, upstream.** `deps/wxWidgets/wxWidgets.cmake` fetches
-  `https://github.com/wxWidgets/wxWidgets` at tag `v3.3.4` and builds it static
-  (`-DwxBUILD_SHARED=OFF`); Flatpak builds build it shared. Two in-tree platform patches apply on
-  Apple and Windows only (`0001-macos-use-srgb-colour-components.patch`,
-  `0002-clang-cl-sibling-compiler-prefix.patch`) — `references/platforms.md`. Linux builds against
-  **GTK3** by default
+- **wxWidgets 3.3.2, SoftFever fork.** `deps/wxWidgets/wxWidgets.cmake` fetches
+  `https://github.com/SoftFever/Orca-deps-wxWidgets` at tag `v3.3.2` and builds it static
+  (`-DwxBUILD_SHARED=OFF`); Flatpak builds build it shared. Linux builds against **GTK3** by default
  (`option(DEP_WX_GTK3 "Build wxWidgets against GTK3" ON)` in `deps/CMakeLists.txt`, `SLIC3R_GTK`
  default `"3"`, Flatpak uses gtk3). GTK2 exists only as an opt-out (`-DDEP_WX_GTK3=OFF`) and loses
  EGL, WebKit2 and DIP pixels. Code guarded for GTK should still compile on GTK2, but GTK3 under X11
@@ -88,12 +85,11 @@ Contents: [The stack](#the-stack-orcas-gui-is-built-on) ·
 - **Orca's own widget library.** New UI code largely does not use raw wx controls: the owner-drawn
  widgets in `src/slic3r/GUI/Widgets/` (`Button`, `CheckBox`, `ComboBox`, `TextInput`, `SpinInput`,
  `SwitchButton`, `RadioGroup`, `Label`, `DialogButtons`, …) replace them. Reasons: native controls
-  cannot follow Orca's look or its app-level dark-mode toggle; on Windows wx's native dark mode reaches
-  the `TaskDialog()`-based boxes (`wxMessageBox`, `wxMessageDialog`, `wxRichMessageDialog`,
-  `wxProgressDialog`) since 3.3.3 and the wrapped common dialogs (`wxColourDialog`, `wxFontDialog`, …)
-  since 3.3.4, but the date/time/calendar controls, `wxPrintDialog` on Windows 10 and MDI applications
-  stay light (`interface/wx/app.h:1442-1448`), so Orca shows the `MsgDialog` family and its own generic
-  `Widgets/ProgressDialog` for a consistent look; and on GTK the theme's borders bleed through wrapped native
+  cannot follow Orca's look or its app-level dark-mode toggle; on Windows wx's native dark mode does
+  not reach anything built on `TaskDialog()` (`wxMessageBox`, `wxMessageDialog`, `wxRichMessageDialog`,
+  `wxProgressDialog`) nor the wrapped common dialogs (`wxColourDialog`, `wxFontDialog`, …)
+  (`interface/wx/app.h:1434-1443`), so Orca shows the `MsgDialog` family and its own generic
+  `Widgets/ProgressDialog` instead; and on GTK the theme's borders bleed through wrapped native
  controls (the widgets call `RemoveButtonBorder` / `RemoveInputBorder` under `__WXGTK__`).
  Plain containers stay raw (`wxPanel`, `wxBoxSizer`, `wxScrolledWindow`).
 - **Namespaces.** Most widgets are in the global namespace; a few (`DialogButtons`, `HyperLink`,
@@ -67,10 +67,9 @@ Contents: [Rules](#rules) · [Why the library exists](#why-the-library-exists)
 Native controls cannot carry Orca's flat, rounded, palette-coloured look, and they cannot follow all of Orca's
 theming:
 - On Windows the theme is an app-level setting (Preferences "Enable dark Mode", Windows-only) layered on
-  `MSWEnableDarkMode`; wx's MSW dark mode now reaches the `TaskDialog()`-based dialogs (`wxMessageBox`,
-  `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`) since 3.3.3 and the common dialogs since 3.3.4,
-  but the date/time pickers, `wxPrintDialog` on Windows 10 and MDI applications stay light
-  (`interface/wx/app.h:1442-1448`). Hence the `MsgDialog` family (`references/windows-dialogs.md`) and Orca's own
+  `MSWEnableDarkMode`, and wx's MSW dark mode does not reach `TaskDialog()`-based dialogs (`wxMessageBox`,
+  `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`), the common dialogs or the date/time pickers
+  (`interface/wx/app.h:1436-1445`). Hence the `MsgDialog` family (`references/windows-dialogs.md`) and Orca's own
  `ProgressDialog`.
 - On macOS and Linux Orca follows the system appearance; native controls are themed by the toolkit, but any
  light palette colour set on them still needs the `UpdateDarkUI` pass (`references/colours-dark-mode.md`).
@@ -6,7 +6,7 @@ to write a custom control on the wx side and how to author an Orca widget on the
 `StaticBox`/`StateHandler` foundation. Read it before writing or reviewing any `wxEVT_PAINT`
 handler, `render`/`doRender` method, `messureSize`, or a new class under `src/slic3r/GUI/Widgets/`.

-wx cites are relative to the pinned wx 3.3.4 tree (located as in `SKILL.md` §Ground truth).
+wx cites are relative to the pinned wx 3.3.2 tree (located as in `SKILL.md` §Ground truth).
 Orca builds wx with `wxBUILD_DEBUG_LEVEL=0` and `libslic3r_gui` with `wxDEBUG_LEVEL=0`: every
 wx assert below is compiled out and `wxCHECK*` returns silently, so paint misuse shows up only as
 wrong, missing or stale pixels, never as an assert dialog.
@@ -116,7 +116,7 @@ Bind(wxEVT_PAINT, [this](wxPaintEvent&) {

 | Situation | MSW | macOS | GTK3 (X11 and Wayland) | GTK2 (opt-out build) |
 |---|---|---|---|---|
-| Handler creates no `wxPaintDC` | `wxWindowMSW::HandlePaint` sees no DC and lets `DefWindowProc` validate the region: no `WM_PAINT` storm in 3.3.4, but drawing is unclipped and the contract is broken (`src/msw/window.cpp` `HandlePaint`) | no error; the window shows only what the background step left (undetermined under `wxBG_STYLE_PAINT`) | same | same |
+| Handler creates no `wxPaintDC` | `wxWindowMSW::HandlePaint` sees no DC and lets `DefWindowProc` validate the region: no `WM_PAINT` storm in 3.3.2, but drawing is unclipped and the contract is broken (`src/msw/window.cpp` `HandlePaint`) | no error; the window shows only what the background step left (undetermined under `wxBG_STYLE_PAINT`) | same | same |
 | Handler creates a DC, then `Skip()`s | default `OnPaint` (native painting) runs as well | — | — | — |
 | `wxPaintDC` outside a paint event | `wxCHECK_RET(!paintStack.empty(), "wxPaintDC can't be created outside wxEVT_PAINT handler")` (also for a window other than the one being repainted): the DC gets no HDC and every draw call is a silent no-op (`src/msw/dcclient.cpp` `wxPaintDCImpl::wxPaintDCImpl`) | no visible effect | `wxCHECK_RET(cr, "using wxPaintDC without being in a native paint event")`, every draw call is a silent no-op (`src/gtk/dc.cpp:518`) | works (GDK) |
 | `wxClientDC` drawing | works on non-composited windows; the doc lists "wxMSW when using double buffering" (`WS_EX_COMPOSITED`, see below) as non-working (`interface/wx/dcclient.h:82-84`), yet `CanBeUsedForDrawing` returns `true` unconditionally (`include/wx/msw/dcclient.h:60`), so it cannot detect that case | never; `CanBeUsedForDrawing` is `false` (`include/wx/osx/dcclient.h:58`) | X11 works; Wayland has no effect, `CanBeUsedForDrawing` is `false` on `wxDisplayWayland` (`src/gtk/dc.cpp` `wxClientDCImpl::CanBeUsedForDrawing`) | works |
@@ -283,8 +283,8 @@ void MyCard::OnPaint(wxPaintEvent&) {
  ancestor up to the TLW (`src/msw/window.cpp` `wxWindowMSW::IsDoubleBuffered`);
  `SetDoubleBuffered(on)` toggles that style; `MSWDisableComposited()` removes it up the chain.
  `WS_EX_COMPOSITED` makes the whole subtree paint bottom-up into one buffer.
- wx 3.3.0 enabled double buffering for all MSW windows (#22851, `docs/changes.txt:750`) and 3.3.2
-  reverted it (#25808, `docs/changes.txt:501`). In 3.3.4 nothing in wx sets `WS_EX_COMPOSITED`
+- wx 3.3.0 enabled double buffering for all MSW windows (#22851, `docs/changes.txt:557`) and 3.3.2
+  reverted it (#25808, `docs/changes.txt:308`). In 3.3.2 nothing in wx sets `WS_EX_COMPOSITED`
  unless the app calls `SetDoubleBuffered(true)`: MSW windows are not double-buffered by default,
  exactly as in 3.2.
 - macOS: always double-buffered, `IsDoubleBuffered()` returns `true` (`include/wx/osx/window.h:161`);
@@ -439,7 +439,7 @@ Two variants exist:
  (`src/msw/gdiimage.cpp` `wxGDIImage::GetScaleFactor`, `src/msw/dcmemory.cpp`; details in
  `references/dpi-bitmaps-fonts.md §wxBitmap`), while `GetLogicalSize()` stays the physical size there.
 - MSW `wxBitmap::Create(size, dc)` no longer multiplies by the DC content scale; the size is
-  physical (`docs/changes.txt:100-102`).
+  physical (`docs/changes.txt:94-96`).

 **Usage — portable back buffer.**
 ```cpp
@@ -556,7 +556,7 @@ already prepared ([Buffered painting](#buffered-painting-and-double-buffering)).
  must set the appropriate fonts and colours" (`interface/wx/dc.h:775-780`). `GetFont()` returns `wxNullFont` until
  `SetFont()` is called (`interface/wx/dc.h:715-720`).
 - wx 3.3 moved the non-drawing members to `wxReadOnlyDC` and several overridable measuring virtuals
-  now take it (`docs/changes.txt:260-263`); see `references/wx-33-changes.md`.
+  now take it (`docs/changes.txt:228-231`); see `references/wx-33-changes.md`.

 **OrcaSlicer.** Orca widgets measure in `messureSize()`. A `messureSize()` that builds a
 `wxClientDC dc(this)` (`Button::messureSize`, `TextInput::messureSize`) measures correctly on every
@@ -1,7 +1,7 @@
 # Platforms, the wx build, and platform-specific code

 Read this when code has to differ per platform, when a bug shows up on only one OS, toolkit or display
-server, or when you need to know how Orca's wxWidgets is built. It covers the wx source pin and its build
+server, or when you need to know how Orca's wxWidgets is built. It covers the wx fork and its build
 options, platform macros, per-platform summaries that point into the topic files, and where
 platform-specific code lives. It also owns runtime X11/Wayland detection, the Wayland gap list, custom
 title bars and window decoration, GTK native-chrome removal, and the cross-platform test checklist.
@@ -58,46 +58,37 @@ Contents: [Rules](#rules) · [The wx build Orca uses](#the-wx-build-orca-uses)

 ## The wx build Orca uses

-### Source, pin and local patches
+### Source, pin and local patch

- `deps/wxWidgets/wxWidgets.cmake` builds upstream `https://github.com/wxWidgets/wxWidgets` at tag
-  **`v3.3.4`** (`GIT_SHALLOW ON`, submodules `3rdparty/catch`, `3rdparty/pcre` and `3rdparty/libwebp`
-  only). Two in-tree patches under `deps/wxWidgets/` are applied, one per platform, so neither applies
-  on Linux: `0001-macos-use-srgb-colour-components.patch` on Apple and
-  `0002-clang-cl-sibling-compiler-prefix.patch` on Windows. The clang-cl patch is the old fork's
-  clang-cl fix ported back to a local patch: it changes the MSVC lib-dir selection in the installed
-  `wxWidgetsConfig.cmake` so it looks for `<prefix>_<arch>_lib` (or `_dll`) under the consuming
-  compiler's prefix first and then the sibling one (`clang` ↔ `vc`), because cl and clang-cl share an
-  ABI and either can consume either build (`build/cmake/wxWidgetsConfig.cmake.in:53-73`). Because the
-  pin is upstream, every other build fix must live as a local patch under `deps/wxWidgets/`.
- **The Apple patch** is `deps/wxWidgets/0001-macos-use-srgb-colour-components.patch`, applied
+- `deps/wxWidgets/wxWidgets.cmake` builds `https://github.com/SoftFever/Orca-deps-wxWidgets` at tag
+  **`v3.3.2`** (`GIT_SHALLOW ON`, submodules `3rdparty/catch`, `3rdparty/pcre` and `3rdparty/libwebp`
+  only). The fork carries Orca's build fixes, the clang-cl fix among them; do not duplicate
+  a fork fix as a local patch under `deps/wxWidgets/` (cc390f11ee removed the local
+  `0001-Clang-CL-fix.patch` once the fork carried the fix). The fork's clang-cl fix is the MSVC lib-dir
+  selection in the installed `wxWidgetsConfig.cmake`: it looks for `<prefix>_<arch>_lib` (or `_dll`)
+  under the consuming compiler's prefix first and then the sibling one (`clang` ↔ `vc`), because cl
+  and clang-cl share an ABI and either can consume either build
+  (`build/cmake/wxWidgetsConfig.cmake.in:53-73`).
+- **The one local patch** is `deps/wxWidgets/0001-macos-use-srgb-colour-components.patch`, applied
  only `if (APPLE)`. The `PATCH_COMMAND` first runs `git checkout -f -- src/osx/cocoa/colour.mm` and
  then `git apply`, so the step can run again safely (a7775296b0). The patch makes the wxOSX
  `wxColour` component getters (`wxNSColorRefData::Red/Green/Blue/Alpha` and `IsSolid`) convert the
  `NSColor` with `[NSColorSpace sRGBColorSpace]` instead of `NSCalibratedRGBColorSpace`, so colours
  read back on macOS match their sRGB values (custom-colour accuracy). Colour usage:
  `references/colours-dark-mode.md`.
- **The Windows patch** is `deps/wxWidgets/0002-clang-cl-sibling-compiler-prefix.patch`, applied only
-  `if (WIN32)`. Its `PATCH_COMMAND` first runs
-  `git checkout -f -- build/cmake/wxWidgetsConfig.cmake.in` and then `git apply`, so the step can run
-  again safely. It rewrites the `WIN32_MSVC_NAMING` branch of `build/cmake/wxWidgetsConfig.cmake.in`
-  to try the consuming compiler's prefix first and then the sibling one (`clang` ↔ `vc`) when locating
-  the installed `<prefix>_<arch>_lib`/`_dll` directory.
 - The checked-out source is the tree that every wx citation in this skill refers to:
  `deps/build/<arch>/dep_wxWidgets-prefix/src/dep_wxWidgets` on macOS and
  `deps/<tree>/dep_wxWidgets-prefix/src/dep_wxWidgets` on Linux and Windows (`deps/build` for a
  release build; `build_win.bat` names the others). Locate it with the bash or PowerShell lookup in
  `SKILL.md` §Ground truth. On macOS its
-  `src/osx/cocoa/colour.mm` already has the Apple patch applied; on Windows its
-  `build/cmake/wxWidgetsConfig.cmake.in` already has the clang-cl patch applied.
+  `src/osx/cocoa/colour.mm` already has the patch applied.
 - **Flatpak builds wx separately.** `deps/CMakeLists.txt` leaves `dep_wxWidgets` out of the deps
  target when `FLATPAK` is set. Instead, `scripts/flatpak/com.orcaslicer.OrcaSlicer.yml` has its own
  `wxWidgets` module whose config-opts "mirror deps/wxWidgets/wxWidgets.cmake with FLATPAK=ON,
  DEP_WX_GTK3=ON": `-DwxBUILD_TOOLKIT=gtk3`, a shared build (`wxBUILD_SHARED=ON`,
  `BUILD_SHARED_LIBS=ON`, `d` debug postfix), and `wxUSE_LIBWEBP=sys`, because the builtin webp
-  libraries are installed only by static builds. It links with lld and pins upstream `v3.3.4` at
-  commit `6a42a4b999b127cf28a8b5fe686da6b8ca93a9b8`. Option and version changes must be made in both
-  files; it applies neither patch (GTK3, no MSVC).
+  libraries are installed only by static builds. It links with lld and pins the fork's tag
+  `orca-3.3.2` at a fixed commit. Option and version changes must be made in both files.

 ### Toolkit per platform

@@ -197,7 +188,7 @@ Its `wx/gtk/private*` includes are commented out. The per-port headers outside t
 `wx/msw/private.h` (`BitmapComboBox.cpp`, `PresetComboBoxes.cpp`, Windows-guarded) and
 `wx/osx/private.h` (`Utils/MacDarkMode.mm`), come with the regular wx install. Private headers are
 port-specific and unversioned. Include one only under the same macro wx uses for that port or
-feature, and re-check it whenever the wx pin is bumped.
+feature, and re-check it whenever the fork is bumped.

 ### wxInspector

@@ -277,8 +268,8 @@ Each bullet names the mechanism and the file that owns it.
  popups with it are dismissed on deactivation, deferred through `CallAfter`. No key dismisses a
  popup, and `ProcessLeftDown` is never called. `PopupWindow::BindUnfocusEvent` is MSW-only →
  `references/popups-menus.md` §5.
- **Painting:** in 3.3.4 windows are not double-buffered by default (the 3.3.0 global
-  `WS_EX_COMPOSITED` was reverted, `docs/changes.txt:501`). Custom widgets buffer by hand →
+- **Painting:** in 3.3.2 windows are not double-buffered by default (the 3.3.0 global
+  `WS_EX_COMPOSITED` was reverted, `docs/changes.txt:308`). Custom widgets buffer by hand →
  `references/painting-custom-widgets.md`.
 - **Building large panels:** every control is a native child window, and outside a sizer pass a move
  or resize is immediate, repainting when the window is shown [source: `src/msw/window.cpp:2036`
@@ -293,9 +284,8 @@ Each bullet names the mechanism and the file that owns it.
 - **Mouse capture:** `wxEVT_MOUSE_CAPTURE_LOST` and `wxEVT_MOUSE_CAPTURE_CHANGED` are delivered →
  `references/mouse-keyboard-focus.md`.
 - **Controls:** `wxDataViewCtrl` is the generic implementation (`references/controls-dataview.md`).
-  TaskDialog-based dialogs (since 3.3.3) and common dialogs (since 3.3.4) follow wx dark mode; the
-  date/time/calendar controls, `wxPrintDialog` on Windows 10 and MDI applications stay light
-  (`interface/wx/app.h:1442-1448`); Orca's `MsgDialog` family is owner-drawn →
+  TaskDialog-based dialogs and common dialogs stay light in wx dark mode
+  (`interface/wx/app.h:1434-1448`); Orca's `MsgDialog` family is owner-drawn →
  `references/windows-dialogs.md`.
 - **WebView:** Edge (WebView2). It needs the runtime (checked by `GUI_App::init_webview_runtime`),
  creates asynchronously, serves custom schemes as `https://<scheme>.wxsite`, and allows one script
@@ -626,16 +616,16 @@ headers. Rows marked [source] or "protocol" come from the implementation or from
 | Area | What happens on Wayland | Cite | Orca handling / owner |
 |---|---|---|---|
 | Global pointer position | `wxGetMousePosition()` / `wxGetMouseState()` call `gdk_device_get_position` [source], but Wayland gives clients no global pointer position, so the result is not a screen position | `src/gtk/window.cpp` `wxGetMousePosition` | use event coordinates + `ClientToScreen` (`BBLTopbar`); dismiss popups by focus tracking (`SearchDialog::Dismiss`) → `references/mouse-keyboard-focus.md` |
-| Top-level position | the compositor places windows, and `SetPosition()` / `Move()` on a TLW have no effect (protocol). 3.3.4 added geometry restore through the Wayland XDG session-management protocol (`SaveGeometry`/`RestoreToGeometry` with the new `SaveString`/`RestoreString` fields) | `interface/wx/toplevel.h:439-455, 474-490` | `GUI_App::window_pos_restore` restores only size and maximised state; moves go through `gtk_window_begin_move_drag` |
+| Top-level position | the compositor places windows, and `SetPosition()` / `Move()` on a TLW have no effect (protocol) | — | `GUI_App::window_pos_restore` restores only size and maximised state; moves go through `gtk_window_begin_move_drag` |
 | Window icon | `SetIcon()` / `SetIcons()` "doesn't do anything when using Wayland … create a `.desktop` file" | `interface/wx/toplevel.h:517-521, 538-542` | `src/dev-utils/platform/unix/com.orcaslicer.OrcaSlicer.desktop` (`Icon=OrcaSlicer`, `StartupWMClass=orca-slicer`) |
 | App id | `wxAppConsole::SetClassName()` is the xdg `app_id` with GTK ≥ 3.24.22 (and the AUMID on Windows); it must be set before any TLW. wx applies it when a TLW is mapped, and only if it is non-empty [source: `wxTopLevelWindowGTK::GTKHandleMapped`] | `interface/wx/app.h:765-812` | Orca calls only `SetAppName(SLIC3R_APP_KEY)`, so GTK's default applies. On Windows, `SetClassName` would also change shell behaviour (MRU, Shift+middle-click) |
 | `wxClientDC` | deprecated in 3.3 ("please use wxInfoDC instead for obtaining information", `interface/wx/dcclient.h:43-46`). Drawing through it "simply doesn't have any effect" on GTK3/Wayland or wxOSX. `CanBeUsedForDrawing()` [source]: false on Wayland only for wxGTK (`src/gtk/dc.cpp`), always false on wxOSX, always true on wxMSW (`include/wx/{osx,msw}/dcclient.h`), although its doc also lists "wxMSW when using double buffering" | `interface/wx/dcclient.h:48-53, 80-88` | draw only in `wxPaintDC` after `Refresh()`/`RefreshRect()` → `references/painting-custom-widgets.md` |
 | `wxWindow::Update()` | "doesn't do anything in wxGTK port when using Wayland". [source] wx skips the GDK update calls there because they broke later updates (#25036) | `interface/wx/window.h:2405-2407` | never rely on `Update()` to paint synchronously |
-| `WarpPointer()` | works only if the compositor implements the pointer-warp protocol; mutter also needs a mouse button held | `interface/wx/window.h:3902-3907`; `docs/changes.txt:487` | Orca never warps the pointer |
+| `WarpPointer()` | works only if the compositor implements the pointer-warp protocol; mutter also needs a mouse button held | `interface/wx/window.h:3902-3907`; `docs/changes.txt:294` | Orca never warps the pointer |
 | `wxUIActionSimulator` | "currently doesn't work when using Wayland with wxGTK" | `interface/wx/uiaction.h:20` | not used; Orca also builds `wxUSE_XTEST=OFF` |
 | `wxBitmap(const wxCursor&)` | creates an invalid bitmap | `interface/wx/bitmap.h:393-395` | — |
 | OpenGL | only EGL; `PreferGLX()` has no effect. Without EGL in the build, wxGTK's `wxGLCanvas` shows a fatal message and refuses to work [source: `src/gtk/glcanvas.cpp` `IsAvailable`]. The EGL surface is a subsurface over the canvas, ready only after map and a frame callback [source: `src/unix/glegl.cpp`] | `interface/wx/glcanvas.h:1094-1095` | `CLI::run` forces X11 when wx lacks EGL; overlays are drawn in GL/ImGui, never as wx children over the canvas → `references/webview-gl-aui-media.md` |
-| AUI | the doc note "live resize is always used … for wxOSX and wxGTK3 when using Wayland" is obsolete: "As of wxWidgets 3.3.0 this function always returns false", and `wxAUI_MGR_LIVE_RESIZE` is in the default flags. AUI's docking-hint logic still needs global positions; 3.3.4 added system drag sessions (`StartDragSession`) so wx can move a pane's floating frame under Wayland anyway | `interface/wx/aui/framemanager.h:336-345`; `src/aui/framemanager.cpp:4574-4599` | `Plater::priv::priv` clears `wxAUI_MGR_ALLOW_FLOATING`; `sanitize_window_layout_for_wayland` strips floating state from the saved layout → `references/webview-gl-aui-media.md` §wxAuiManager |
+| AUI | the doc note "live resize is always used … for wxOSX and wxGTK3 when using Wayland" is obsolete: "As of wxWidgets 3.3.0 this function always returns false", and `wxAUI_MGR_LIVE_RESIZE` is in the default flags. Floating panes need global positions | `interface/wx/aui/framemanager.h:336-345` | `Plater::priv::priv` clears `wxAUI_MGR_ALLOW_FLOATING`; `sanitize_window_layout_for_wayland` strips floating state from the saved layout → `references/webview-gl-aui-media.md` §wxAuiManager |
 | Popups | a GTK popup is an `xdg_popup` only for COMBO/DROPDOWN/POPUP_MENU hints, so wx creates popups with `GDK_WINDOW_TYPE_HINT_COMBO` [source]. A chained popup's parent must be the mapped popup, and mapping it with a grab deactivates the toplevel (Orca's comments in `DropDown::mouseMove`, `DropDown::ShouldDismissOnTopWindowDeactivate`) | `src/gtk/popupwin.cpp:110-114` | `DropDown` transient-for chain, `ShouldDismissOnTopWindowDeactivate` → `references/popups-menus.md` |
 | Fractional scale | arrives as an integer GDK scale | `docs/doxygen/overviews/high_dpi.md:348-351` | → `references/dpi-bitmaps-fonts.md` |
 | Window decorations | some desktop environments draw a title bar on undecorated windows anyway | — | [Undecorated windows](#wayland-undecorated-top-level-windows-splash) |
@@ -646,9 +636,7 @@ were two-finger scrolling (703, 3.1.3), the EGL-based `wxGLCanvas` for Wayland (
 support (498, both 3.1.5). New with the upgrade: "Many bug fixes for Wayland-specific problem" (397)
 and a `wxMediaCtrl` fix (402) in 3.1.6, GDK errors from `PopupMenu()` avoided (317, 3.1.7),
 `wxCURSOR_SIZING` fixed (261, 3.2.0). In 3.3, `WarpPointer()` on supported compositors
-(`docs/changes.txt:487`) and the EGL/Wayland high-DPI scale fix (`changes.txt:731`); in 3.3.4, a fix for
-the crash on pointer/seat disconnect (`changes.txt:371`), AUI pane dragging via system drag sessions
-(`:372`) and window-geometry restore via XDG session management (`:373`).
+(`docs/changes.txt:294`) and the EGL/Wayland high-DPI scale fix (`changes.txt:538`).

 ## Window decoration and custom title bars

@@ -670,7 +658,7 @@ There is no `wxCAPTION` on any platform; each port then needs its own handling.
 **Contract** [source + documented]. Since wx **3.3.0**, `wxTopLevelWindowMSW::MSWGetStyle` adds
 `WS_CAPTION` whenever any of `wxCAPTION | wxMINIMIZE_BOX | wxMAXIMIZE_BOX | wxCLOSE_BOX` is set
 (`src/msw/toplevel.cpp:133-135`). The 3.3.0 wxMSW change list says "Turn wxCAPTION on automatically if
-required by other styles (#23575)" (`docs/changes.txt:774`). Commit eefdabcd98 attributes this to
+required by other styles (#23575)" (`docs/changes.txt:581`). Commit eefdabcd98 attributes this to
 3.3.2, but it is a 3.3.0 change. `SetWindowStyleFlag()` recomputes the native style through
 `MSWGetStyle` and turns the bits back on (`src/msw/window.cpp` `wxWindowMSW::MSWUpdateStyle`).

@@ -880,11 +868,10 @@ do both). Cite: 6148ba16b3, 988b500f33.

 ## wx 3.3 migration notes

-Orca moved from **3.1.5** to **3.3.2** in 8248b06337 ("Updated wxWidgets to 3.3.2", #12941; build system
-in 2d7e26292b); the pin is now upstream **3.3.4** (`deps/wxWidgets/wxWidgets.cmake`, tag `v3.3.4`), so
-the 3.1.6–3.2.0 incompatible changes (`docs/changes_32.txt`) apply as well as `docs/changes.txt`. The
-version digest, every migration commit as a rule for new code, and the post-upgrade regressions to
-watch are owned by `references/wx-33-changes.md` (§10); the 3.3.3 and 3.3.4 changes are its §8–§9. The
+Orca moved from **3.1.5** to 3.3.2 in 8248b06337 ("Updated wxWidgets to 3.3.2", #12941; build system
+in 2d7e26292b), so the 3.1.6–3.2.0 incompatible changes (`docs/changes_32.txt`) apply as well as
+`docs/changes.txt`. The version digest, every migration commit as a rule for new code, and the
+post-upgrade regressions to watch are owned by `references/wx-33-changes.md` (§8). The
 platform-specific ones are described in this file: the `MainFrame` `WS_CAPTION` handling
 ([MSW title bar](#msw-the-mainframe-custom-title-bar)), the macOS `kAEGetURL` re-registration and the
 `SidePopup` anchoring ([ifdef landscape](#the-ifdef-landscape)), and the GTK criticals filter
@@ -1,6 +1,6 @@
 # Popups, transient windows and menus

-How wx 3.3.4 popups and menus behave on each port, and the Orca wrappers built on them: `PopupWindow`,
+How wx 3.3.2 popups and menus behave on each port, and the Orca wrappers built on them: `PopupWindow`,
 `DropDown`/`ComboBox`, `SidePopup`, the search popups, frameless dialogs used as popups, `MenuFactory`,
 `append_menu_item`, `Plater::PopupMenu` and the macOS menubar versus `BBLTopbar`. Read it before you add
 or change anything that opens over other UI and must close by itself, or any context menu or menubar item.
@@ -791,7 +791,7 @@ created with `wxBORDER_NONE | wxFRAME_NO_TASKBAR | wxFRAME_FLOAT_ON_PARENT | wxF
  `wxWindow`. "The window automatically destroys itself when the user clicks on it or it loses the focus"
  (`interface/wx/tipwin.h:13-14`). Since 3.3.2 use `static Ref New(parent, text, maxLength, rectBound)`. The
  returned `wxTipWindow::Ref` is "guaranteed to become invalid when the tip window is closed", and the raw
-  constructor is deprecated (`tipwin.h:27-132`; `docs/changes.txt:479`). `Create` positions the tip at the mouse
+  constructor is deprecated (`tipwin.h:27-132`; `docs/changes.txt:286`). `Create` positions the tip at the mouse
  and pops it up immediately (`src/generic/tipwin.cpp:171-240`); on GTK it also captures the mouse.
  `SetBoundingRect` closes the tip when the mouse leaves that rectangle (`tipwin.h:160-172`). Orca:
  `Button::OnParentMotion` (MSW-only tooltips for disabled buttons) keeps a `wxTipWindow::Ref`.
@@ -800,11 +800,11 @@ created with `wxBORDER_NONE | wxFRAME_NO_TASKBAR | wxFRAME_FLOAT_ON_PARENT | wxF
  `wxRichToolTipPopup` (`src/generic/richtooltipg.cpp`). Re-check it on every wx update.
 - **`wxInfoBar`** "calls its parent wxWindow::Layout() method and assumes that it will change the parent
  layout": add it to the parent's sizer (`interface/wx/infobar.h:38-44`). It is generic on all ports and native
-  in wxGTK. Use `ShowMessage(msg, flags)`/`Dismiss()`. 3.3 adds `ShowCheckBox` (`docs/changes.txt:653`).
+  in wxGTK. Use `ShowMessage(msg, flags)`/`Dismiss()`. 3.3 adds `ShowCheckBox` (`docs/changes.txt:460`).
 - **`wxNotificationMessage`** is "not a window", native on MSW, macOS and GTK (`interface/wx/notifmsg.h:12-18`).
  MSW recommends `MSWUseToasts()` before the first notification, macOS needs the alert notification style for
  actions, and GTK ignores the timeout for warnings and errors (`notifmsg.h:23-38`, 179-182). 3.3 reports the
-  dismissal reason (`docs/changes.txt:681`). Orca does not use it. Its in-app notifications are the GL-canvas
+  dismissal reason (`docs/changes.txt:488`). Orca does not use it. Its in-app notifications are the GL-canvas
  `NotificationManager`.

 ## 13. wxMenu and wxMenuItem
@@ -862,7 +862,7 @@ submenu (it leaks), `Destroy(id)` deletes it, and `Remove()` returns ownership (
 an item switch it to owner-drawn (`MSWMustUseOwnerDrawn`, `src/msw/menuitem.cpp:1371-1377`). "Owner drawn items
 are also incompatible with dark mode support and using them makes the entire menu containing them to use
 standard light mode colours even in dark mode." 3.3.2 reworked MSW dark-mode menu rendering
-(`docs/changes.txt:498-499`); owner-drawn items still opt out of it.
+(`docs/changes.txt:305-306`); owner-drawn items still opt out of it.

 **Labels and accelerators** (`menuitem.h:460-490`, 555-570).
 - The syntax is `"&Label\tCtrl+X"`; `&&` is a literal ampersand. `CTRL` means Cmd on macOS, and `RAWCTRL` gives
@@ -1,6 +1,6 @@
 # Sizers and layout

-How wx 3.3.4 computes window sizes and lays out children, and how OrcaSlicer builds layouts on top of
+How wx 3.3.2 computes window sizes and lays out children, and how OrcaSlicer builds layouts on top of
 that: sizers and flags, best/min size, the fitting functions (`SetSizerAndFit`, `SetSizeHints`, `Fit`,
 `Layout`, `FitInside`) per platform, show/hide relayout, Freeze/Thaw, scrolled windows, `wxStaticText`
 wrapping, layout on DPI change, and Orca's layout idioms. Read it when building or reviewing any dialog
@@ -604,7 +604,7 @@ Ordinary dialogs and the sidebar use plain `wxScrolledWindow`.
  without spaces never wraps with `wxStaticText::Wrap`.
 - `wxST_WRAP` (new in 3.3.2): "Wrap label text on multiple lines if necessary, using the available
  horizontal space. This style only works when the control is used inside a sizer"
-  (`interface/wx/stattext.h:46-49`; `docs/changes.txt:473`). It is opt-in; labels without it are
+  (`interface/wx/stattext.h:46-49`; `docs/changes.txt:280`). It is opt-in; labels without it are
  unaffected. It is implemented with `GetMinSizeFromKnownDirection` (`stattextcmn.cpp:285-312`).
  **[source]** The initial `CalcMin` still uses the unwrapped best size, so a fitted dialog grows to the
  full one-line width and nothing wraps; constrain the width another way (a fixed or min width on the
@@ -44,8 +44,7 @@ Contents: [Rules](#rules) · [Build facts](#build-facts-that-decide-string-behav
 12. One complete sentence per msgid, placeholders instead of concatenated fragments, the number
    placeholder in both plural forms, `// TRN` for ambiguous strings, a context for homonyms.
    → §Plurals and contexts
-13. A wrapper that converts a translation (`wxString::FromUTF8`, `ToUTF8()`, `format_wxstr`) returns
-    by value; `wxGetTranslation()` itself returns `const wxString&`. → §Translation
+13. A wrapper around `wxGetTranslation` returns `wxString` by value. → §Translation
 14. User-supplied text (preset, filament, file, printer names) in a mnemonic-interpreting label
    goes through `SetLabelText` or `wxControl::EscapeMnemonics`. → §Labels
 15. File dialogs: filters from `file_wildcards(FT_*)`, default dir `from_u8(app_config->get_last_dir())`,
@@ -187,11 +186,11 @@ was the splash screen's event filter, fixed in 4088a36095; see `references/threa
  **modifies the string**. Use `s[n].GetValue()` or an explicit `int`/`wchar_t` type
  (`interface/wx/string.h:171-226`).
 - Since 3.3 `wxstr = {"Hello", 2}` is ambiguous (the `string_view` constructor); write
-  `wxString{"Hello", 2}` (`docs/changes.txt:223-226`).
+  `wxString{"Hello", 2}` (`docs/changes.txt:191-194`).
 - Never pass a `wxString`, `c_str()` or `mb_str()` to a real C vararg function (`printf`); use
  `wxString::Format`/`wxPrintf` or convert explicitly (`interface/wx/string.h:262-300`).
 - `wxUSE_STL` no longer exists; wx 3.3 re-enables implicit `wxString` → `std::string` only through
-  `wxUSE_STD_STRING_CONV_IN_WXSTRING=1` (`docs/changes.txt:195-198`). Orca keeps it 0 and adds
+  `wxUSE_STD_STRING_CONV_IN_WXSTRING=1` (`docs/changes.txt:163-166`). Orca keeps it 0 and adds
  `wxNO_UNSAFE_WXSTRING_CONV`; do not enable either conversion, the compile error is the guard.

 ### Pitfalls
@@ -323,13 +322,10 @@ language's decimal separator; `wxString::ToCDouble`/`FromCDouble` do not.
 **wx contract** (`interface/wx/translation.h:577-640`): `wxGetTranslation(string, domain = "",
 context = "")` returns the original string when no catalog has it; a non-empty context needs a
 matching `msgctxt` in the catalog; the plural overload returns `string` for `n == 1` and `plural`
-otherwise when no catalog is found; "This function is thread-safe". It returns **`const wxString&`**
-(`interface/wx/translation.h:615`; `include/wx/translation.h:277-309`). 3.3.2 changed this to a
-by-value `wxString` and **3.3.3 reverted it** to the 3.2.x reference, so the reference points at the
-catalog's own string or at `wxTranslations::GetUntranslatedString()`, both of which outlive the call.
-Forwarding that reference is therefore safe; what must return by value is a wrapper that constructs a
-temporary — `wxString::FromUTF8`, `ToUTF8()`, `format_wxstr`. Orca's `I18N::translate` overloads
-return `wxString` by value and `translate_utf8`/`_u8L` return `std::string`.
+otherwise when no catalog is found; "This function is thread-safe". Since 3.3 it returns
+**`wxString` by value**, not a const reference: "please change the return type of the function to
+wxString" (`docs/changes.txt:139-142`). Orca's `I18N::translate` overloads already return by value;
+keep any new wrapper that way, a `const wxString&` return now dangles.

 **OrcaSlicer macros** (`src/slic3r/GUI/I18N.hpp`):

@@ -433,7 +429,7 @@ using this class doesn't affect the native controls and dialogs", and on macOS 1
 C locale can break the menus (`interface/wx/intl.h:282-292`): native file dialogs, the app menu and
 standard buttons follow the system language. `wxLocale::IsAvailable` builds a region tag and asks
 `wxUILocale(...).IsSupported()` (`src/common/intl.cpp` `wxLocale::IsAvailable`), which on Unix no
-longer falls back to another region of the same language (`docs/changes.txt:81-85`); keep the
+longer falls back to another region of the same language (`docs/changes.txt:75-79`); keep the
 fallbacks in `load_language`.

 - **Rule:** translate at use; never store a translated string in a namespace-scope or function-local
@@ -461,7 +457,7 @@ call `SetLabel(label)`) [source]. `SetLabelMarkup` also treats an
 unescaped `&` as a mnemonic, needs `&amp;`/`&lt;` for literal characters, strips the markup where it
 is unsupported, and leaves the label unchanged (returns false) when the string is not well-formed
 (`interface/wx/control.h:200-360`); user text inside markup must be XML-escaped.
-Since 3.3 wxListbook/wxChoicebook also interpret mnemonics in page titles (`docs/changes.txt:134-136`);
+Since 3.3 wxListbook/wxChoicebook also interpret mnemonics in page titles (`docs/changes.txt:128-130`);
 Orca uses neither, but the rule is the same for every book control.

 **OrcaSlicer.** `Label` (`Widgets/Label.cpp`) derives from `wxStaticText`; `Label::SetLabel` stores
@@ -499,7 +495,7 @@ so build it from the wide form (`into_path(w).wstring()`) or stay with boost. At
 expands `$VAR`/`%VAR%` inside file names (`interface/wx/filename.h:90-103`); use `MakeAbsolute()` or
 explicit `wxPATH_NORM_DOTS | wxPATH_NORM_ABSOLUTE`. 3.3 adds `IsMSWExtendedLengthPath()` for `\\?\`
 paths "avoiding the 260 character path length restriction" (`interface/wx/filename.h:1040-1051`,
-`docs/changes.txt:744`). `wxFileSystem::FileNameToURL`/`URLToFileName` convert to and from `file:`
+`docs/changes.txt:551`). `wxFileSystem::FileNameToURL`/`URLToFileName` convert to and from `file:`
 URLs (`interface/wx/filesys.h:96-103, 175-180`).

 **`wxStandardPaths`** (`interface/wx/stdpaths.h`): the directories "may or may not exist"
@@ -556,9 +552,9 @@ for (const wxString& p : paths)

 | | Behaviour |
 |---|---|
-| MSW | New-style `IFileDialog`: wx calls `SetDefaultExtension` with the selected filter's first extension and no longer calls `AppendExtension` itself (`src/msw/filedlg.cpp:1644-1656, 1738-1740`; `docs/changes.txt:749`). `SetExtraControlCreator` → XP-style dialog. |
+| MSW | New-style `IFileDialog`: wx calls `SetDefaultExtension` with the selected filter's first extension and no longer calls `AppendExtension` itself (`src/msw/filedlg.cpp:1644-1656, 1738-1740`; `docs/changes.txt:556`). `SetExtraControlCreator` → XP-style dialog. |
 | macOS | Open dialogs show **no filter choice** and apply all wildcards at once unless `wxSystemOptions::SetOption(wxOSX_FILEDIALOG_ALWAYS_SHOW_TYPES, 1)`, and even then non-matching files are only greyed (`interface/wx/filedlg.h:117-128`). Matching compares the lower-cased last path extension (`wxOpenSavePanelDelegate panel:shouldEnableURL:`, `src/osx/cocoa/filedlg.mm:58-88`) [source]: case-insensitive, and a multi-dot pattern such as `*.gcode.3mf` or `*.zip.amf` never matches by itself. `wxFD_OVERWRITE_PROMPT` is always on (`:172-175`); `wxFD_OPEN` always behaves as `wxFD_FILE_MUST_EXIST` (`:184-189`). The save panel replaces the initial file name's extension with the first one in the wildcard (Orca's comment on `file_wildcards`). The native panel runs `runModal` and does not re-raise the parent dialog afterwards (`src/osx/cocoa/filedlg.mm` `ShowModal`); see `references/windows-dialogs.md` for the deferred re-raise. |
-| GTK3 | `GtkFileChooserNative` (portal-capable, e.g. Flatpak) when GTK ≥ 3.20 at runtime and neither `wxFD_PREVIEW` nor an extra control/customize hook is used (`src/gtk/filedlg.cpp:265-274, 437-443`; `src/gtk/dirdlg.cpp:122-130`; `docs/changes.txt:586`). It runs through `gtk_native_dialog_run`: there is no wx window, so size/position calls do nothing (`wxFileDialog::DoSetSize` is empty). Patterns go to `gtk_file_filter_add_pattern` per token and are **case-sensitive** (`src/gtk/filectrl.cpp:169`). The chooser is transient for the parent left after `GetParentForModalDialog`, which replaces a null (or hidden, dying or `wxWS_EX_TRANSIENT`) parent with the active top-level window, else the app's main top window (`src/gtk/filedlg.cpp:206, 223-225`; `src/common/dlgcmn.cpp:180-203` `DoGetParentForDialog`) [source]. `wxFD_PREVIEW` is GTK-only (`interface/wx/filedlg.h:195-197`). |
+| GTK3 | `GtkFileChooserNative` (portal-capable, e.g. Flatpak) when GTK ≥ 3.20 at runtime and neither `wxFD_PREVIEW` nor an extra control/customize hook is used (`src/gtk/filedlg.cpp:265-274, 437-443`; `src/gtk/dirdlg.cpp:122-130`; `docs/changes.txt:393`). It runs through `gtk_native_dialog_run`: there is no wx window, so size/position calls do nothing (`wxFileDialog::DoSetSize` is empty). Patterns go to `gtk_file_filter_add_pattern` per token and are **case-sensitive** (`src/gtk/filectrl.cpp:169`). The chooser is transient for the parent left after `GetParentForModalDialog`, which replaces a null (or hidden, dying or `wxWS_EX_TRANSIENT`) parent with the active top-level window, else the app's main top window (`src/gtk/filedlg.cpp:206, 223-225`; `src/common/dlgcmn.cpp:180-203` `DoGetParentForDialog`) [source]. `wxFD_PREVIEW` is GTK-only (`interface/wx/filedlg.h:195-197`). |
 | GTK2 (opt-out build) | never uses the native chooser; patterns case-sensitive. |

 **OrcaSlicer:**
@@ -654,7 +650,7 @@ dtor, and `!lock` tests `IsOpened()`.

 | | Behaviour |
 |---|---|
-| MSW | `SetData`/`GetData` do not check `Open()` (`src/msw/clipbrd.cpp` `wxClipboard::SetData`), so code that forgets it works here only. `wxTextDataObject::SetData()` size must now include the 2-byte NUL (`docs/changes.txt:68-72`); use `SetText()` or the ctor. |
+| MSW | `SetData`/`GetData` do not check `Open()` (`src/msw/clipbrd.cpp` `wxClipboard::SetData`), so code that forgets it works here only. `wxTextDataObject::SetData()` size must now include the 2-byte NUL (`docs/changes.txt:62-66`); use `SetText()` or the ctor. |
 | macOS | without `Open()`, `SetData`/`AddData`/`GetData` return false through `wxCHECK_MSG(m_open, …)` without taking the object (`src/osx/carbon/clipbrd.cpp:84-105, 140-147`); a successful write is flushed to the pasteboard immediately (`:110-114`). |
 | GTK | same `wxCHECK_MSG(m_open, …)` early return (`src/gtk/clipbrd.cpp:643-647, 775`). `GetData`/`IsSupported` are asynchronous underneath: `wxClipboardSync` spins `YieldFor(wxEVT_CATEGORY_CLIPBOARD)` until GTK answers and forbids re-entrancy (`src/gtk/clipbrd.cpp:68-92`). PRIMARY selection exists. Under Wayland, Wayland MIME types are advertised next to the X11 atoms (`src/gtk/clipbrd.cpp:655-700`). |

@@ -797,8 +793,8 @@ from a non-main thread on wxOSX (`:39-40`); `wxCANCEL_DEFAULT` is ignored on wxO
 `wxID_OK/wxID_CANCEL/wxID_YES/wxID_NO/wxID_HELP` (`:269-275`), but **`wxMessageBox()` returns
 `wxYES/wxNO/wxCANCEL/wxOK/wxHELP`** (`:308-312`). `wxRichMessageDialog` is native only on MSW and
 generic elsewhere (`interface/wx/richmsgdlg.h:18-23`). On MSW every `TaskDialog`-based dialog
-(`wxMessageBox`, `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`) has followed dark mode
-since 3.3.3 (`interface/wx/app.h:1442-1448`).
+(`wxMessageBox`, `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`) ignores dark mode
+(`interface/wx/app.h:1436-1440`).

 **OrcaSlicer.** UI code uses the MsgDialog family (`MessageDialog`, `RichMessageDialog`,
 `WarningDialog`, `ErrorDialog`, `InfoDialog`; `references/windows-dialogs.md` §MsgDialog family) for
@@ -852,7 +848,7 @@ Orca does not use `wxConfig`/`wxFileConfig` (so the 3.3 change of the Unix defau

 **Contract** (`interface/wx/secretstore.h`): on Unix it needs libsecret and a running secret service, so
 always check `IsOk(&errmsg)` (`:193-210, 257`); libsecret is no longer required at run time
-(`docs/changes.txt:726`), so a missing library or service shows up only as `IsOk()` false.
+(`docs/changes.txt:533`), so a missing library or service shows up only as `IsOk()` false.
 `GetDefault()` "may show a dialog to the user under some platforms, so it can take an arbitrarily long
 time to return" (`:243-246`). One username per service (`:260-268`).

@@ -7,7 +7,7 @@ yields and nested event loops, progress dialogs, startup, shutdown and exception
 screen, and the access rules for `wxGetApp()` and `app_config`. Read it whenever code runs off the
 main thread, defers work, starts a timer, yields, shows progress, or runs during startup or shutdown.

-wx cites are relative to the pinned wx 3.3.4 tree (located as in `SKILL.md` §Ground truth).
+wx cites are relative to the pinned wx 3.3.2 tree (located as in `SKILL.md` §Ground truth).
 Orca builds wx with `wxBUILD_DEBUG_LEVEL=0` and `libslic3r_gui` with `wxDEBUG_LEVEL=0`, so `wxASSERT`
 is compiled out and `wxCHECK*` returns silently: a timer started off the main thread never fires on macOS,
 `Exit()` on a loop that is not the active one is ignored, `Start(0)` on macOS fails — all without
@@ -454,12 +454,12 @@ and aborts the whole app. Wrap the entire body; log and convert to a status the
  `wxMessageQueue::Post(T&&)` accepts move-only types (`interface/wx/msgqueue.h:90-97`).
 - `wxTHREAD_WAIT_DEFAULT` is now `wxTHREAD_WAIT_BLOCK`; `wxTHREAD_WAIT_YIELD` "is dangerous" and "is
  only implemented in wxMSW and simply ignored under the other platforms" (`interface/wx/thread.h:648-675`),
-  so the 3.3 default change (`docs/changes.txt:45-47`) only affects MSW code calling
+  so the 3.3 default change (`docs/changes.txt:39-41`) only affects MSW code calling
  `Wait()`/`Delete()` from the GUI thread.
 - `wxCRITICAL_SECTION(name)` declares a function-static critical section, which is initialised
  safely only if the function is first called from the main thread before other threads call it;
  otherwise make it a global (`interface/wx/thread.h:1762-1779`). Prefer `std::mutex`.
- `wxSecretStore` documents no thread-affinity notes in 3.3.4 (`interface/wx/secretstore.h`).
+- `wxSecretStore` documents no thread-affinity notes in 3.3.2 (`interface/wx/secretstore.h`).

 ## The Jobs framework

@@ -829,8 +829,8 @@ nothing) (`interface/wx/utils.h:1203-1212, 1243-1248`; see `references/strings-i

 **Platforms.** On MSW `wxProgressDialog` is native: a TaskDialog run by a
 `wxProgressDialogTaskRunner` **wxThread**, yielding `ALL & ~USER_INPUT` (TIMER and THREAD included)
-(`src/msw/progdlg.cpp` `DispatchEvents`) **[source]**; the native `TaskDialog` follows wx dark mode
-since 3.3.3 (`interface/wx/app.h:1442-1448`). On macOS and GTK it is `wxGenericProgressDialog`, which creates
+(`src/msw/progdlg.cpp` `DispatchEvents`) **[source]**; anything based on `TaskDialog()` has no dark
+mode (`interface/wx/app.h:1436-1440`). On macOS and GTK it is `wxGenericProgressDialog`, which creates
 a temporary event loop if none is active (`src/generic/progdlgg.cpp:360-366`). On MSW (native
 dialog or Orca's generic one) and macOS, `CallAfter` bodies run inside `Update()`/`Pulse()`; on GTK
 the masked yield runs no queued event, so they wait until control returns to an event loop
@@ -839,7 +839,7 @@ the masked yield runs no queued event, so they wait until control returns to an
 **OrcaSlicer.**
 - `Slic3r::GUI::ProgressDialog` (`Widgets/ProgressDialog.hpp`) is a themed fork of
  `wxGenericProgressDialog`: same `YieldFor(UI | USER_INPUT)` semantics, temporary event loop when
-  none is active, generic on every platform (so it is themed by Orca, not the native TaskDialog).
+  none is active, generic on every platform (so no TaskDialog dark-mode gap).
 - `detail::run_off_thread_with_progress` (`PluginsDialog.hpp`, wrapped by
  `PluginsDialog::run_with_dialog`/`run_with_dialog_wait`): a heap wx `wxProgressDialog` (the native
  TaskDialog on MSW, the generic dialog on macOS and GTK) pulsed by a
@@ -1,7 +1,7 @@
 # WebView, OpenGL canvas, AUI docking and media

 How wxWebView, wxGLCanvas/wxGLContext, wxAuiManager/wxAuiToolBar and the camera view behave in the
-wx 3.3.4 tree Orca builds, and the Orca wrappers built on them: `WebView`, `WebViewHostDialog` and
+wx 3.3.2 tree Orca builds, and the Orca wrappers built on them: `WebView`, `WebViewHostDialog` and
 the web dialogs/panels, `OpenGLManager`, `GLCanvas3D` and its ImGui layer, the Plater docking
 manager, `BBLTopbar`, `wxMediaCtrl3`. Read it before touching any browser view, GL canvas, docked
 pane, the top bar or the camera view, or when debugging a blank web page, a black or garbled 3D
@@ -242,7 +242,7 @@ a single message handler and the Chromium and IE backends do not support script
 | `Add…` return | `false` if *any* handler already exists, whatever its name (`src/msw/webview_edge.cpp:1635-1645`) | always `true` (`src/osx/webview_webkit.mm:620-629`); a duplicate name makes WebKit raise an NSException that cannot be caught and kills the app ([external]: Apple behaviour, recorded in the `WebView::CreateWebView` comment) | `false` on a duplicate or with no view, **but** `g_signal_connect` runs before registration, so a duplicate add leaves a second connection (`src/gtk/webview_webkit2.cpp:1638-1657`) |
 | `Remove…` | clears the single name (`1647-1652`) | removes the native handler (`632-636`) | unregisters but **does not disconnect** the signal (`1659-1664`): Remove + Add delivers every later message **twice** |
 | `window.<name>` alias | user script `window.<name> = window.chrome.webview` + `ExecuteScript` (`1030-1046`) | `AddUserScript` + **synchronous** `RunScript` (`626-628`) | `AddUserScript` + **synchronous** `RunScript` (`1650-1654`) |
-| Delivery | queued with `AddPendingEvent` (`785-813`); [documented] "Queue Edge wxWebView events" (`docs/changes.txt:718`) | `ProcessWindowEvent` **inside** the `WKScriptMessageHandler` delegate (`1324-1361`) | `HandleWindowEvent` **inside** the GTK signal (`397-409`) |
+| Delivery | queued with `AddPendingEvent` (`785-813`); [documented] "Queue Edge wxWebView events" (`docs/changes.txt:525`) | `ProcessWindowEvent` **inside** the `WKScriptMessageHandler` delegate (`1324-1361`) | `HandleWindowEvent` **inside** the GTK signal (`397-409`) |
 | Event fields | handler name and event object set | name set, **no event object** | **empty `GetMessageHandler()`, no event object** |
 | Body | `get_WebMessageAsJson`, JSON-decoded when it is a string (`798-809`) | NSString as is; dict/array → JSON; NSNumber → `stringValue` (booleans arrive as `1`/`0`); NSNull → `"null"` | object → JSON string, otherwise `ToString` (`64-94`) |

@@ -710,8 +710,8 @@ the environment variable `wx_opengl_egl=0` does the same; it exists only when `w
 returns true only when EGL is in use (false when `wxHAS_EGL` is undefined); `GetGLXVersion()` returns 0
 when GLX is not in use; both exist only when `wxHAS_GLX` is defined (`interface/wx/glcanvas.h:999-1030`).
 `wxGLCanvas::CreateSurface()` was removed "as exposing it doesn't make sense when wxGLCanvas may use
-either EGL or GLX" (`docs/changes.txt:282-284`); "Allow using GLX and EGL in same program (#26023)" is
-an upstream 3.3.2 wxGTK change (`docs/changes.txt:485`).
+either EGL or GLX" (`docs/changes.txt:250-252`); "Allow using GLX and EGL in same program (#26023)" is
+an upstream 3.3.2 wxGTK change (`docs/changes.txt:290-292`).

 **Source** [source]:
 - When both backends are built, **EGL is the default even on X11** unless `PreferGLX()` or the
@@ -727,7 +727,7 @@ an upstream 3.3.2 wxGTK change (`docs/changes.txt:485`).
  (`src/unix/glegl.cpp:801-860`).
 - The EGL-based `wxGLCanvas` for Wayland dates from 3.1.5 (`docs/changes_32.txt:497`), so it predates
  Orca's upgrade; its
-  high-DPI scale under EGL/Wayland was fixed in 3.3.0 (`docs/changes.txt:731`).
+  high-DPI scale under EGL/Wayland was fixed in 3.3.0 (`docs/changes.txt:538`).

 **OrcaSlicer.**
 - `deps/wxWidgets/wxWidgets.cmake` passes `-DwxUSE_GLCANVAS_EGL=ON` (also in the Flatpak manifest).
@@ -956,13 +956,13 @@ widgets beside the canvas (a sibling, not a child over it), or in a popup.
  `src/aui/framemanager.cpp:910-920`; `OnPaneButton`); `DestroyOnClose` panes are detached and `Destroy()`ed
  (`ClosePane`, `1431-1467`). With several handlers bound, each must `Skip()`.
 - **3.3 changes.** `wxAUI_MGR_HINT_FADE` left the default flags (`interface/wx/aui/framemanager.h:43-50`;
-  `docs/changes.txt:138`); `wxAUI_MGR_LIVE_RESIZE` joined them (`interface/wx/aui/framemanager.h:59-62`); `AlwaysUsesLiveResize()` "always
+  `docs/changes.txt:132`); `wxAUI_MGR_LIVE_RESIZE` joined them (`interface/wx/aui/framemanager.h:59-62`); `AlwaysUsesLiveResize()` "always
  returns false" as of 3.3.0 (`interface/wx/aui/framemanager.h:345`; `src/aui/framemanager.cpp:711-714`), non-live resize being
-  restored (`docs/changes.txt:683`) — the older "live resize is always used on wxOSX and GTK3/Wayland"
+  restored (`docs/changes.txt:490`) — the older "live resize is always used on wxOSX and GTK3/Wayland"
  statement (`interface/wx/aui/framemanager.h:336-340`) is obsolete. Docking hints for floating frames use
  `::wxGetMousePosition()` (`src/aui/framemanager.cpp:4139-4148`, `4242-4251`), which Wayland cannot supply.
 - `wxAuiNotebook` (not used by Orca): page indices are logical; use `GetPagePosition()` for on-screen
-  order (`docs/changes.txt:128-132`); the default tab art changed (`41-43`).
+  order (`docs/changes.txt:121-126`); the default tab art changed (`35-37`).

 **OrcaSlicer.** Orca's docks use `AuiMgr` (`AuiMgr.hpp`), a `wxAuiManager` whose `CreateFloatingFrame`
 returns a `wxAuiFloatingFrame` that applies `UpdateFrameDarkUI`. `init(window)` calls
@@ -1034,10 +1034,8 @@ Plater (Prepare and Preview); `DesignPanel::m_aui` manages the Design tab's body
  ```
 - **Rule:** Disable floating on Wayland (clear `wxAUI_MGR_ALLOW_FLOATING`, `Floatable(false)`, strip
  floating state from saved layouts).
-  **Why:** AUI's docking-hint logic needs global pointer positions and top-level window moves
-  (`wxGetMousePosition`, `wxEVT_MOVE`), which Wayland does not provide. 3.3.4 added system drag sessions
-  so wx can move a pane's floating frame there anyway (`src/aui/framemanager.cpp` `StartDragSession`),
-  but the drop/docking hints still cannot work, so Orca keeps floating disabled.
+  **Why:** AUI's floating and docking-hint logic needs global pointer positions and top-level window
+  moves (`wxGetMousePosition`, `wxEVT_MOVE`), which Wayland does not provide.

 ## wxAuiToolBar and BBLTopbar

@@ -6,7 +6,7 @@ port; what Orca's `DPIDialog`/`DPIFrame` add; the Orca dialog recipe; and the `M
 Read it before writing or reviewing any dialog, frame, close handler, `Destroy()`/`delete`, or code
 that keeps a pointer to a window across an event, a `CallAfter` or a modal loop.

-wx cites are relative to the pinned wx 3.3.4 tree (located as in `SKILL.md` §Ground truth). wx is
+wx cites are relative to the pinned wx 3.3.2 tree (located as in `SKILL.md` §Ground truth). wx is
 built with `wxBUILD_DEBUG_LEVEL=0` and `libslic3r_gui` with `wxDEBUG_LEVEL=0`: every wx assert
 quoted below is compiled out, so misuse fails silently (dropped call, stuck loop, freed memory), never with an assert dialog. "GTK" below
 means wxGTK as Orca builds it on Linux: GTK3 by default (X11 or Wayland); GTK2 is only an opt-out.
@@ -424,7 +424,7 @@ mapped (`src/gtk/toplevel.cpp:1141-1243`).

 **Raise.** "only requests the window manager to raise this window… If the window is currently hidden,
 this function does *not* show it", top-level windows only (`interface/wx/window.h:3013-3033`); true on all ports
-since 3.3 (`docs/changes.txt:145-147`). **[source]** MSW = `::SetForegroundWindow`, subject to the
+since 3.3 (`docs/changes.txt:144-146`). **[source]** MSW = `::SetForegroundWindow`, subject to the
 foreground lock — Windows may only flash the taskbar button (`src/msw/toplevel.cpp:650-655`); GTK =
 `gtk_window_present` only if shown (`src/gtk/toplevel.cpp:1301-1310`; during a deferred X11 first show it
 already counts as shown); macOS = `makeKeyAndOrderFront` only if shown (`src/osx/nonownedwnd_osx.cpp:289-295`, `src/osx/cocoa/nonownedwnd.mm:897-899`),
@@ -910,9 +910,8 @@ buttons are chosen — in numeric id order, so `{"Save", "OK"}` makes Save prima
 **Rule.** Never `wxMessageBox`/`wxMessageDialog`/`wxRichMessageDialog` once the GUI exists; use the themed
 replacements in `src/slic3r/GUI/MsgDialog.hpp` (`Slic3r::GUI`), rooted in `MsgDialog : DPIDialog` (logo on the
 left, content on the right, `Button` row underneath, dark-mode and DPI aware). Why: on MSW the TaskDialog-based
-native boxes (`wxMessageBox`, `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`) now follow dark mode
-since 3.3.3, so only the date/time/calendar controls, `wxPrintDialog` on Windows 10 and MDI applications stay
-light (`interface/wx/app.h:1442-1448`); native boxes cannot match Orca's look. `wxMessageBox` remains only for
+native boxes (`wxMessageBox`, `wxMessageDialog`, `wxRichMessageDialog`, `wxProgressDialog`) ignore dark mode
+(`interface/wx/app.h:1436-1446`), and native boxes cannot match Orca's look. `wxMessageBox` remains only for
 failures before the GUI exists (e.g. `GUI_App::load_language`). Native message-box style limits:
 `references/strings-i18n-files.md`. Return-value trap when reading old code: `wxMessageBox()` returns
 `wxYES/wxNO/wxCANCEL/wxOK/wxHELP`, while `ShowModal()` returns `wxID_YES/…` (`interface/wx/msgdlg.h:269-276` vs `309-311`).
@@ -1,19 +1,17 @@
-# wx 3.1.5 → 3.3.4: changes Orca code can trip on
+# wx 3.1.5 → 3.3.2: changes Orca code can trip on

-OrcaSlicer moved from wxWidgets **3.1.5** to **3.3.2** (8248b06337, #12941) and the pin is now upstream
-**3.3.4** (`deps/wxWidgets/wxWidgets.cmake`, tag `v3.3.4`). This file digests the
+OrcaSlicer moved from wxWidgets **3.1.5** to **3.3.2** (8248b06337, #12941). This file digests the
 changes between those versions that matter to GUI code — the 3.1.6–3.2.0 incompatible changes, the
-3.3 incompatible changes, and the notable 3.3.0/3.3.1/3.3.2/3.3.3/3.3.4 changes — each with what it
-means for Orca, plus the migration already done in Orca as rules for new code. Read it when code
-written from older wx knowledge behaves oddly, when a wx doc says "since 3.3", or when reviewing code
-near the workarounds in §10. Where this file and prior wx knowledge disagree, this file wins.
+3.3 incompatible changes, and the notable 3.3.0/3.3.1/3.3.2 changes — each with what it means for
+Orca, plus the migration already done in Orca as rules for new code. Read it when code written
+from older wx knowledge behaves oddly, when a wx doc says "since 3.3", or when reviewing code near
+the workarounds in §8. Where this file and prior wx knowledge disagree, this file wins.

 Contents: [Rules](#rules) · [1 Reading the change logs](#1-reading-the-change-logs) ·
 [2 3.1.6 → 3.2.0](#2-changes-from-316-to-320) · [3 3.3 behaviour changes](#3-33-behaviour-changes-that-compile) ·
 [4 3.3 build changes](#4-33-changes-that-break-the-build) · [5 3.3.0](#5-330-notable-changes) ·
 [6 3.3.1](#6-331-notable-fixes) · [7 3.3.2](#7-332-notable-changes) ·
-[8 3.3.3](#8-333-notable-changes) · [9 3.3.4](#9-334-notable-changes) ·
-[10 Migration done in Orca](#10-migration-already-done-in-orca)
+[8 Migration done in Orca](#8-migration-already-done-in-orca)

 All `docs/`, `interface/`, `include/`, `src/`, `build/` cites are relative to the pinned wx tree
 (located as in `SKILL.md` §Ground truth), except paths
@@ -23,8 +21,8 @@ explicitly called Orca's (`deps/…`, Orca's `src/CMakeLists.txt`) and bare Orca

 1. Read every "now asserts" in the change logs as "now silently returns or does nothing" in Orca:
   wx asserts are compiled out. Validate arguments yourself. → [§1](#1-reading-the-change-logs)
-2. Target 3.3.4 only. Do not add `wxCHECK_VERSION` / `wxVERSION_NUMBER` /
-   `wxVERSION_EQUAL_OR_GREATER_THAN` branches for older wx. → [§10](#10-migration-already-done-in-orca)
+2. Target 3.3.2 only. Do not add `wxCHECK_VERSION` / `wxVERSION_NUMBER` /
+   `wxVERSION_EQUAL_OR_GREATER_THAN` branches for older wx. → [§8](#8-migration-already-done-in-orca)
 3. Mark every override of a wx virtual `override`. 3.2/3.3 changed parameter types (`wxBitmapBundle`,
   `wxReadOnlyDC`, `wxWindowBase*`, `wxVersionContext`); a stale signature must fail to compile, not
   become a silent overload. → [§4](#4-33-changes-that-break-the-build)
@@ -41,36 +39,33 @@ explicitly called Orca's (`deps/…`, Orca's `src/CMakeLists.txt`) and bare Orca
   `WX_GL_SAMPLES`); `wxGLAttributes::Defaults()` no longer includes it. → [§3](#3-33-behaviour-changes-that-compile)
 9. Size a `wxImageList` in physical pixels (the bitmaps' `GetSize()`), or use the `wxBitmapBundle`
   image APIs. → [§3](#3-33-behaviour-changes-that-compile)
-10. `wxGetTranslation()` returns `const wxString&` (3.3.2 made it by-value; 3.3.3 reverted that); a
-    wrapper that converts a translation returns by value. → [§3](#3-33-behaviour-changes-that-compile)
+10. Return translated strings as `wxString` by value. → [§3](#3-33-behaviour-changes-that-compile)
 11. Escape `&` in user text used as a control label or book page title. → [§3](#3-33-behaviour-changes-that-compile)
 12. `wxDynamicCast` only on a pointer whose static type derives from `wxObject`; use `dynamic_cast`
    for mixin interfaces (`wxComboPopup`, `wxItemContainer`, `wxTextEntry`). → [§4](#4-33-changes-that-break-the-build)
 13. Build a `wxArrayString` with `Add()` or an initializer list, walk wx lists with
    `compatibility_iterator` or range-for, and make a `wxString` the first operand of a mixed
    `+` chain. → [§4](#4-33-changes-that-break-the-build)
-14. MSW windows are not double-buffered by default in 3.3.4; a custom-painted control buffers itself.
+14. MSW windows are not double-buffered by default in 3.3.2; a custom-painted control buffers itself.
    → [§5](#5-330-notable-changes)
 15. `wxEVT_DPI_CHANGED` now fires on GTK3 too; such handlers must be correct on GTK, and every handler
    you bind calls `Skip()` (`DPIAware`'s own is the one exception). → [§5](#5-330-notable-changes)
-16. wx MSW dark mode became runtime-switchable in 3.3.3/3.3.4 (`SetAppearance`/`MSWEnableDarkMode`
-    restyle existing windows); Orca still keeps NppDarkMode for its own chrome.
-    → [§5](#5-330-notable-changes), [§9](#9-334-notable-changes)
+16. wx MSW dark mode cannot be switched at runtime; do not replace Orca's NppDarkMode with it without
+    keeping live theme switching. → [§5](#5-330-notable-changes)
 17. After `wxStaticText::SetLabel`, re-wrap with `Wrap(-1); Wrap(w);` (or use `Label`); `wxST_WRAP`
    is opt-in and works only inside a sizer. → [§7](#7-332-notable-changes)
 18. On Linux/X11 call `wxGLCanvas::PreferGLX()` before any GL use; on Unix set a swap interval explicitly
    if frame pacing matters (wx forces 0). → [§7](#7-332-notable-changes)
 19. Compare `wxGrid::GetSelectedBlocks()` `begin()` with `end()` before dereferencing.
-    → [§10](#10-migration-already-done-in-orca)
+    → [§8](#8-migration-already-done-in-orca)
 20. Keep the post-upgrade workarounds (MainFrame `WS_CAPTION` masking, macOS deep-link handler,
    `MSWEnableDarkMode` ordering, `SidePopup` anchoring, MSW `GLCanvas3D::on_paint` render) when
-    touching that code. → [§10](#10-migration-already-done-in-orca)
+    touching that code. → [§8](#8-migration-already-done-in-orca)

 ## 1 Reading the change logs

-**Sources.** `docs/changes.txt` lists changes since 3.2: incompatible behaviour changes :11-178,
-build-breaking changes :181-292, 3.3.4 :295-385, 3.3.3 :388-445, 3.3.2 :448-523, 3.3.1 :526-570,
-3.3.0 :573-815.
+**Sources.** `docs/changes.txt` lists changes since 3.2: incompatible behaviour changes :11-146,
+build-breaking changes :149-252, 3.3.2 :255-330, 3.3.1 :333-377, 3.3.0 :380-622.
 `docs/changes_32.txt` covers 3.x → 3.2.0: the cumulative "INCOMPATIBLE CHANGES SINCE 3.0.x" list
 :9-233, 3.2.0 :235-276, 3.1.7 :279-340, 3.1.6 :343-444. wxQt, wxiOS, wxUniv, wxMotif and wxGTK1
 items are left out here.
@@ -78,14 +73,11 @@ items are left out here.
 **Coverage gaps.**
 - The "since 3.0.x" list in `changes_32.txt` is cumulative over all of 3.1.x. Most of it was already
  in force in 3.1.5; §2.1 lists only what was added after 3.1.5, §2.3 the older items worth knowing.
- `changes_32.txt` in this tree stops at 3.2.0. The 3.2.1–3.2.12 maintenance fixes are not listed
+- `changes_32.txt` in this tree stops at 3.2.0. The 3.2.1–3.2.10 maintenance fixes are not listed
  anywhere in the tree.
- 3.3.0's list is relative to 3.2.8 (`changes.txt:576`). 3.3.2's list is relative to 3.2.10, and the
+- 3.3.0's list is relative to 3.2.8 (`changes.txt:383`). 3.3.2's list is relative to 3.2.10, and the
  full set of changes since 3.3.1 *also includes* the 3.2.9 and 3.2.10 fixes, which are **not**
-  listed in this file (`changes.txt:451-452`). 3.3.3's list is relative to 3.2.11, and its changes
-  since 3.3.2 *also include* the 3.2.10–3.2.11 fixes (`changes.txt:391-392`); 3.3.4's list is
-  relative to 3.2.11 too, and its changes since 3.3.3 *also include* the 3.2.11–3.2.12 fixes
-  (`changes.txt:298-299`).
+  listed in this file (`changes.txt:258-259`).

 **"Asserts" mean silence in Orca.** wx is built with `-DwxBUILD_DEBUG_LEVEL=0`
 (`deps/wxWidgets/wxWidgets.cmake` → `build/cmake/init.cmake:245-246`), and `libslic3r_gui` gets
@@ -125,7 +117,7 @@ the 3.1.7-specific section.
 | `wxSpinCtrl::SetValue(wxString)` sends no events on MSW (as documented) | :129-130 | do not rely on setter events (`controls-dataview.md`) |
 | `wxButton::GetBitmap{Current,Disabled,Focus,Pressed}()` return a valid bitmap on MSW only if set | :132-134 | check `IsOk()` |
 | `wxFileName::GetVolume()` returns `\\share` for UNC paths and `\\?\Volume{GUID}` for GUID paths | :136-140 | path code comparing volumes |
-| `wxBitmapComboBoxBase::SetItemBitmap()` takes `wxBitmapBundle` | :152-153 | the bundle change also retyped `OnAddBitmap` (5f365b5c6b, §10) |
+| `wxBitmapComboBoxBase::SetItemBitmap()` takes `wxBitmapBundle` | :152-153 | the bundle change also retyped `OnAddBitmap` (5f365b5c6b, §8) |
 | MSW also links `oleacc` (3.1.5 already needed `shlwapi`, `uxtheme`, `version`) | :158-163 | automatic with MSVC |
 | Xcode projects drop i386, add arm64 | :205-207 | none (CMake build) |
 | `wxImage` ctor from XPM data is `explicit` | :225-226 | write `wxImage(xpm)` |
@@ -144,7 +136,7 @@ the 3.1.7-specific section.
 | MSW: TLW resizing on DPI change improved and overridable — a handler that sizes the TLW itself does not `Skip()` (3.2.0) | `changes_32.txt:269`; `interface/wx/event.h` (`wxDPIChangedEvent`) | Orca's `DPIAware` handler does not `Skip()` (`dpi-bitmaps-fonts.md`) |
 | `wxUILocale` (3.1.6); `wxLocale::IsAvailable` is now implemented through it | `changes_32.txt:348`; `src/common/intl.cpp:740-781` | see `wxUILocale::IsSupported` in §3 |
 | `wxWebView::RunScriptAsync()` (3.1.6) | `changes_32.txt:382` | `webview-gl-aui-media.md` |
-| wxOSX: "Allow user input in `wxPopupTransientWindow`" (3.1.7) — the popup's child holds mouse capture while the cursor is outside it and releases it inside, toggled from `OnIdle` [source] | `changes_32.txt:334`; `src/common/popupcmn.cpp:438-471` | how wxOSX transient popups track the mouse; the macOS gap-dismissal worked around in `SidePopup::Popup` is not traced to a specific wx change (§10; `popups-menus.md`) |
+| wxOSX: "Allow user input in `wxPopupTransientWindow`" (3.1.7) — the popup's child holds mouse capture while the cursor is outside it and releases it inside, toggled from `OnIdle` [source] | `changes_32.txt:334`; `src/common/popupcmn.cpp:438-471` | how wxOSX transient popups track the mouse; the macOS gap-dismissal worked around in `SidePopup::Popup` is not traced to a specific wx change (§8; `popups-menus.md`) |
 | wxGTK: Wayland fixes (3.1.6), no GDK errors from `PopupMenu()` on Wayland (3.1.7), `wxCURSOR_SIZING` on Wayland (3.2.0) | `changes_32.txt:397, 317, 261` | `platforms.md` |
 | MSW: all native modal dialogs are app-modal (3.1.6) | `changes_32.txt:409` | `windows-dialogs.md` |
 | Also new: `wxKeyEvent::IsAutoRepeat()`, `wxSpinCtrl::GetTextValue()/SetIncrement()`, `wxTopLevelWindow::SetContentProtection()`, `wxEVT_SPLITTER_SASH_POS_RESIZE`, OSX full-screen view options, OSX `wxEVT_CHAR` from `wxDataViewCtrl` | `changes_32.txt:364-436` | available API |
@@ -175,7 +167,7 @@ These were already in force in 3.1.5, so the upgrade did not change them, but co

 ## 3 3.3 behaviour changes that compile

-`changes.txt` "Changes in behaviour not resulting in compilation errors" (:11-178). Each row: the
+`changes.txt` "Changes in behaviour not resulting in compilation errors" (:11-146). Each row: the
 change, its line, and what it means for Orca.

 | Change | Line | Orca relevance |
@@ -185,30 +177,31 @@ change, its line, and what it means for Orca.
 | `wxGLCanvas` no longer multisamples by default | :21-23 | pitfall below |
 | `wxFileConfig` on Unix defaults to XDG `~/.config/appname.conf` (old file still used; `wxCONFIG_USE_XDG`/`wxCONFIG_USE_HOME`, `MigrateLocalFile()`) | :25-29 | none: Orca uses `AppConfig`, no `wxConfig` (`strings-i18n-files.md`) |
 | `wxColourDatabase` uses CSS values; `UseScheme()` restores the old ones (`interface/wx/gdicmn.h:845, 973-996`) | :31-33 | none: stock colours (`*wxGREEN`, …) are fixed RGB (`src/common/gdicmn.cpp:789-830`) and Orca builds colours from hex/RGB. Do not build colours from names |
-| `wxAuiNotebook` default art is the new flat art; `wxAuiNativeTabArt` (or `"native"` in XRC) keeps the old look | :41-43 | none: no `wxAuiNotebook` in Orca |
-| `wxTHREAD_WAIT_DEFAULT` is `wxTHREAD_WAIT_BLOCK`: `wxThread::Delete()/Wait()` no longer pump events | :45-47 | Orca uses std/boost threads (`wxThread` only for `IsMain()`); a new `wxThread` whose exit needs the main loop would deadlock |
-| `wxDocument::OnCloseDocument()` runs once, after the views are destroyed (it used to run twice when the document was closed from the menu); an override must not rely on any view existing | :49-52 | none: no doc/view |
-| `wxGrid::FreezeTo()` asserts on out-of-range counts, and freezes even when the grid is too small | :54-57 | silent `false` in Orca; it also refuses reordered or drag-movable rows/columns [source] (`src/generic/grid.cpp:5742-5750`). Clamp arguments (`controls-dataview.md`) |
-| Invalid `wxImageList` calls assert | :59-62 | silent in Orca; `wxCHECK` returns (generic `Add` → -1). Create the list with a valid size before use |
-| `wxTRANSPARENT_WINDOW` does nothing (`#define wxTRANSPARENT_WINDOW 0`, `include/wx/defs.h:1449`); MSW code that needs it can set `WS_EX_TRANSPARENT` | :64-66 | pitfall below; 026b105dcb |
-| MSW `wxTextDataObject::SetData()` size includes the 2-byte NUL (consistent with `GetDataSize()`); an old-style size chops the last character | :68-72 | none: Orca uses the `wxTextDataObject(text)` ctor; use `SetText()`, never `SetData()` |
-| `wxListCtrl::EditLabel()` asserts without `wxLC_EDIT_LABELS` | :74-75 | silent no-op in Orca; add the style where editing is intended |
-| MSW `wxSystemAppearance::IsDark()` reports the app's own mode; `AreAppsDark()`/`IsSystemDark()` report the OS | :77-79 | pitfall below |
-| Unix `wxUILocale::IsSupported()` no longer falls back to another region of the same language; pass just `"fr"` to accept any `fr_XX` | :81-85 | `wxLocale::IsAvailable` builds the region-qualified tag (`GetCanonicalWithRegion()`) and calls `IsSupported()` [source] (`src/common/intl.cpp:740-781`); `GUI_App::load_language` relies on it, so on Linux a language whose canonical locale (e.g. `fr_FR`) is not installed reports unavailable. Keep the fallbacks in `load_language` |
-| Deprecated `wxPGCellRenderer::DrawCaptionSelectionRect()` overload not called; override the overload taking `wxWindow*`, or enable 3.0 compatibility | :87-89 | none: no propgrid in Orca's own code |
-| `wxImageList` size is in physical pixels | :91-94 | pitfall below |
-| Mac `wxWebRequest` no longer uses persistent storage. The entry names `wxWebRequest::EnablePersistentStorage()`; the real API is `wxWebSession::EnablePersistentStorage(bool)` (`interface/wx/webrequest.h:1612-1629`; also `wxWebSessionSync`, :1835), macOS-only, before the first request | :96-98 | none: Orca uses `wxWebRequest` only for image downloads (`wxWebSession::GetDefault().CreateRequest` in `StatusPanel`, `SliceInfoPanel`, `ReleaseNote`, `DeviceErrorDialog`); network and login agents use libcurl (`Slic3r::Http`) |
-| MSW `wxBitmap::Create(size, dc)` no longer multiplies by the DC's content scale; the size is physical | :100-102 | remove compensating scaling; use `CreateWithLogicalSize` for logical sizes |
-| `wxIMAGE_QUALITY_NEAREST` has a new value and is no longer `wxIMAGE_QUALITY_NORMAL`; `NORMAL` (the `Scale`/`Rescale` default) is bilinear + box average (`interface/wx/image.h:31-67`) | :104-105 | never store or compare the enum numerically; default-quality thumbnails and icons look smoother than under 3.1.5; pass `wxIMAGE_QUALITY_NEAREST` for pixel-exact scaling |
-| `wxTextCtrl::{Save,Load}File()` treat `.rtf` as RTF | :107-110 | pass `wxTEXT_TYPE_PLAIN` to keep plain text |
-| `wxClientDC`/`wxPaintDC` offset their origin by a `wxFrame` toolbar on every port | :112-115 | none: Orca frames have no native toolbar (`BBLTopbar` is a child `wxAuiToolBar`) |
-| `wxTextCtrl::SetLabel()` does nothing and asserts on every port (MSW used to act as `SetValue`) | :117-119 | pitfall below |
-| `wxAuiGenericTabArt` subclasses (also via `wxAuiMSWTabArt`) override `DrawPageTab()`/`GetPageTabSize()` instead of `DrawTab()`/`GetTabSize()`; direct `wxAuiTabArt` subclasses still work | :121-126 | none: no Orca tab art |
-| `wxAuiNotebook` page index is logical (reorder-independent); `GetPagePosition()` gives the screen position | :128-132 | none; index math under `wxAUI_NB_TAB_MOVE` is what breaks |
-| `wxListbook`/`wxChoicebook` interpret mnemonics in page titles "just as the other wx*book classes already did" | :134-136 | Orca uses neither (`BedShapeDialog` uses `wxSimplebook` + a combo); every book interprets `&` (`interface/wx/bookctrl.h:141-147`) → rule 11 |
-| `wxAUI_MGR_HINT_FADE` is not in the default `wxAuiManager` style | :138-139 | Orca's `AuiMgr` keeps the default flags (minus `wxAUI_MGR_ALLOW_FLOATING` on Wayland, `AuiMgr::init`), so the docking hint no longer fades; add the flag if wanted |
-| `wxPrintDialogData::SetAllPages(false)`/`SetSelection(false)` changed meaning | :141-143 | none |
-| `wxWindow::Raise()` no longer shows a hidden window on any port | :145-147 | pitfall below; ba867cc534 |
+| `wxAuiNotebook` default art is the new flat art; `wxAuiNativeTabArt` (or `"native"` in XRC) keeps the old look | :35-37 | none: no `wxAuiNotebook` in Orca |
+| `wxTHREAD_WAIT_DEFAULT` is `wxTHREAD_WAIT_BLOCK`: `wxThread::Delete()/Wait()` no longer pump events | :39-41 | Orca uses std/boost threads (`wxThread` only for `IsMain()`); a new `wxThread` whose exit needs the main loop would deadlock |
+| `wxDocument::OnCloseDocument()` runs once, after the views are destroyed (it used to run twice when the document was closed from the menu); an override must not rely on any view existing | :43-46 | none: no doc/view |
+| `wxGrid::FreezeTo()` asserts on out-of-range counts, and freezes even when the grid is too small | :48-51 | silent `false` in Orca; it also refuses reordered or drag-movable rows/columns [source] (`src/generic/grid.cpp:5742-5750`). Clamp arguments (`controls-dataview.md`) |
+| Invalid `wxImageList` calls assert | :53-56 | silent in Orca; `wxCHECK` returns (generic `Add` → -1). Create the list with a valid size before use |
+| `wxTRANSPARENT_WINDOW` does nothing (`#define wxTRANSPARENT_WINDOW 0`, `include/wx/defs.h:1449`); MSW code that needs it can set `WS_EX_TRANSPARENT` | :58-60 | pitfall below; 026b105dcb |
+| MSW `wxTextDataObject::SetData()` size includes the 2-byte NUL (consistent with `GetDataSize()`); an old-style size chops the last character | :62-66 | none: Orca uses the `wxTextDataObject(text)` ctor; use `SetText()`, never `SetData()` |
+| `wxListCtrl::EditLabel()` asserts without `wxLC_EDIT_LABELS` | :68-69 | silent no-op in Orca; add the style where editing is intended |
+| MSW `wxSystemAppearance::IsDark()` reports the app's own mode; `AreAppsDark()`/`IsSystemDark()` report the OS | :71-73 | pitfall below |
+| Unix `wxUILocale::IsSupported()` no longer falls back to another region of the same language; pass just `"fr"` to accept any `fr_XX` | :75-79 | `wxLocale::IsAvailable` builds the region-qualified tag (`GetCanonicalWithRegion()`) and calls `IsSupported()` [source] (`src/common/intl.cpp:740-781`); `GUI_App::load_language` relies on it, so on Linux a language whose canonical locale (e.g. `fr_FR`) is not installed reports unavailable. Keep the fallbacks in `load_language` |
+| Deprecated `wxPGCellRenderer::DrawCaptionSelectionRect()` overload not called; override the overload taking `wxWindow*`, or enable 3.0 compatibility | :81-83 | none: no propgrid in Orca's own code |
+| `wxImageList` size is in physical pixels | :85-88 | pitfall below |
+| Mac `wxWebRequest` no longer uses persistent storage. The entry names `wxWebRequest::EnablePersistentStorage()`; the real API is `wxWebSession::EnablePersistentStorage(bool)` (`interface/wx/webrequest.h:1612-1629`; also `wxWebSessionSync`, :1835), macOS-only, before the first request | :90-92 | none: Orca uses `wxWebRequest` only for image downloads (`wxWebSession::GetDefault().CreateRequest` in `StatusPanel`, `SliceInfoPanel`, `ReleaseNote`, `DeviceErrorDialog`); network and login agents use libcurl (`Slic3r::Http`) |
+| MSW `wxBitmap::Create(size, dc)` no longer multiplies by the DC's content scale; the size is physical | :94-96 | remove compensating scaling; use `CreateWithLogicalSize` for logical sizes |
+| `wxIMAGE_QUALITY_NEAREST` has a new value and is no longer `wxIMAGE_QUALITY_NORMAL`; `NORMAL` (the `Scale`/`Rescale` default) is bilinear + box average (`interface/wx/image.h:31-67`) | :98-99 | never store or compare the enum numerically; default-quality thumbnails and icons look smoother than under 3.1.5; pass `wxIMAGE_QUALITY_NEAREST` for pixel-exact scaling |
+| `wxTextCtrl::{Save,Load}File()` treat `.rtf` as RTF | :101-104 | pass `wxTEXT_TYPE_PLAIN` to keep plain text |
+| `wxClientDC`/`wxPaintDC` offset their origin by a `wxFrame` toolbar on every port | :106-109 | none: Orca frames have no native toolbar (`BBLTopbar` is a child `wxAuiToolBar`) |
+| `wxTextCtrl::SetLabel()` does nothing and asserts on every port (MSW used to act as `SetValue`) | :111-113 | pitfall below |
+| `wxAuiGenericTabArt` subclasses (also via `wxAuiMSWTabArt`) override `DrawPageTab()`/`GetPageTabSize()` instead of `DrawTab()`/`GetTabSize()`; direct `wxAuiTabArt` subclasses still work | :115-120 | none: no Orca tab art |
+| `wxAuiNotebook` page index is logical (reorder-independent); `GetPagePosition()` gives the screen position | :122-126 | none; index math under `wxAUI_NB_TAB_MOVE` is what breaks |
+| `wxListbook`/`wxChoicebook` interpret mnemonics in page titles "just as the other wx*book classes already did" | :128-130 | Orca uses neither (`BedShapeDialog` uses `wxSimplebook` + a combo); every book interprets `&` (`interface/wx/bookctrl.h:141-147`) → rule 11 |
+| `wxAUI_MGR_HINT_FADE` is not in the default `wxAuiManager` style | :132-133 | Orca's `AuiMgr` keeps the default flags (minus `wxAUI_MGR_ALLOW_FLOATING` on Wayland, `AuiMgr::init`), so the docking hint no longer fades; add the flag if wanted |
+| `wxPrintDialogData::SetAllPages(false)`/`SetSelection(false)` changed meaning | :135-137 | none |
+| `wxGetTranslation()` returns `wxString` by value | :139-142 | pitfall below |
+| `wxWindow::Raise()` no longer shows a hidden window on any port | :144-146 | pitfall below; ba867cc534 |

 **Pitfalls**

@@ -284,7 +277,7 @@ change, its line, and what it means for Orca.
  // Wrong: m_input_ip->GetTextCtrl()->SetLabelText(m_obj->get_dev_ip());
  // Right: m_input_ip->GetTextCtrl()->ChangeValue(m_obj->get_dev_ip());   // no wxEVT_TEXT
  ```
-  Cite: `docs/changes.txt:117-119`; `controls-dataview.md`.
+  Cite: `docs/changes.txt:111-113`; `controls-dataview.md`.

 - **Rule:** Size a `wxImageList` from the bitmaps' physical size, or use
  `SetImages(std::vector<wxBitmapBundle>)`.
@@ -300,23 +293,18 @@ change, its line, and what it means for Orca.
  // Right: wxBitmap bmp = create_scaled_bitmap("icon", this, 16);
  //        m_images = new wxImageList(bmp.GetWidth(), bmp.GetHeight(), false);
  ```
-  Cite: `docs/changes.txt:91-94`; `Tab` builds its list from `bmp().GetWidth()/GetHeight()`;
+  Cite: `docs/changes.txt:85-88`; `Tab` builds its list from `bmp().GetWidth()/GetHeight()`;
  `dpi-bitmaps-fonts.md`.

- **Rule:** A wrapper that converts a translation returns by value; `wxGetTranslation()` itself
-  returns `const wxString&`.
-  **Why:** 3.3.2 changed `wxGetTranslation()` to return `wxString` by value, and **3.3.3 reverted it**
-  (`interface/wx/translation.h:615`, `include/wx/translation.h:277-309`), so the return type is the
-  3.2.x `const wxString&` again. That reference points at the catalog's own string or at
-  `wxTranslations::GetUntranslatedString()`, both of which outlive the call, so forwarding it as a
-  reference is safe. What still dangles is a temporary you construct: `wxString::FromUTF8`,
-  `ToUTF8()`, `format_wxstr`. Orca's `I18N::translate` overloads return `wxString` by value and
-  `translate_utf8`/`_u8L` return `std::string`.
+- **Rule:** A function that returns a translation returns `wxString` by value.
+  **Why:** `wxGetTranslation()` returns by value now (`include/wx/translation.h:278-321`); returning
+  it as `const wxString&` dangles. Orca's `I18N::translate` overloads and `_L` already return by
+  value.
  ```cpp
-  // Wrong: const wxString& path() { return wxString::FromUTF8(raw); }   // temporary
-  // Right: wxString path() { return wxString::FromUTF8(raw); }
+  // Wrong: const wxString& title() { return _L("Printer"); }
+  // Right: wxString title() { return _L("Printer"); }
  ```
-  Cite: §8 (the 3.3.3 revert); `I18N.hpp`.
+  Cite: `docs/changes.txt:139-142`; `I18N.hpp`.

 - **Rule:** Escape `&` in user data (preset, filament, printer, file names) shown as a control label or
  book page title.
@@ -326,37 +314,37 @@ change, its line, and what it means for Orca.
  // Wrong: book->AddPage(page, preset_name);
  // Right: book->AddPage(page, wxControl::EscapeMnemonics(preset_name));   // or label->SetLabelText(name)
  ```
-  Cite: `docs/changes.txt:134-136`; `interface/wx/bookctrl.h:141-147`; `controls-dataview.md`.
+  Cite: `docs/changes.txt:128-130`; `interface/wx/bookctrl.h:141-147`; `controls-dataview.md`.

 ## 4 3.3 changes that break the build

-`changes.txt` "Changes in behaviour which may result in build errors" (:181-292).
+`changes.txt` "Changes in behaviour which may result in build errors" (:149-252).

 | Change | Line | Orca relevance |
 |---|---|---|
-| 3.0-deprecated symbols disabled by default (`WXWIN_COMPATIBILITY_3_0=1` at wx build time re-enables them), 2.8-deprecated removed | :184-186 | Orca builds `WXWIN_COMPATIBILITY_3_0 0`, `_3_2 1`: port off 3.0-deprecated API |
-| `wxUSE_UNICODE=0` unsupported | :188 | none |
-| `wxUSE_STD_CONTAINERS=1` by default ("Container Classes" overview); building wx with 0 keeps the old containers | :190-193 | Orca builds with 1 → pitfall below |
-| `wxUSE_STL` gone; implicit `wxString` → `std::[w]string` only with `wxUSE_STD_STRING_CONV_IN_WXSTRING=1` at wx build time | :195-198 | Orca builds 0: convert explicitly (`into_u8`, `ToStdString`, `ToUTF8()`) |
-| MSW links `gdiplus.lib`, `msimg32.lib` | :200-204 | automatic with MSVC/wx-config; only static non-MSVC builds add them |
-| wxMotif, wxGTK1 removed | :206-207 | none |
-| Private containers (e.g. `wxSimpleDataObjectList`) removed; object arrays (`wxImageArray`) compare values in `Index()` | :209-215 | use `std::vector`/`std::list` |
-| Operators on wx types are hidden (not global) | :217-221 | pitfall below |
-| `wxString` from `std::string_view` makes `wxstr = {"Hello", 2}` ambiguous | :223-226 | write `wxString{"Hello", 2}` |
-| Generic `wxSearchCtrl` lost multi-line-only methods | :228-229 | none |
-| Wide-filename `wxOnAssert()` overload removed | :231-232 | none |
-| 64-bit DLLs carry an `x64` suffix in all build systems | :234-236 | packaging scripts matching DLL names; Orca links wx statically (Flatpak builds it shared in its own manifest) |
-| CMake config installs to `lib/cmake/wxWidgets-3.3`; plain `find_package(wxWidgets)` is unaffected, hard-coded paths break | :238-243 | Orca: `find_package(wxWidgets 3.3 CONFIG …)` on Windows/macOS, `wx-config --toolkit=gtk${SLIC3R_GTK}` on Linux (Orca's `src/CMakeLists.txt`) |
-| Memory-tracing options removed | :245-248 | use ASan |
-| `wxTEST_DIALOG()` needs a trailing `;` | :250-251 | none |
-| `wxWindow::GetDefaultBorderForControl()` not virtual | :253-255 | do not override; use `wxBORDER_THEME` |
-| GTK `wxDirButton::Create()` lost `wildcard` | :257-258 | none |
-| Several virtuals take `wxReadOnlyDC` | :260-263 | pitfall below |
-| `wxSizer::Detach()` takes `wxWindowBase*` | :265-268 | only custom sizer subclasses |
-| `wx/cursor.h` no longer includes `wx/utils.h` | :270-272 | include `<wx/utils.h>` explicitly (8248b06337 added it to `GLCanvas3D.cpp`) |
-| `wxStyledTextCtrl::AddSelection()` returns void | :274-276 | none: `wxUSE_STC=OFF` |
-| `wxColour` from `bool` no longer compiles | :278-280 | use the RGB or string ctor explicitly |
-| `wxGLCanvas::CreateSurface()` removed from EGL builds | :282-284 | none: wx chooses EGL or GLX itself (§7) |
+| 3.0-deprecated symbols disabled by default (`WXWIN_COMPATIBILITY_3_0=1` at wx build time re-enables them), 2.8-deprecated removed | :152-154 | Orca builds `WXWIN_COMPATIBILITY_3_0 0`, `_3_2 1`: port off 3.0-deprecated API |
+| `wxUSE_UNICODE=0` unsupported | :156 | none |
+| `wxUSE_STD_CONTAINERS=1` by default ("Container Classes" overview); building wx with 0 keeps the old containers | :158-161 | Orca builds with 1 → pitfall below |
+| `wxUSE_STL` gone; implicit `wxString` → `std::[w]string` only with `wxUSE_STD_STRING_CONV_IN_WXSTRING=1` at wx build time | :163-166 | Orca builds 0: convert explicitly (`into_u8`, `ToStdString`, `ToUTF8()`) |
+| MSW links `gdiplus.lib`, `msimg32.lib` | :168-172 | automatic with MSVC/wx-config; only static non-MSVC builds add them |
+| wxMotif, wxGTK1 removed | :174-175 | none |
+| Private containers (e.g. `wxSimpleDataObjectList`) removed; object arrays (`wxImageArray`) compare values in `Index()` | :177-183 | use `std::vector`/`std::list` |
+| Operators on wx types are hidden (not global) | :185-189 | pitfall below |
+| `wxString` from `std::string_view` makes `wxstr = {"Hello", 2}` ambiguous | :191-194 | write `wxString{"Hello", 2}` |
+| Generic `wxSearchCtrl` lost multi-line-only methods | :196-197 | none |
+| Wide-filename `wxOnAssert()` overload removed | :199-200 | none |
+| 64-bit DLLs carry an `x64` suffix in all build systems | :202-204 | packaging scripts matching DLL names; Orca links wx statically (Flatpak builds it shared in its own manifest) |
+| CMake config installs to `lib/cmake/wxWidgets-3.3`; plain `find_package(wxWidgets)` is unaffected, hard-coded paths break | :206-211 | Orca: `find_package(wxWidgets 3.3 CONFIG …)` on Windows/macOS, `wx-config --toolkit=gtk${SLIC3R_GTK}` on Linux (Orca's `src/CMakeLists.txt`) |
+| Memory-tracing options removed | :213-216 | use ASan |
+| `wxTEST_DIALOG()` needs a trailing `;` | :218-219 | none |
+| `wxWindow::GetDefaultBorderForControl()` not virtual | :221-223 | do not override; use `wxBORDER_THEME` |
+| GTK `wxDirButton::Create()` lost `wildcard` | :225-226 | none |
+| Several virtuals take `wxReadOnlyDC` | :228-231 | pitfall below |
+| `wxSizer::Detach()` takes `wxWindowBase*` | :233-236 | only custom sizer subclasses |
+| `wx/cursor.h` no longer includes `wx/utils.h` | :238-240 | include `<wx/utils.h>` explicitly (8248b06337 added it to `GLCanvas3D.cpp`) |
+| `wxStyledTextCtrl::AddSelection()` returns void | :242-244 | none: `wxUSE_STC=OFF` |
+| `wxColour` from `bool` no longer compiles | :246-248 | use the RGB or string ctor explicitly |
+| `wxGLCanvas::CreateSurface()` removed from EGL builds | :250-252 | none: wx chooses EGL or GLX itself (§7) |

 **Pitfalls**

@@ -378,7 +366,7 @@ change, its line, and what it means for Orca.
  // Wrong: wxSize GetToolSize(wxDC& dc, wxWindow* w, const wxAuiToolBarItem& it);       // never called
  // Right: wxSize GetToolSize(wxReadOnlyDC& dc, wxWindow* w, const wxAuiToolBarItem& it) override;
  ```
-  Cite: `docs/changes.txt:260-263`; `painting-custom-widgets.md`.
+  Cite: `docs/changes.txt:228-231`; `painting-custom-widgets.md`.

 - **Rule:** With `wxUSE_STD_CONTAINERS=1`, build a `wxArrayString` with `Add()` or an initializer
  list, and walk `WX_DECLARE_LIST` lists with `compatibility_iterator` or range-for.
@@ -398,7 +386,7 @@ change, its line, and what it means for Orca.
  `wchar_t`, `std::string` or `std::wstring`.
  **Why:** wx operators are hidden friends now, found only by argument-dependent lookup on a wx type;
  "preventing them from implicitly being used with types convertible to wx types"
-  (`changes.txt:217-221`). `char + std::wstring + …` compiled under 3.1.5 through the global
+  (`changes.txt:185-189`). `char + std::wstring + …` compiled under 3.1.5 through the global
  `operator+(char, const wxString&)`, converting the `std::wstring` implicitly; under 3.3 that
  operator is a hidden friend (`include/wx/string.h:2150`) and no operand is a `wxString`, so it
  does not.
@@ -425,9 +413,9 @@ change, its line, and what it means for Orca.

 ## 5 3.3.0 notable changes

-`changes.txt:573-785` (relative to 3.2.8).
+`changes.txt:380-592` (relative to 3.2.8).

-**Major changes** (:578-587)
+**Major changes** (:385-394)

 | Change | Orca relevance |
 |---|---|
@@ -441,7 +429,7 @@ change, its line, and what it means for Orca.
 | Native GTK file dialogs when possible (#24486, #25104) | the portal dialog is used only with GTK ≥ 3.20 at runtime, without `wxFD_PREVIEW` and without an extra control [source] (`src/gtk/filedlg.cpp:265-273, 438-443`); Orca's `CheckboxFileDialog` (`SetExtraControlCreator`, `GUI_Utils.hpp`) therefore gets the non-native GTK dialog |
 | Native `wxTextCtrl` contents / RTF (#24626, #24912) | available (`GetRTFValue`, `SearchText`) |

-**All** (:591-635)
+**All** (:398-442)

 | Change | Orca relevance |
 |---|---|
@@ -451,7 +439,7 @@ change, its line, and what it means for Orca.
 | Environment variables use UTF-8 (#25101) | check round-tripping of non-ASCII paths through `wxGetEnv`/`wxSetEnv` |
 | Improved locale matching (#24855); thread-safe `wxPlatformInfo::Get()` (#25459); `wxXmlParseError` from `wxXmlDocument::Load()` (#24215); customisable error exit code (#24770) | available |

-**All (GUI)** (:637-693)
+**All (GUI)** (:444-500)

 | Change | Orca relevance |
 |---|---|
@@ -464,17 +452,17 @@ change, its line, and what it means for Orca.
 | Non-live resize restored in wxAUI and `wxSplitterWindow` (#24193) | `wxAUI_MGR_LIVE_RESIZE` is in `wxAUI_MGR_DEFAULT` since 3.3.0 (`interface/wx/aui/framemanager.h:59-66`). The style table's "always enabled in wxGTK3 and wxOSX ports as non-live resizing is not implemented in them" (:199-206) is as stale as the `AlwaysUsesLiveResize()` note: that function "always returns false" as of 3.3.0 (:345; `src/aui/framemanager.cpp:711-714`), and the flag decides on every port [source] (`HasLiveResize`, :716-719). See `webview-gl-aui-media.md` §AUI docking |
 | `wxInfoBar::ShowCheckBox()` (#25394); printing multiple page ranges (#25030); `wxGrid::CopySelection()` (#24124); new default flat AUI tab art (#25316); `wxApp::SetAppearance()` (#24461) | available |

-**All (WebView)** (:703-718) — `wxWebViewConfiguration` + `GetNativeConfiguration()`, `SetProxy()`,
+**All (WebView)** (:510-525) — `wxWebViewConfiguration` + `GetNativeConfiguration()`, `SetProxy()`,
 `ShowDevTools()`, `EnablePersistentStorage()`, `EnableBrowserAcceleratorKeys()`, clearing browsing
 data, advanced requests, child-window handling, `IsTargetMainFrame()`, Edge user agent settable after
 creation, and **Edge events queued** (#22744, #19075): Edge handlers run later than on the other
-backends. Edge posts its events with `AddPendingEvent` (script messages: `src/msw/webview_edge.cpp:872`)
-except the vetoable ones, `wxEVT_WEBVIEW_NAVIGATING` (:655-662) and `wxEVT_WEBVIEW_NEWWINDOW` with its
-`NEWWINDOW_FEATURES` follow-up (:783-785, :796-798), which stay synchronous; WebKit and
+backends. Edge posts its events with `AddPendingEvent` (script messages: `src/msw/webview_edge.cpp:811`)
+except the vetoable ones, `wxEVT_WEBVIEW_NAVIGATING` (:599) and `wxEVT_WEBVIEW_NEWWINDOW` with its
+`NEWWINDOW_FEATURES` follow-up (:723, :737), which stay synchronous; WebKit and
 WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:1360`,
 `src/gtk/webview_webkit2.cpp:408`) [source]. `webview-gl-aui-media.md` owns the details.

-**wxGTK** (:720-740)
+**wxGTK** (:527-547)

 | Change | Orca relevance |
 |---|---|
@@ -489,53 +477,46 @@ WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:136
 | `wxDC::DrawRoundedRectangle()` radius limited to half the smaller side (#24327) | the clamp is in the GTK2 GDK DC (`src/gtk/dcclient.cpp:874-875`, built only in the GTK2 opt-out, `GTK2_LOWLEVEL_SRC` in `build/files`) and also in the common `wxGraphicsPathData::AddRoundedRectangle` (`src/common/graphcmn.cpp:439-440`, absent in 3.1.5) that `wxGraphicsContext::DrawRoundedRectangle` uses, so every `wxGCDC` clamps: GTK3 (Cairo) and macOS window DCs, and Orca's memory-DC + `wxGCDC` paint paths on all ports [source]. A radius larger than half the smaller side is now clamped instead of drawing overlapping arcs |
 | Read-only `wxBitmapComboBox` height fixed (#25468) | `Slic3r::GUI::BitmapComboBox` on GTK |

-**wxMSW** (:742-776)
+**wxMSW** (:549-583)

 | Change | Orca relevance |
 |---|---|
 | "Enable double buffering for all windows" (#22851) | **reverted in 3.3.2** (#25808) → pitfall below |
 | `wxOverlay` reimplemented with layered windows (#23261) | none: no `wxOverlay` |
 | `wxBG_STYLE_TRANSPARENT` implemented (#23412) | as `WS_EX_TRANSPARENT` on non-TLW children [source] (`src/msw/window.cpp:1581-1582`); set before `Create()` (`painting-custom-widgets.md`) |
-| `wxCAPTION` turned on when min/max/close boxes are set (#23575) | `WS_CAPTION` is added to the style (`src/msw/toplevel.cpp:132-135`); origin of the MainFrame workaround (§10) |
+| `wxCAPTION` turned on when min/max/close boxes are set (#23575) | `WS_CAPTION` is added to the style (`src/msw/toplevel.cpp:132-135`); origin of the MainFrame workaround (§8) |
 | `wxButton` default size larger in high DPI (#25297) | raw `wxButton` layouts may grow; Orca dialogs use `Button`/`DialogButtons` |
 | Markup in `wxStaticText` (#25000); `wxHyperlinkCtrl` colour changeable (#23549) | `SetLabelMarkup` now works on MSW (single line) |
 | Extended-length paths (#25033); `wxFileDialog` no unwanted extension (#24949); UTF-8 build fixes (#23313); non-BMP strings (#25128) | available |
 | `wxDisplay` invalidated on display change (#25396); TLW with one child resized on DPI change (#22983); Aero-snapped geometry saved | multi-monitor geometry |
 | Modern default `wxTreeCtrl` look (#23844); RTL fixes for `wxOverlay`/`wxScrolled` (#25413) and GDI+ (#25431); `wxBitmap::UseAlpha()` returns `bool` (#23919) | available |

-**wxOSX** (:778-785) — `wxEventLoop::OnExit()` is always called (#25409); TLW cursor setting fixed
+**wxOSX** (:585-592) — `wxEventLoop::OnExit()` is always called (#25409); TLW cursor setting fixed
 (#25131); Cmd-C no longer activates a "Close" button (#25346); `wxCursor` loadable from resources
 (#24374); `wxUIActionSimulator` works (#23692), usable for GUI tests.

 **Pitfalls**

- **Rule:** Orca keeps its own Windows theming (`NppDarkMode`) and only informs wx with
-  `MSWEnableDarkMode(DarkMode_Auto)`; do not replace it with wx's dark mode without accounting for the
-  chrome NppDarkMode themes itself.
-  **Why:** when 8248b06337 landed (3.3.2), wx's MSW dark mode could not be changed once a top-level
-  window existed — `SetAppearance` returned `CannotChange` — so a live Preferences toggle would have
-  been restart-only. That blocker is gone: 3.3.3 (#26516) and 3.3.4 (#26734) made the mode switchable
-  at runtime. `MSWEnableDarkMode()` re-applies the mode to an existing window (sends it
-  `WM_SYSCOLORCHANGE`, `src/msw/darkmode.cpp:345-349`), controls restyle through
-  `wxMSWDarkMode::HasChanged()`/`NotifySysColorChange()` (`src/msw/window.cpp:5337, 5528-5534`), and
-  `SetAppearance()` returns only `Ok`/`Failure`; `AppearanceResult::CannotChange` is no longer
-  returned (`src/msw/darkmode.cpp:289-375`; `interface/wx/app.h:1151, 1179-1183`). The remaining
-  documented limits are the date/time/calendar controls, `wxPrintDialog` on Windows 10 and MDI
-  applications (`interface/wx/app.h:1442-1448`); `wxMessageDialog` (3.3.3, #26570) and the common
-  dialogs (3.3.4, #26780) now do support dark mode. Orca still keeps NppDarkMode because it themes
-  Orca's own chrome (title bars, explorer theme, scrollbars, list headers) and drives the live
-  theme-switch path (§10).
+- **Rule:** Do not replace Orca's MSW dark mode with wx's (`SetAppearance`/`MSWEnableDarkMode`)
+  unless live theme switching is kept.
+  **Why:** wx's MSW dark mode cannot change once any top-level window exists or a mode was chosen:
+  `SetAppearance` returns `CannotChange` (`src/msw/darkmode.cpp:263-270`;
+  `interface/wx/app.h:1166-1173`). TaskDialog-based dialogs (`wxMessageDialog`, `wxProgressDialog`,
+  simple `wxAboutBox`), the common dialogs (colour, find/replace, font, page setup, print) and the
+  date/time/calendar controls stay light (`interface/wx/app.h:1434-1448`). Orca switches themes at
+  runtime, which is why 8248b06337 kept NppDarkMode and only informs wx with
+  `MSWEnableDarkMode(DarkMode_Auto)` (§8).
  Cite: 8248b06337 (PR text); `colours-dark-mode.md`.

 - **Rule:** On MSW, a custom-painted control buffers its own drawing (`wxAutoBufferedPaintDC`/
  `wxBufferedPaintDC` with `wxBG_STYLE_PAINT`, or the Orca memory-DC + `wxGCDC` path), or calls
  `SetDoubleBuffered(true)` after creation.
-  **Why:** 3.3.0's global `WS_EX_COMPOSITED` was reverted in 3.3.2 (`changes.txt:501`). In 3.3.4
+  **Why:** 3.3.0's global `WS_EX_COMPOSITED` was reverted in 3.3.2 (`changes.txt:308`). In 3.3.2
  nothing sets it except an explicit `SetDoubleBuffered(true)` [source] (`src/msw/window.cpp:4704-4721`;
  the only other use is `MSWDisableComposited`, :1643-1652), so MSW windows are not double-buffered by
  default, exactly as in 3.1.5. `wxAutoBufferedPaintDC` is a `wxBufferedPaintDC` on MSW at compile
  time (`include/wx/dcbuffer.h:18-23, 215-221`). Nothing tuned against 3.3.0/3.3.1 applies.
-  Cite: `docs/changes.txt:501, 750`; `painting-custom-widgets.md`.
+  Cite: `docs/changes.txt:308, 557`; `painting-custom-widgets.md`.

 - **Rule:** A `wxEVT_DPI_CHANGED` handler must be correct on GTK3, and every handler you bind — on a
  child, a control or a `DPIDialog`/`DPIFrame` — calls `Skip()`.
@@ -548,11 +529,11 @@ WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:136
  ctor starts at 1 because `get_dpi_for_window` returns 96 on Linux). Double scaling when a window moves between monitors of
  different scale is a risk that has not been verified at runtime; test DPI changes on GTK when
  touching `DPIAware::rescale` paths.
-  Cite: `docs/changes.txt:734`; `dpi-bitmaps-fonts.md` §wxEVT_DPI_CHANGED.
+  Cite: `docs/changes.txt:541`; `dpi-bitmaps-fonts.md` §wxEVT_DPI_CHANGED.

 ## 6 3.3.1 notable fixes

-`changes.txt:526-570`.
+`changes.txt:333-377`.

 | Port | Change | Orca relevance |
 |---|---|---|
@@ -566,7 +547,7 @@ WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:136

 ## 7 3.3.2 notable changes

-`changes.txt:448-511`, relative to 3.2.10 (see §1 for the unlisted 3.2.9/3.2.10 fixes).
+`changes.txt:255-318`, relative to 3.2.10 (see §1 for the unlisted 3.2.9/3.2.10 fixes).

 | Port | Change | Orca relevance |
 |---|---|---|
@@ -608,7 +589,7 @@ WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:136
  // Wrong: m_static_valid->SetLabel(info_line); m_static_valid->Wrap(FromDIP(300));
  // Right: m_static_valid->SetLabel(info_line); m_static_valid->Wrap(-1); m_static_valid->Wrap(FromDIP(300));
  ```
-  Cite: `docs/changes.txt:473`; `sizers-layout.md` §wxStaticText wrapping.
+  Cite: `docs/changes.txt:280`; `sizers-layout.md` §wxStaticText wrapping.

 - **Rule:** On Linux/X11, call `wxGLCanvas::PreferGLX()` before any GL use, attribute objects
  included; set a swap interval explicitly if the canvas needs VSync.
@@ -624,7 +605,7 @@ WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:136
  ```cpp
  // Right (if frame pacing is wanted): canvas->SetSwapInterval(1);   // before the first SwapBuffers
  ```
-  Cite: `docs/changes.txt:468-469, 485`; `webview-gl-aui-media.md` §EGL vs GLX.
+  Cite: `docs/changes.txt:275-276, 292`; `webview-gl-aui-media.md` §EGL vs GLX.

 - **Rule:** Do not count clicks from `wxEVT_LEFT_DCLICK` alone on macOS; handle `DOWN` and `DCLICK`
  as on MSW.
@@ -632,68 +613,13 @@ WebKit2GTK deliver script messages synchronously (`src/osx/webview_webkit.mm:136
  (left and right buttons), so a triple click gives `DOWN, DCLICK, DOWN` as on MSW; previously every
  click with `clickCount > 1` was a `DCLICK` [source] (`src/osx/cocoa/window.mm:4103-4150`). Per-platform click-count ifdefs
  written for 3.1.5 need rechecking.
-  Cite: `docs/changes.txt:509`; `mouse-keyboard-focus.md`.
+  Cite: `docs/changes.txt:316`; `mouse-keyboard-focus.md`.

-## 8 3.3.3 notable changes
+## 8 Migration already done in Orca

-`changes.txt:388-445`, relative to 3.2.11 (see §1 for the unlisted 3.2.10/3.2.11 fixes).
-
-| Port | Change | Orca relevance |
-|---|---|---|
-| All | `wxMoveToTrash()` (#26256); `wxSizer::DetachItem()` (#26512); truncated reads are errors in `wxDataInputStream` (#26600); `wxGetOsDescription()` (#26231); C++20 `<=>` for `wxString` (#26306) | available; Orca detaches windows and has its own file deletion |
-| All | **`wxGetTranslation()` returns `const wxString&` again**, reverting 3.3.2's by-value change | the by-value rule is retired → §3 pitfall |
-| GUI | `wxWebView::Print()` print settings (#26239) and `PrintToPDF()` (#26583); `wxWebViewConfiguration::DisableGPUAcceleration()` (#26626) | `webview-gl-aui-media.md` |
-| GUI | `wxGrid::GetFrozen{Row,Col}LabelWindow()` (#26617); `wxSVGFileDC` accessibility (#26379) and `GetSVGDocument()` (#26344) | `controls-dataview.md`; `wxSVGFileDC` available |
-| wxGTK | Fix regression when using `wxImageList` in high DPI (#26349) | the physical-pixel image-list rule is unchanged (§3) |
-| wxGTK | Fix `wxStaticText` label wrapping | the base `Wrap()` cache is unchanged (§7); only the GTK label wrapping was fixed |
-| wxGTK | Assert when the clipboard has non-ASCII targets fixed (#26263); GTK-without-Wayland build fixed (#26269); high-DPI bitmaps in `wxAboutBox` (#22192) | clipboard |
-| wxMSW | **Light/dark mode switching implemented** (#26516) | see §5: this removes the old "cannot switch at runtime" blocker |
-| wxMSW | `wxMessageDialog` dark mode (#26570); combo/listbox dark mode on Windows 11 (#26535); `wxCheckBox` label in screen readers (#26270); `wxPD_CAN_SKIP` regression (#26287); Direct2D text regression (#26259) | dark-mode and accessibility fixes |
-| wxMSW | Stylus events (#26223); colour emoji via Direct2D (#26657) | available |
-| wxOSX | Data-view icons under macOS 26 (#26374); `wxOverlay` phantoms in Mission Control (#26380); `wxEVT_DATAVIEW_ITEM_EDITING_DONE` value set (#26367); Xcode project for macOS 27 (#26578) | native look and data view |
-
-## 9 3.3.4 notable changes
-
-`changes.txt:295-385`, relative to 3.2.11 (see §1 for the unlisted 3.2.11/3.2.12 fixes).
-
-| Port | Change | Orca relevance |
-|---|---|---|
-| All | `wxString` usable with `{fmt}`/`std::format()` (#27180); `wxPATH_RMDIR_PARENTS`; `fsync()` in `wxTempFile` (#27001); `wxDateTime::GetAsDOS()` after 2038 (#4393); TCP `wxIPC` fixes (#24858) | available |
-| GUI | **Accelerators take priority over the focused window in all ports** (#22630), with the new `wxEVT_ACCELERATOR_KEY` event and the `wxWindow::ClaimsKeyBeforeAccelerator()` override that text controls use to reserve their editing keys (`interface/wx/event.h:1799`, `interface/wx/window.h:4580`) | pitfall below; `mouse-keyboard-focus.md` |
-| GUI | wxGrid: `wxGridCellChoiceEditor` UI fixes (#12094), best size for auto-wrapped rows (#14072), `MakeCellVisible()` with variable row heights (#4371), editor-change crash (#21986) | `controls-dataview.md`; the choice-editor `Combo()` cast rule is unchanged |
-| GUI | AUI: no spurious sash jump on click (#4547); an added pane's best size is respected (#4404) | Plater docking |
-| GUI | `wxListCtrl` (#15411) and `wxStatusBar` (#24305) accessibility; `wxAuiNotebook` selection after a page removal (#9920); `wxPreviewCanvas` crash (#9822); generic `wxCalendarCtrl` background colour (#21885); LunaSVG with filters (#27176) | available; no `wxAuiNotebook` in Orca |
-| wxMSW | **Dark mode can be enabled dynamically** (#26734); dark mode for `wxFontPickerCtrl` (#26667), `wxNotebook` (#26694, #26695), `wxSpinButton` (#26682, #26683) and the common dialogs (#26780) | §5 pitfall; `colours-dark-mode.md` |
-| wxMSW | `wxRenameFile()` no longer copies file attributes (`changes.txt:345-347`, incompatible); Esc closes dialogs used by IME/auto-completion (#16059, #27145); IME handling in wxGrid improved (#24558); `wxPersistent` controls DPI-aware (#18752); non-BMP character input (#27016) | file dialogs, keyboard and IME |
-| wxGTK | Wayland: crash on pointer/seat disconnect fixed (#27069); **AUI panes draggable via system drag sessions** (#26969); **window geometry restorable** via XDG session management (#26324); overlay-scrollbar client size (#26889) | the Wayland gaps are partly narrowed; `webview-gl-aui-media.md` §AUI |
-| wxOSX | `wxEVT_CHAR` key codes fixed for events with Ctrl (#26810); context-menu accessibility (#13010); custom controls in sandboxed `wxFileDialog` (#26908) | `mouse-keyboard-focus.md`; macOS keys |
-
-**Pitfalls**
-
- **Rule:** On every port an accelerator now runs before the focused window handles the key, unless
-  that window claims the key; a custom control that must keep a key over an accelerator overrides
-  `wxWindow::ClaimsKeyBeforeAccelerator()`, or handles `wxEVT_ACCELERATOR_KEY` and calls
-  `UseAccelerator()`.
-  **Why:** before 3.3.4 only wxGTK let the focused window handle the key first; the other ports
-  already gave accelerators priority. 3.3.4 made every port consistent and added the
-  `wxEVT_ACCELERATOR_KEY` event, sent after `wxEVT_CHAR_HOOK` (before it on macOS) to the focus
-  window and propagated to its parents (`interface/wx/event.h:1740-1801`;
-  `interface/wx/window.h:4554-4583`). Text controls, `wxComboBox` and `wxSpinCtrl` reserve their
-  editing keys by overriding `ClaimsKeyBeforeAccelerator()` and returning
-  `wxTextEntryBase::IsUsedForEditing()` (`src/common/textcmn.cpp:136-140`;
-  `src/common/textentrycmn.cpp:441-509`; `src/common/spinctrlcmn.cpp:160-167`;
-  `src/msw/combobox.cpp:389-395`, `src/gtk/combobox.cpp:205-211`), and the GTK accelerator walk now
-  consults it (`src/gtk/window.cpp:1524-1539`). Orca's topbar menus are popups whose accelerators are
-  display-only and Orca dispatches its own shortcuts, so few sites are affected; the macOS
-  `ObjectList` `wxAcceleratorTable` and the wxInspector table are the live ones.
-  Cite: `docs/changes.txt:321`; `mouse-keyboard-focus.md` §Accelerators.
-
-## 10 Migration already done in Orca
-
-The upgrade landed as 8248b06337 ("Updated wxWidgets to 3.3.2", #12941; build system 2d7e26292b) and
-the pin later advanced to upstream 3.3.4. Its PR kept Orca's own MSW dark mode to avoid broader
-changes; wx could then only switch at app start, so a live Orca toggle needed NppDarkMode. Each row is
-a rule for new code; the owning file has the detail.
+The upgrade landed as 8248b06337 ("Updated wxWidgets to 3.3.2", #12941; build system 2d7e26292b).
+Its PR kept Orca's own MSW dark mode to avoid broader changes and because wx's needs an app restart to
+switch. Each row is a rule for new code; the owning file has the detail.

 | Commit | Rule for new code | Where | Owner |
 |---|---|---|---|
@@ -5,6 +5,7 @@ on:
    branches:
     - main
     - release/*
+     - belt-printer
    paths:
     - 'deps/**'
     - 'src/**'
@@ -261,6 +262,9 @@ jobs:
      date:
      ver:
      ver_pure:
+      # Belt-printer nightlies share the main nightly release but carry a `_belt`
+      # suffix so they never overwrite the main assets.
+      nightly_suffix: ${{ github.ref == 'refs/heads/belt-printer' && '_belt' || '' }}
    steps:
    - name: "Remove unneeded stuff to free disk space"
      run:
@@ -435,13 +439,13 @@ jobs:
        name: OrcaSlicer-Linux-flatpak_${{ env.ver }}_${{ matrix.variant.arch }}.flatpak
        path: '/__w/OrcaSlicer/OrcaSlicer/OrcaSlicer-Linux-flatpak_${{ env.ver }}_${{ matrix.variant.arch }}.flatpak'
    - name: Deploy Flatpak to nightly release
-      if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main'
+      if: github.repository == 'OrcaSlicer/OrcaSlicer' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/belt-printer')
      uses: WebFreak001/deploy-nightly@v3.2.0
      with:
        upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}
        release_id: 137995723
        asset_path: /__w/OrcaSlicer/OrcaSlicer/OrcaSlicer-Linux-flatpak_${{ env.ver }}_${{ matrix.variant.arch }}.flatpak
-        asset_name: OrcaSlicer-Linux-flatpak_nightly_${{ matrix.variant.arch }}.flatpak
+        asset_name: OrcaSlicer-Linux-flatpak_nightly${{ env.nightly_suffix }}_${{ matrix.variant.arch }}.flatpak
        asset_content_type: application/octet-stream
        max_releases: 1 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted
    # The asset is /app (the exes link it at runtime) plus the build tree
@@ -33,6 +33,11 @@ jobs:
      ubuntu-ver: '2404'
      ubuntu-ver-str: '_Ubuntu2404'
      ORCA_UPDATER_SIG_KEY: ${{ secrets.ORCA_UPDATER_SIG_KEY }}
+      # Branches whose builds are published to the nightly release. The
+      # belt-printer branch ships alongside main but its assets carry a `_belt`
+      # suffix (nightly_suffix) so they never overwrite the main nightly assets.
+      deploy_nightly: ${{ github.ref == 'refs/heads/main' || github.ref == 'refs/heads/belt-printer' }}
+      nightly_suffix: ${{ github.ref == 'refs/heads/belt-printer' && '_belt' || '' }}

    steps:
      - name: Checkout
@@ -255,7 +260,7 @@ jobs:

 # Thanks to RaySajuuk, it's working now
      - name: Sign app and notary
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/release/')) && runner.os == 'macOS' && inputs.macos-combine-only
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/belt-printer' || startsWith(github.ref, 'refs/heads/release/')) && runner.os == 'macOS' && inputs.macos-combine-only
        timeout-minutes: 30
        working-directory: ${{ github.workspace }}
        env:
@@ -343,7 +348,7 @@ jobs:
          fi

      - name: Create DMG without notary
-        if: github.ref != 'refs/heads/main' && runner.os == 'macOS' && inputs.macos-combine-only
+        if: github.ref != 'refs/heads/main' && github.ref != 'refs/heads/belt-printer' && runner.os == 'macOS' && inputs.macos-combine-only
        working-directory: ${{ github.workspace }}
        run: |
          # Load the `retry` helper (retries flaky commands such as `hdiutil create`).
@@ -389,13 +394,13 @@ jobs:
          if-no-files-found: ignore

      - name: Deploy Mac release
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && runner.os == 'macOS' && inputs.macos-combine-only && !vars.SELF_HOSTED
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && env.deploy_nightly == 'true' && runner.os == 'macOS' && inputs.macos-combine-only && !vars.SELF_HOSTED
        uses: WebFreak001/deploy-nightly@v3.2.0
        with:
          upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}
          release_id: 137995723
          asset_path: ${{ github.workspace }}/OrcaSlicer_Mac_universal_${{ env.ver }}.dmg
-          asset_name: OrcaSlicer_Mac_universal_nightly.dmg
+          asset_name: OrcaSlicer_Mac_universal_nightly${{ env.nightly_suffix }}.dmg
          asset_content_type: application/octet-stream
          max_releases: 1 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted

@@ -538,24 +543,24 @@ jobs:
          path: ${{ github.workspace }}/build/src/Release/OrcaSlicer_profile_validator.exe

      - name: Deploy Windows release portable
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && runner.os == 'Windows' && !vars.SELF_HOSTED
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && env.deploy_nightly == 'true' && runner.os == 'Windows' && !vars.SELF_HOSTED
        uses: WebFreak001/deploy-nightly@v3.2.0
        with:
          upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}
          release_id: 137995723
          asset_path: ${{ github.workspace }}/${{ env.BUILD_DIR }}/OrcaSlicer_Windows_${{ env.ver }}${{ env.ARCH_SUFFIX }}_portable.zip
-          asset_name: OrcaSlicer_Windows${{ env.ARCH_SUFFIX }}_nightly_portable.zip
+          asset_name: OrcaSlicer_Windows${{ env.ARCH_SUFFIX }}_nightly${{ env.nightly_suffix }}_portable.zip
          asset_content_type: application/x-zip-compressed
          max_releases: 1

      - name: Deploy Windows release installer
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && runner.os == 'Windows' && !vars.SELF_HOSTED
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && env.deploy_nightly == 'true' && runner.os == 'Windows' && !vars.SELF_HOSTED
        uses: WebFreak001/deploy-nightly@v3.2.0
        with:
          upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}
          release_id: 137995723
          asset_path: ${{ github.workspace }}/${{ env.BUILD_DIR }}/OrcaSlicer_Windows_Installer_${{ env.ver }}${{ env.ARCH_SUFFIX }}.exe
-          asset_name: OrcaSlicer_Windows_Installer${{ env.ARCH_SUFFIX }}_nightly.exe
+          asset_name: OrcaSlicer_Windows_Installer${{ env.ARCH_SUFFIX }}_nightly${{ env.nightly_suffix }}.exe
          asset_content_type: application/x-msdownload
          max_releases: 1

@@ -696,20 +701,23 @@ jobs:
          path: './build/src/dev-utils/Release/generate_system_cache'

      - name: Deploy Ubuntu release
-        if: ${{ github.repository == 'OrcaSlicer/OrcaSlicer' && ! env.ACT && github.ref == 'refs/heads/main' && runner.os == 'Linux' && !vars.SELF_HOSTED }}
+        if: ${{ github.repository == 'OrcaSlicer/OrcaSlicer' && ! env.ACT && env.deploy_nightly == 'true' && runner.os == 'Linux' && !vars.SELF_HOSTED }}
        uses: WebFreak001/deploy-nightly@v3.2.0
        with:
          upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}
          release_id: 137995723
          asset_path: ./build/OrcaSlicer_Linux_AppImage${{ env.ubuntu-ver-str }}${{ env.arch_suffix }}_${{ env.ver }}.AppImage
-          asset_name: OrcaSlicer_Linux_AppImage${{ env.ubuntu-ver-str }}${{ env.arch_suffix }}_nightly.AppImage
+          asset_name: OrcaSlicer_Linux_AppImage${{ env.ubuntu-ver-str }}${{ env.arch_suffix }}_nightly${{ env.nightly_suffix }}.AppImage
          asset_content_type: application/octet-stream
          max_releases: 1 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted
      - name: Deploy Ubuntu release
        if: ${{ github.repository == 'OrcaSlicer/OrcaSlicer' && ! env.ACT && github.ref == 'refs/heads/main' && runner.os == 'Linux' && !vars.SELF_HOSTED && inputs.arch != 'aarch64' }}
-        run: |
-          git -c user.name="${GITHUB_ACTOR}" -c user.email="${GITHUB_ACTOR}@users.noreply.github.com" tag -f -a nightly-builds "${GITHUB_SHA}" -m nightly-builds
-          git push -f origin refs/tags/nightly-builds
+        uses: rickstaa/action-create-tag@v1
+        with:
+          tag: "nightly-builds"
+          tag_exists_error: false
+          force_push_tag: true
+          message: "nightly-builds"

      - name: Deploy Ubuntu OrcaSlicer_profile_validator release
        if: ${{ github.repository == 'OrcaSlicer/OrcaSlicer' && ! env.ACT && github.ref == 'refs/heads/main' && runner.os == 'Linux' && !vars.SELF_HOSTED && inputs.arch != 'aarch64' }}
@@ -74,26 +74,12 @@ jobs:
          set +e
          ./OrcaSlicer_profile_validator -p ${{ github.workspace }}/resources/profiles -l 2 2>&1 | tee ${{ runner.temp }}/validate_system.log
          exit ${PIPESTATUS[0]}
-      # The validator above is the nightly build of main, so it cannot slice profiles that use
-      # settings a PR adds to the engine: it reports their placeholders as undefined. A PR that
-      # changes src/ also runs Build all, whose Slice check runs this same sweep with the
-      # validator built from the PR, so the sweep below only runs for the other PRs.
-      - name: Detect engine changes
-        id: engine_changes
-        if: ${{ github.event_name == 'pull_request' }}
-        run: |
-          base=${{ github.event.pull_request.base.sha }}
-          if git fetch --no-tags --depth=1 origin "$base" && ! git diff --quiet "$base" HEAD -- src/; then
-            echo "changed=true" >> "$GITHUB_OUTPUT"
-            echo "::notice::This PR changes src/, so Build all's Slice check slices the profiles with the PR-built validator."
-          fi
      # Slice a two-colour cube through every printer, and through every system process/filament whose
      # templates no printer's own slice reaches, so every custom g-code and filename_format shipped is
      # expanded (names in {if} branches not taken included) - catches undefined-placeholder /
      # invalid-flow bugs the static checks above cannot see.
      - name: validate slice (expand custom g-code)
        id: validate_slice
-        if: ${{ steps.engine_changes.outputs.changed != 'true' }}
        continue-on-error: true
        run: |
          set +e
@@ -156,7 +156,7 @@ jobs:
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends \
-            libopengl0 libgl1 libegl1 libwebkit2gtk-4.1-0
+            libopengl0 libglu1-mesa libgl1 libegl1 libwebkit2gtk-4.1-0

      - uses: actions/setup-python@v6
        with:
@@ -224,7 +224,7 @@ jobs:
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends \
            xvfb xdotool imagemagick openbox mesa-utils \
-            libopengl0 libgl1 libegl1 libwebkit2gtk-4.1-0
+            libopengl0 libglu1-mesa libgl1 libegl1 libwebkit2gtk-4.1-0

      - name: Run the parity harness
        run: |
@@ -68,10 +68,6 @@ If you come across any of these in search results, please <b>report them</b> as
  Regular updates fueled by continuous community contributions.
 - **Wide Printer Compatibility**  
  Supports a broad range of printers: Bambu Lab, Prusa, Creality, Voron, and more.
- **[Belt Printer Support](https://www.orcaslicer.com/wiki/belt_printing)**  
-  Slice for belt / conveyor (infinite-Z) printers, with belt-aware supports and a tilted-bed preview. Contributed by [Joseph Robertson (@HarrierPigeon)](https://github.com/HarrierPigeon).
- **[IDEX/IQEX Parallel Printing Support](https://www.orcaslicer.com/wiki/idex_iqex_parallel_printing)**  
-  Print copies or mirror images of a part on every carriage of an IDEX or IQEX printer at once, with the mode chosen per plate and nozzle clearance zones shown on the bed. Contributed by [Clifford (@cgarwood82)](https://github.com/cgarwood82).
 - Additional features can be found in the [change notes](https://github.com/OrcaSlicer/OrcaSlicer/releases/).

 # Wiki
@@ -93,6 +89,17 @@ Visit our GitHub Releases page for the latest stable version of OrcaSlicer, reco
 🌙 **[Download the Latest Nightly Build](https://github.com/OrcaSlicer/OrcaSlicer/releases/tag/nightly-builds)**  
 Explore the latest developments in OrcaSlicer with our nightly builds. Feedback on these versions is highly appreciated.

+### Belt Printer Builds
+
+The [nightly release](https://github.com/OrcaSlicer/OrcaSlicer/releases/tag/nightly-builds) ships **two parallel builds**: the standard build and a belt-printer build. Both are attached to the same release — tell them apart by the filename suffix:
+
+- **Standard** — no suffix (e.g. `OrcaSlicer_Windows_Installer_x64_nightly.exe`)
+- **Belt** — `_belt` suffix (e.g. `OrcaSlicer_Windows_Installer_x64_nightly_belt.exe`)
+
+The `_belt` builds add **experimental support for belt / conveyor (infinite-Z) printers**, where the model is sliced against a tilted belt surface instead of a flat horizontal bed. They include ready-to-use belt printer profiles, the full belt slicing pipeline (mesh rotation and G-code transforms), belt-aware support generation, and a tilted-bed preview.
+
+> ⚠️ Belt printer support is under active development and is **not yet merged into `main`** — it currently ships only in these parallel `_belt` builds, produced from the [`belt-printer`](https://github.com/OrcaSlicer/OrcaSlicer/tree/belt-printer) branch. See tracking PR [#14394](https://github.com/OrcaSlicer/OrcaSlicer/pull/14394) and the original documentation in [#12998](https://github.com/OrcaSlicer/OrcaSlicer/pull/12998).
+
 # How to install

 ## Windows
@@ -0,0 +1,359 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+# PrusaSlicer specifics:
+# This file is backported from CMake 3.15 distribution to behave uniformly
+# across all versions of CMake. It explicitly adds GLEW_STATIC compile 
+# definition to static targets which is needed to prevent link errors.
+
+#[=======================================================================[.rst:
+FindGLEW
+--------
+
+Find the OpenGL Extension Wrangler Library (GLEW)
+
+Input Variables
+^^^^^^^^^^^^^^^
+
+The following variables may be set to influence this module’s behavior:
+
+``GLEW_USE_STATIC_LIBS``
+  to find and create :prop_tgt:`IMPORTED` target for static linkage.
+
+``GLEW_VERBOSE``
+  to output a detailed log of this module.
+
+Imported Targets
+^^^^^^^^^^^^^^^^
+
+This module defines the following :ref:`Imported Targets <Imported Targets>`:
+
+
+``GLEW::glew``
+  The GLEW shared library.
+``GLEW::glew_s``
+  The GLEW static library, if ``GLEW_USE_STATIC_LIBS`` is set to ``TRUE``.
+``GLEW::GLEW``
+  Duplicates either ``GLEW::glew`` or ``GLEW::glew_s`` based on availability.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This module defines the following variables:
+
+``GLEW_INCLUDE_DIRS``
+  include directories for GLEW
+``GLEW_LIBRARIES``
+  libraries to link against GLEW
+``GLEW_SHARED_LIBRARIES``
+  libraries to link against shared GLEW
+``GLEW_STATIC_LIBRARIES``
+  libraries to link against static GLEW
+``GLEW_FOUND``
+  true if GLEW has been found and can be used
+``GLEW_VERSION``
+  GLEW version
+``GLEW_VERSION_MAJOR``
+  GLEW major version
+``GLEW_VERSION_MINOR``
+  GLEW minor version
+``GLEW_VERSION_MICRO``
+  GLEW micro version
+
+#]=======================================================================]
+
+include(FindPackageHandleStandardArgs)
+
+
+if(APPLE)
+  find_package(OpenGL QUIET)
+
+  if(OpenGL_FOUND)
+    if(GLEW_VERBOSE)
+      message(STATUS "FindGLEW: Found OpenGL Framework.")
+      message(STATUS "FindGLEW: OPENGL_LIBRARIES: ${OPENGL_LIBRARIES}")
+    endif()
+  else()
+    if(GLEW_VERBOSE)
+      message(STATUS "FindGLEW: could not find GLEW library.")
+    endif()
+    return()
+  endif()
+endif()
+
+
+function(__glew_set_find_library_suffix shared_or_static)
+  if((UNIX AND NOT APPLE) AND "${shared_or_static}" MATCHES "SHARED")
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ".so")
+  elseif((UNIX AND NOT APPLE) AND "${shared_or_static}" MATCHES "STATIC")
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
+  elseif(APPLE AND "${shared_or_static}" MATCHES "SHARED")
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib;.so")
+  elseif(APPLE AND "${shared_or_static}" MATCHES "STATIC")
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
+  elseif(WIN32 AND "${shared_or_static}" MATCHES "SHARED")
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib")
+  elseif(WIN32 AND "${shared_or_static}" MATCHES "STATIC")
+    set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.a;.dll.a")
+  endif()
+
+  set(CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_FIND_LIBRARY_SUFFIXES}" PARENT_SCOPE)
+  if(GLEW_VERBOSE)
+    message(STATUS "FindGLEW: CMAKE_FIND_LIBRARY_SUFFIXES for ${shared_or_static}: ${CMAKE_FIND_LIBRARY_SUFFIXES}")
+  endif()
+endfunction()
+
+
+if(GLEW_VERBOSE)
+  if(DEFINED GLEW_USE_STATIC_LIBS)
+    message(STATUS "FindGLEW: GLEW_USE_STATIC_LIBS: ${GLEW_USE_STATIC_LIBS}.")
+  else()
+    message(STATUS "FindGLEW: GLEW_USE_STATIC_LIBS is undefined. Treated as FALSE.")
+  endif()
+endif()
+
+find_path(GLEW_INCLUDE_DIR GL/glew.h)
+mark_as_advanced(GLEW_INCLUDE_DIR)
+
+set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR})
+
+if(GLEW_VERBOSE)
+  message(STATUS "FindGLEW: GLEW_INCLUDE_DIR: ${GLEW_INCLUDE_DIR}")
+  message(STATUS "FindGLEW: GLEW_INCLUDE_DIRS: ${GLEW_INCLUDE_DIRS}")
+endif()
+
+if("${CMAKE_GENERATOR_PLATFORM}" MATCHES "x64" OR "${CMAKE_GENERATOR}" MATCHES "Win64")
+  set(_arch "x64")
+elseif("${CMAKE_GENERATOR_PLATFORM}" MATCHES "ARM64")
+  set(_arch "x64")  # GLEW ships one header set; ARM64 uses the x64 import path
+else()
+  set(_arch "Win32")
+endif()
+
+
+set(__GLEW_CURRENT_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
+
+__glew_set_find_library_suffix(SHARED)
+
+find_library(GLEW_SHARED_LIBRARY_RELEASE
+             NAMES GLEW glew glew32
+             PATH_SUFFIXES lib lib64 libx32 lib/Release/${_arch}
+             PATHS ENV GLEW_ROOT)
+
+find_library(GLEW_SHARED_LIBRARY_DEBUG
+             NAMES GLEWd glewd glew32d
+             PATH_SUFFIXES lib lib64
+             PATHS ENV GLEW_ROOT)
+
+
+__glew_set_find_library_suffix(STATIC)
+
+find_library(GLEW_STATIC_LIBRARY_RELEASE
+             NAMES GLEW glew glew32s
+             PATH_SUFFIXES lib lib64 libx32 lib/Release/${_arch}
+             PATHS ENV GLEW_ROOT)
+
+find_library(GLEW_STATIC_LIBRARY_DEBUG
+             NAMES GLEWds GLEWd glewd glewds glew32ds
+             PATH_SUFFIXES lib lib64
+             PATHS ENV GLEW_ROOT)
+
+set(CMAKE_FIND_LIBRARY_SUFFIXES ${__GLEW_CURRENT_FIND_LIBRARY_SUFFIXES})
+unset(__GLEW_CURRENT_FIND_LIBRARY_SUFFIXES)
+
+include(SelectLibraryConfigurations)
+
+select_library_configurations(GLEW_SHARED)
+select_library_configurations(GLEW_STATIC)
+
+if(NOT GLEW_USE_STATIC_LIBS)
+  set(GLEW_LIBRARIES ${GLEW_SHARED_LIBRARY})
+else()
+  set(GLEW_LIBRARIES ${GLEW_STATIC_LIBRARY})
+endif()
+
+
+if(GLEW_VERBOSE)
+  message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY_RELEASE: ${GLEW_SHARED_LIBRARY_RELEASE}")
+  message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY_RELEASE: ${GLEW_STATIC_LIBRARY_RELEASE}")
+  message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY_DEBUG: ${GLEW_SHARED_LIBRARY_DEBUG}")
+  message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY_DEBUG: ${GLEW_STATIC_LIBRARY_DEBUG}")
+  message(STATUS "FindGLEW: GLEW_SHARED_LIBRARY: ${GLEW_SHARED_LIBRARY}")
+  message(STATUS "FindGLEW: GLEW_STATIC_LIBRARY: ${GLEW_STATIC_LIBRARY}")
+  message(STATUS "FindGLEW: GLEW_LIBRARIES: ${GLEW_LIBRARIES}")
+endif()
+
+
+# Read version from GL/glew.h file
+if(EXISTS "${GLEW_INCLUDE_DIR}/GL/glew.h")
+  file(STRINGS "${GLEW_INCLUDE_DIR}/GL/glew.h" _contents REGEX "^VERSION_.+ [0-9]+")
+  if(_contents)
+    string(REGEX REPLACE ".*VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MAJOR "${_contents}")
+    string(REGEX REPLACE ".*VERSION_MINOR[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MINOR "${_contents}")
+    string(REGEX REPLACE ".*VERSION_MICRO[ \t]+([0-9]+).*" "\\1" GLEW_VERSION_MICRO "${_contents}")
+    set(GLEW_VERSION "${GLEW_VERSION_MAJOR}.${GLEW_VERSION_MINOR}.${GLEW_VERSION_MICRO}")
+  endif()
+endif()
+
+if(GLEW_VERBOSE)
+  message(STATUS "FindGLEW: GLEW_VERSION_MAJOR: ${GLEW_VERSION_MAJOR}")
+  message(STATUS "FindGLEW: GLEW_VERSION_MINOR: ${GLEW_VERSION_MINOR}")
+  message(STATUS "FindGLEW: GLEW_VERSION_MICRO: ${GLEW_VERSION_MICRO}")
+  message(STATUS "FindGLEW: GLEW_VERSION: ${GLEW_VERSION}")
+endif()
+
+find_package_handle_standard_args(GLEW
+                                  REQUIRED_VARS GLEW_INCLUDE_DIRS GLEW_LIBRARIES
+                                  VERSION_VAR GLEW_VERSION)
+
+if(NOT GLEW_FOUND)
+  if(GLEW_VERBOSE)
+    message(STATUS "FindGLEW: could not find GLEW library.")
+  endif()
+  return()
+endif()
+
+
+if(NOT TARGET GLEW::glew AND NOT GLEW_USE_STATIC_LIBS)
+  if(GLEW_VERBOSE)
+    message(STATUS "FindGLEW: Creating GLEW::glew imported target.")
+  endif()
+
+  add_library(GLEW::glew UNKNOWN IMPORTED)
+
+  set_target_properties(GLEW::glew
+                        PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
+
+  if(APPLE)
+    if(CMAKE_VERSION VERSION_GREATER_EQUAL "4.0")
+      set_target_properties(GLEW::glew
+                            PROPERTIES INTERFACE_LINK_LIBRARIES "-framework OpenGL")
+    else()
+      set_target_properties(GLEW::glew
+                            PROPERTIES INTERFACE_LINK_LIBRARIES OpenGL::GL)
+    endif()
+  endif()
+
+  if(GLEW_SHARED_LIBRARY_RELEASE)
+    set_property(TARGET GLEW::glew
+                 APPEND
+                 PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+
+    set_target_properties(GLEW::glew
+                          PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_SHARED_LIBRARY_RELEASE}")
+  endif()
+
+  if(GLEW_SHARED_LIBRARY_DEBUG)
+    set_property(TARGET GLEW::glew
+                 APPEND
+                 PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+
+    set_target_properties(GLEW::glew
+                          PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_SHARED_LIBRARY_DEBUG}")
+  endif()
+
+elseif(NOT TARGET GLEW::glew_s AND GLEW_USE_STATIC_LIBS)
+  if(GLEW_VERBOSE)
+    message(STATUS "FindGLEW: Creating GLEW::glew_s imported target.")
+  endif()
+
+  add_library(GLEW::glew_s UNKNOWN IMPORTED)
+
+  set_target_properties(GLEW::glew_s
+                        PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
+
+  set_target_properties(GLEW::glew_s PROPERTIES INTERFACE_COMPILE_DEFINITIONS GLEW_STATIC)
+
+  if(APPLE)
+    if(CMAKE_VERSION VERSION_GREATER_EQUAL "4.0")
+      set_target_properties(GLEW::glew_s
+                            PROPERTIES INTERFACE_LINK_LIBRARIES "-framework OpenGL")
+    else()
+      set_target_properties(GLEW::glew_s
+                            PROPERTIES INTERFACE_LINK_LIBRARIES OpenGL::GL)
+    endif()
+  endif()
+
+  if(GLEW_STATIC_LIBRARY_RELEASE)
+    set_property(TARGET GLEW::glew_s
+                 APPEND
+                 PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+
+    set_target_properties(GLEW::glew_s
+                          PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_STATIC_LIBRARY_RELEASE}")
+  endif()
+
+  if(GLEW_STATIC_LIBRARY_DEBUG)
+    set_property(TARGET GLEW::glew_s
+                 APPEND
+                 PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+
+    set_target_properties(GLEW::glew_s
+                          PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_STATIC_LIBRARY_DEBUG}")
+  endif()
+endif()
+
+if(NOT TARGET GLEW::GLEW)
+  if(GLEW_VERBOSE)
+    message(STATUS "FindGLEW: Creating GLEW::GLEW imported target.")
+  endif()
+
+  add_library(GLEW::GLEW UNKNOWN IMPORTED)
+
+  set_target_properties(GLEW::GLEW
+                        PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
+
+  if(APPLE)
+    if(CMAKE_VERSION VERSION_GREATER_EQUAL "4.0")
+      set_target_properties(GLEW::GLEW
+                            PROPERTIES INTERFACE_LINK_LIBRARIES "-framework OpenGL")
+    else()
+      set_target_properties(GLEW::GLEW
+                            PROPERTIES INTERFACE_LINK_LIBRARIES OpenGL::GL)
+    endif()
+  endif()
+
+  if(TARGET GLEW::glew)
+    if(GLEW_SHARED_LIBRARY_RELEASE)
+      set_property(TARGET GLEW::GLEW
+                   APPEND
+                   PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+
+      set_target_properties(GLEW::GLEW
+                            PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_SHARED_LIBRARY_RELEASE}")
+    endif()
+
+    if(GLEW_SHARED_LIBRARY_DEBUG)
+      set_property(TARGET GLEW::GLEW
+                   APPEND
+                   PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+
+      set_target_properties(GLEW::GLEW
+                            PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_SHARED_LIBRARY_DEBUG}")
+    endif()
+
+  elseif(TARGET GLEW::glew_s)
+    if(GLEW_STATIC_LIBRARY_RELEASE)
+      set_property(TARGET GLEW::GLEW
+                   APPEND
+                   PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+
+      set_target_properties(GLEW::GLEW
+                            PROPERTIES IMPORTED_LOCATION_RELEASE "${GLEW_STATIC_LIBRARY_RELEASE}"
+                                       INTERFACE_COMPILE_DEFINITIONS GLEW_STATIC)
+    endif()
+
+    if(GLEW_STATIC_LIBRARY_DEBUG AND GLEW_USE_STATIC_LIBS)
+      set_property(TARGET GLEW::GLEW
+                   APPEND
+                   PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+
+      set_target_properties(GLEW::GLEW
+                            PROPERTIES IMPORTED_LOCATION_DEBUG "${GLEW_STATIC_LIBRARY_DEBUG}"
+                                       INTERFACE_COMPILE_DEFINITIONS GLEW_STATIC)
+    endif()
+
+  elseif(GLEW_VERBOSE)
+    message(WARNING "FindGLEW: no `GLEW::glew` or `GLEW::glew_s` target was created. Something went wrong in FindGLEW target creation.")
+  endif()
+endif()
@@ -379,8 +379,10 @@ include(Boost/Boost.cmake)

 include(Cereal/Cereal.cmake)
 include(Qhull/Qhull.cmake)
+include(GLEW/GLEW.cmake)

 include(GLFW/GLFW.cmake)
+include(OpenCSG/OpenCSG.cmake)
 set(SLVS_PKG "")
 if (SLIC3R_CAD)
    include(SLVS/SLVS.cmake)
@@ -476,6 +478,7 @@ set(_dep_list
    dep_Draco
    dep_NLopt
    dep_OpenVDB
+    dep_OpenCSG
    ${SLVS_PKG}
    dep_OpenCV
    dep_Eigen
@@ -1,4 +1,6 @@
 orcaslicer_add_cmake_project(EXPAT
+  # GIT_REPOSITORY https://github.com/nigels-com/glew.git
+  # GIT_TAG 3a8eff7 # 2.1.0
  SOURCE_DIR          ${CMAKE_CURRENT_LIST_DIR}/expat
 )

@@ -0,0 +1,14 @@
+# We have to check for OpenGL to compile GLEW
+set(OpenGL_GL_PREFERENCE "LEGACY") # to prevent a nasty warning by cmake
+find_package(OpenGL QUIET REQUIRED)
+
+orcaslicer_add_cmake_project(
+  GLEW
+  SOURCE_DIR  ${CMAKE_CURRENT_LIST_DIR}/glew
+  CMAKE_ARGS
+    -DGLEW_USE_EGL=OFF
+)
+
+if (MSVC)
+    add_debug_dep(dep_GLEW)
+endif ()
@@ -0,0 +1,44 @@
+cmake_minimum_required(VERSION 3.0)
+project(GLEW)
+
+find_package(OpenGL REQUIRED)
+
+# Allow parent project to control EGL usage.
+# Default to OFF since OrcaSlicer forces GDK_BACKEND=x11 (using GLX contexts).
+# GLEW must use glXGetProcAddressARB (GLX) to match wxWidgets GL canvas.
+# Using EGL function loading with GLX contexts causes rendering failures.
+option(GLEW_USE_EGL "Use EGL instead of GLX for OpenGL function loading" OFF)
+
+if(GLEW_USE_EGL)
+    message(STATUS "Building GLEW with EGL support")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DGLEW_EGL")
+else()
+    message(STATUS "Building GLEW with GLX support")
+endif()
+
+add_library(GLEW src/glew.c)
+target_include_directories(GLEW PRIVATE include/)
+target_link_libraries(GLEW PUBLIC OpenGL::GL)
+
+if (NOT BUILD_SHARED_LIBS)
+    target_compile_definitions(GLEW PUBLIC GLEW_STATIC)
+endif ()
+
+include(GNUInstallDirs)
+
+install( 
+    FILES
+        ${PROJECT_SOURCE_DIR}/include/GL/glew.h
+        ${PROJECT_SOURCE_DIR}/include/GL/wglew.h
+        ${PROJECT_SOURCE_DIR}/include/GL/glxew.h
+        ${PROJECT_SOURCE_DIR}/include/GL/eglew.h
+    DESTINATION
+        ${CMAKE_INSTALL_INCLUDEDIR}/GL
+)
+
+install(TARGETS GLEW GLEW
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)
@@ -0,0 +1,73 @@
+The OpenGL Extension Wrangler Library
+Copyright (C) 2002-2007, Milan Ikits <milan ikits[]ieee org>
+Copyright (C) 2002-2007, Marcelo E. Magallon <mmagallo[]debian org>
+Copyright (C) 2002, Lev Povalahev
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without 
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, 
+  this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice, 
+  this list of conditions and the following disclaimer in the documentation 
+  and/or other materials provided with the distribution.
+* The name of the author may be used to endorse or promote products 
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Mesa 3-D graphics library
+Version:  7.0
+
+Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+Copyright (c) 2007 The Khronos Group Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and/or associated documentation files (the
+"Materials"), to deal in the Materials without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Materials, and to
+permit persons to whom the Materials are furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Materials.
+
+THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
@@ -0,0 +1,251 @@
+# GLEW - The OpenGL Extension Wrangler Library
+
+The OpenGL Extension Wrangler Library (GLEW) is a cross-platform open-source C/C++ extension loading library. GLEW provides efficient run-time mechanisms for determining which OpenGL extensions are supported on the target platform. OpenGL core and extension functionality is exposed in a single header file. GLEW has been tested on a variety of operating systems, including Windows, Linux, Mac OS X, FreeBSD, Irix, and Solaris.
+
+![](http://glew.sourceforge.net/glew.png)
+
+http://glew.sourceforge.net/
+
+https://github.com/nigels-com/glew
+
+[![Build Status](https://travis-ci.org/nigels-com/glew.svg?branch=master)](https://travis-ci.org/nigels-com/glew)
+[![Gitter](https://badges.gitter.im/nigels-com/glew.svg)](https://gitter.im/nigels-com/glew?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+[![Download](https://img.shields.io/sourceforge/dm/glew.svg)](https://sourceforge.net/projects/glew/files/latest/download)
+
+## Table of Contents
+
+* [Downloads](#downloads)
+	* [Recent snapshots](#recent-snapshots)
+* [Build](#build)
+	* [Linux and Mac](#linux-and-mac)
+		* [Using GNU Make](#using-gnu-make)
+		* [Install build tools](#install-build-tools)
+		* [Build](#build-1)
+		* [Linux EGL](#linux-egl)
+		* [Linux mingw-w64](#linux-mingw-w64)
+	* [Using cmake](#using-cmake)
+		* [Install build tools](#install-build-tools-1)
+		* [Build](#build-2)
+	* [Windows](#windows)
+		* [Visual Studio](#visual-studio)
+		* [MSYS/Mingw](#msysmingw)
+		* [MSYS2/Mingw-w64](#msys2mingw-w64)
+* [glewinfo](#glewinfo)
+* [Code Generation](#code-generation)
+* [Authors](#authors)
+* [Contributions](#contributions)
+* [Copyright and Licensing](#copyright-and-licensing)
+
+## Downloads
+
+Current release is [2.1.0](https://sourceforge.net/projects/glew/files/glew/2.1.0/).
+[(Change Log)](http://glew.sourceforge.net/log.html)
+
+Sources available as
+[ZIP](https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0.zip/download) or
+[TGZ](https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0.tgz/download).
+
+Windows binaries for [32-bit and 64-bit](https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0-win32.zip/download).
+
+### Recent snapshots
+
+Snapshots may contain new features, bug-fixes or new OpenGL extensions ahead of tested, official releases.
+
+[glew-20200115.tgz](https://sourceforge.net/projects/glew/files/glew/snapshots/glew-20200115.tgz/download) *GLEW 2.2.0 RC3: fixes*
+
+[glew-20190928.tgz](https://sourceforge.net/projects/glew/files/glew/snapshots/glew-20190928.tgz/download) *GLEW 2.2.0 RC2: New extensions, bug fixes*
+
+## Build
+
+It is highly recommended to build from a tgz or zip release snapshot.
+The code generation workflow is a complex brew of gnu make, perl and python, that works best on Linux or Mac.
+The code generation is known to work on Windows using [MSYS2](https://www.msys2.org/).
+For most end-users of GLEW the official releases are the best choice, with first class support.
+
+### Linux and Mac
+
+#### Using GNU Make
+
+GNU make is the primary build system for GLEW, historically.
+It includes targets for building the sources and headers, for maintenance purposes.
+
+##### Install build tools
+
+Debian/Ubuntu/Mint:    `$ sudo apt-get install build-essential libxmu-dev libxi-dev libgl-dev`
+
+RedHat/CentOS/Fedora:  `$ sudo yum install libXmu-devel libXi-devel libGL-devel`
+
+FreeBSD: `# pkg install xorg lang/gcc git cmake gmake bash python perl5`
+
+##### Build
+
+	$ make
+	$ sudo make install
+	$ make clean
+
+Targets:    `all, glew.lib (sub-targets: glew.lib.shared, glew.lib.static), glew.bin, clean, install, uninstall`
+
+Variables:  `SYSTEM=linux-clang, GLEW_DEST=/usr/local, STRIP=`
+
+_Note: you may need to call `make` in the  **auto** folder first_
+
+##### Linux EGL
+
+	$ sudo apt install libegl1-mesa-dev
+	$ make SYSTEM=linux-egl
+
+##### Linux mingw-w64
+
+	$ sudo apt install mingw-w64
+	$ make SYSTEM=linux-mingw32
+	$ make SYSTEM=linux-mingw64
+
+#### Using cmake
+
+The cmake build is mostly contributer maintained.
+Due to the multitude of use cases this is maintained on a _best effort_ basis.
+Pull requests are welcome.
+
+*CMake 2.8.12 or higher is required.*
+
+##### Install build tools
+
+Debian/Ubuntu/Mint:   `$ sudo apt-get install build-essential libxmu-dev libxi-dev libgl-dev cmake git`
+
+RedHat/CentOS/Fedora: `$ sudo yum install libXmu-devel libXi-devel libGL-devel cmake git`
+
+##### Build
+
+	$ cd build
+	$ cmake ./cmake
+	$ make -j4
+
+| Target     | Description |
+| ---------- | ----------- |
+| glew       | Build the glew shared library. |
+| glew_s     | Build the glew static library. |
+| glewinfo   | Build the `glewinfo` executable (requires `BUILD_UTILS` to be `ON`). |
+| visualinfo | Build the `visualinfo` executable (requires `BUILD_UTILS` to be `ON`). |
+| install    | Install all enabled targets into `CMAKE_INSTALL_PREFIX`. |
+| clean      | Clean up build artifacts. |
+| all        | Build all enabled targets (default target). |
+
+| Variables       | Description |
+| --------------- | ----------- |
+| BUILD_UTILS     | Build the `glewinfo` and `visualinfo` executables. |
+| GLEW_REGAL      | Build in Regal mode. |
+| BUILD_FRAMEWORK | Build as MacOSX Framework.  Setting `CMAKE_INSTALL_PREFIX` to `/Library/Frameworks` is recommended. |
+
+### Windows
+
+#### Visual Studio
+
+Use the provided Visual Studio project file in build/vc15/
+
+Projects for vc6, vc10, vc12 and vc14 are also provided
+
+#### MSYS/Mingw
+
+Available from [Mingw](http://www.mingw.org/)
+
+Requirements: bash, make, gcc
+
+	$ mingw32-make
+	$ mingw32-make install
+	$ mingw32-make install.all
+
+Alternative toolchain:  `SYSTEM=mingw-win32`
+
+#### MSYS2/Mingw-w64
+
+Available from [Msys2](http://msys2.github.io/) and/or [Mingw-w64](http://mingw-w64.org/)
+
+Requirements: bash, make, gcc
+
+	$ pacman -S gcc make mingw-w64-i686-gcc mingw-w64-x86_64-gcc
+	$ make
+	$ make install
+	$ make install.all
+
+Alternative toolchain:  `SYSTEM=msys, SYSTEM=msys-win32, SYSTEM=msys-win64`
+
+## glewinfo
+
+`glewinfo` is a command-line tool useful for inspecting the capabilities of an
+OpenGL implementation and GLEW support for that.  Please include `glewinfo.txt`
+with bug reports, as appropriate.
+
+	---------------------------
+	    GLEW Extension Info
+	---------------------------
+
+	GLEW version 2.0.0
+	Reporting capabilities of pixelformat 3
+	Running on a Intel(R) HD Graphics 3000 from Intel
+	OpenGL version 3.1.0 - Build 9.17.10.4229 is supported
+
+	GL_VERSION_1_1:                                                OK
+	---------------
+
+	GL_VERSION_1_2:                                                OK
+	---------------
+	  glCopyTexSubImage3D:                                         OK
+	  glDrawRangeElements:                                         OK
+	  glTexImage3D:                                                OK
+	  glTexSubImage3D:                                             OK
+
+	...
+
+## Code Generation
+
+A Unix or Mac environment is needed for building GLEW from scratch to
+include new extensions, or customize the code generation. The extension
+data is regenerated from the top level source directory with:
+
+	make extensions
+
+An alternative to generating the GLEW sources from scratch is to
+download a pre-generated (unsupported) snapshot:
+
+https://sourceforge.net/projects/glew/files/glew/snapshots/
+
+## Authors
+
+GLEW is currently maintained by [Nigel Stewart](https://github.com/nigels-com)
+with bug fixes, new OpenGL extension support and new releases.
+
+GLEW was developed by [Milan Ikits](http://www.cs.utah.edu/~ikits/)
+and [Marcelo Magallon](http://wwwvis.informatik.uni-stuttgart.de/~magallon/).
+Aaron Lefohn, Joe Kniss, and Chris Wyman were the first users and also
+assisted with the design and debugging process.
+
+The acronym GLEW originates from Aaron Lefohn.
+Pasi K&auml;rkk&auml;inen identified and fixed several problems with
+GLX and SDL.  Nate Robins created the `wglinfo` utility, to
+which modifications were made by Michael Wimmer.
+
+## Contributions
+
+GLEW welcomes community contributions.  Typically these are co-ordinated
+via [Issues](https://github.com/nigels-com/glew/issues) or
+[Pull Requests](https://github.com/nigels-com/glew/pulls) in the
+GitHub web interface.
+
+Be sure to mention platform and compiler toolchain details when filing
+a bug report.  The output of `glewinfo` can be quite useful for discussion
+also.
+
+Generally GLEW is usually released once a year, around the time of the Siggraph
+computer graphics conference.  If you're not using the current release
+version of GLEW, be sure to check if the issue or bug is fixed there.
+
+## Copyright and Licensing
+
+GLEW is originally derived from the EXTGL project by Lev Povalahev.
+The source code is licensed under the
+[Modified BSD License](http://glew.sourceforge.net/glew.txt), the
+[Mesa 3-D License](http://glew.sourceforge.net/mesa.txt) (MIT) and the
+[Khronos License](http://glew.sourceforge.net/khronos.txt) (MIT).
+
+The automatic code generation scripts are released under the
+[GNU GPL](http://glew.sourceforge.net/gpl.txt).
@@ -0,0 +1 @@
+2.2.0
@@ -0,0 +1,101 @@
+cmake_minimum_required(VERSION 3.0)
+
+project(OpenCSG)
+
+if (NOT BUILD_SHARED_LIBS)
+  set(GLEW_USE_STATIC_LIBS ON)
+elseif (MSVC)
+  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif()
+
+find_package(OpenGL REQUIRED)
+
+set(GLEW_VERBOSE ON)
+find_package(GLEW 1.13.0 REQUIRED)
+
+set(_srcfiles 
+    src/area.cpp
+    src/batch.cpp
+    src/context.cpp
+    src/channelManager.cpp
+    src/frameBufferObject.cpp
+    src/frameBufferObjectExt.cpp
+    src/occlusionQuery.cpp
+    src/opencsgRender.cpp
+    src/openglHelper.cpp
+    src/pBufferTexture.cpp
+    src/primitive.cpp
+    src/primitiveHelper.cpp
+    src/renderGoldfeather.cpp
+    src/renderSCS.cpp
+    src/scissorMemo.cpp
+    src/settings.cpp
+    src/stencilManager.cpp
+    RenderTexture/RenderTexture.cpp
+    include/opencsg.h
+    src/opencsgConfig.h
+    src/area.h
+    src/batch.h
+    src/context.h
+    src/channelManager.h
+    src/frameBufferObject.h
+    src/frameBufferObjectExt.h
+    src/occlusionQuery.h
+    src/offscreenBuffer.h
+    src/opencsgRender.h
+    src/openglHelper.h
+    src/pBufferTexture.h
+    src/primitiveHelper.h
+    src/scissorMemo.h
+    src/settings.h
+    src/stencilManager.h
+)
+
+add_library(opencsg ${_srcfiles})
+target_include_directories(opencsg PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
+target_include_directories(opencsg PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>)
+target_link_libraries(opencsg PRIVATE GLEW::GLEW OpenGL::GL)
+
+include(CMakePackageConfigHelpers)
+
+include(GNUInstallDirs)
+
+write_basic_package_version_file(
+    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"     
+    VERSION 1.4.2
+    COMPATIBILITY AnyNewerVersion
+)
+
+install(TARGETS opencsg 
+  EXPORT ${PROJECT_NAME}Targets
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+
+export(EXPORT ${PROJECT_NAME}Targets 
+       FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" 
+       NAMESPACE ${PROJECT_NAME}:: )
+
+set(ConfigPackageLocation ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+
+install(EXPORT ${PROJECT_NAME}Targets
+  FILE
+    "${PROJECT_NAME}Config.cmake"
+  NAMESPACE
+    ${PROJECT_NAME}::
+  DESTINATION
+    ${ConfigPackageLocation}
+)
+install(
+    FILES
+      ${PROJECT_SOURCE_DIR}/include/opencsg.h 
+    DESTINATION
+      ${CMAKE_INSTALL_INCLUDEDIR}/opencsg
+)
+install(
+    FILES
+      "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+    DESTINATION
+      ${ConfigPackageLocation}
+)
@@ -0,0 +1,17 @@
+
+orcaslicer_add_cmake_project(OpenCSG
+    # GIT_REPOSITORY https://github.com/floriankirsch/OpenCSG.git
+    # GIT_TAG 83e274457b46c9ad11a4ee599203250b1618f3b9 #v1.4.2
+    URL https://github.com/floriankirsch/OpenCSG/archive/refs/tags/opencsg-1-4-2-release.zip
+    URL_HASH SHA256=51afe0db79af8386e2027d56d685177135581e0ee82ade9d7f2caff8deab5ec5
+    PATCH_COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in ./CMakeLists.txt
+    DEPENDS dep_GLEW
+)
+
+if (TARGET ${ZLIB_PKG})
+    add_dependencies(dep_OpenCSG ${ZLIB_PKG})
+endif()
+
+if (MSVC)
+    add_debug_dep(dep_OpenCSG)
+endif ()
@@ -44,18 +44,6 @@ else()
    if(APPLE)
        set(_conf_cmd export MACOSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET} && ./Configure -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET})
    else()
-        # A static library that is embedded into a shared object must not export
-        # its symbols. On Linux the running process also loads the system OpenSSL
-        # 3.x (WebKitGTK/gnutls pull in libcrypto.so.3), and CPython's _ssl and
-        # _hashlib are dlopened (RTLD_LOCAL) DSOs that each embed this OpenSSL.
-        # With default visibility their unversioned OpenSSL references are
-        # preempted by that global 3.x copy, mixing the 1.1.1 and 3.x ABIs and
-        # corrupting the heap (ssl.create_default_context() aborts). Hidden
-        # visibility makes each embedded copy self-contained. Linux-only: macOS
-        # binds dylibs with a two-level namespace (no interposition) and ships no
-        # OpenSSL, and Windows has no equivalent flag and no system OpenSSL to
-        # collide with.
-        set(_openssl_extra_cflags -fvisibility=hidden)
        set(_conf_cmd env "CC=${CMAKE_C_COMPILER}" "LDFLAGS=${CMAKE_EXE_LINKER_FLAGS}" "./config")
    endif()
    set(_cross_comp_prefix_line "")
@@ -114,20 +102,3 @@ ExternalProject_Add_Step(dep_OpenSSL install_cmake_files
    COMMAND ${CMAKE_COMMAND} -E copy_directory openssl "${DESTDIR}${CMAKE_INSTALL_LIBDIR}/cmake/openssl"
    WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}"
 )
-
-if (NOT WIN32 AND NOT APPLE)
-    # OpenSSL's object rules do not depend on CFLAGS, so reconfiguring it (for
-    # example to add -fvisibility=hidden) relinks the archives from stale
-    # objects instead of recompiling them, and the change silently has no
-    # effect. Drop the objects whenever this recipe changes so the next build
-    # actually recompiles them.
-    ExternalProject_Get_Property(dep_OpenSSL SOURCE_DIR)
-    ExternalProject_Add_Step(dep_OpenSSL clean_objects
-        DEPENDEES configure
-        DEPENDERS build
-        COMMAND make clean
-        WORKING_DIRECTORY "${SOURCE_DIR}"
-        DEPENDS "${CMAKE_CURRENT_LIST_FILE}"
-        COMMENT "OpenSSL: cleaning objects after a recipe change"
-    )
-endif ()
@@ -299,27 +299,3 @@ endif()
 if(TARGET dep_ZLIB)
    add_dependencies(dep_python3 dep_ZLIB)
 endif()
-
-if (NOT WIN32 AND NOT APPLE)
-    # CPython's Makefile rules for _ssl and _hashlib depend only on their own
-    # sources, not on the OpenSSL archives, so a rebuilt OpenSSL does not make
-    # them relink and they keep the previous symbols. On an incremental tree,
-    # drop the built modules and relink them against the current OpenSSL; a
-    # fresh build is left alone (its PGO target builds them). "make" alone is a
-    # no-op once PGO has run, so sharedmods is invoked explicitly.
-    ExternalProject_Get_Property(dep_python3 SOURCE_DIR)
-    file(GLOB _python_ssl_modules
-        "${SOURCE_DIR}/Modules/_ssl*.so"
-        "${SOURCE_DIR}/Modules/_hashlib*.so")
-    if (_python_ssl_modules)
-        ExternalProject_Add_Step(dep_python3 relink_ssl_extensions
-            DEPENDEES configure
-            DEPENDERS build
-            COMMAND sh -c "rm -f '${SOURCE_DIR}'/Modules/_ssl*.so '${SOURCE_DIR}'/Modules/_hashlib*.so && make -j${NPROC} sharedmods"
-            WORKING_DIRECTORY "${SOURCE_DIR}"
-            COMMENT "CPython: relinking _ssl/_hashlib against the current OpenSSL"
-            DEPENDS "${CMAKE_CURRENT_LIST_FILE}"
-                    "${CMAKE_CURRENT_LIST_DIR}/../OpenSSL/OpenSSL.cmake"
-        )
-    endif ()
-endif ()
@@ -1,38 +0,0 @@
-diff --git a/build/cmake/wxWidgetsConfig.cmake.in b/build/cmake/wxWidgetsConfig.cmake.in
-index 2f3a735d920c..2593c045b89b 100644
--- a/build/cmake/wxWidgetsConfig.cmake.in
-+++ b/build/cmake/wxWidgetsConfig.cmake.in
-@@ -50,12 +50,28 @@ if(WIN32_MSVC_NAMING)
-         set(wxARCH_SUFFIX "_${wxPLATFORM_ARCH}")
-     endif()
- 
-    # use wxWidgets_USE_STATIC to force static libraries, otherwise shared is searched first
-    if(NOT wxWidgets_USE_STATIC AND EXISTS "${CMAKE_CURRENT_LIST_DIR}/${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_dll/@PROJECT_NAME@Targets.cmake")
-        set(wxPLATFORM_LIB_DIR "/${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_dll")
-    elseif(EXISTS "${CMAKE_CURRENT_LIST_DIR}/${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_lib/@PROJECT_NAME@Targets.cmake")
-        set(wxPLATFORM_LIB_DIR "/${wxCOMPILER_PREFIX}${wxARCH_SUFFIX}_lib")
-+    # wxCOMPILER_PREFIX names the consuming compiler; the installed layout is named
-+    # after the compiler that built wxWidgets. cl and clang-cl share an ABI, so
-+    # either can consume either build.
-+    set(wxCOMPILER_PREFIXES "${wxCOMPILER_PREFIX}")
-+    if(wxCOMPILER_PREFIX STREQUAL "clang")
-+        list(APPEND wxCOMPILER_PREFIXES "vc")
-+    elseif(wxCOMPILER_PREFIX STREQUAL "vc")
-+        list(APPEND wxCOMPILER_PREFIXES "clang")
-     endif()
-+
-+    # use wxWidgets_USE_STATIC to force static libraries, otherwise shared is searched first
-+    foreach(wxPREFIX IN LISTS wxCOMPILER_PREFIXES)
-+        if(NOT wxWidgets_USE_STATIC AND EXISTS "${CMAKE_CURRENT_LIST_DIR}/${wxPREFIX}${wxARCH_SUFFIX}_dll/@PROJECT_NAME@Targets.cmake")
-+            set(wxPLATFORM_LIB_DIR "/${wxPREFIX}${wxARCH_SUFFIX}_dll")
-+            break()
-+        elseif(EXISTS "${CMAKE_CURRENT_LIST_DIR}/${wxPREFIX}${wxARCH_SUFFIX}_lib/@PROJECT_NAME@Targets.cmake")
-+            set(wxPLATFORM_LIB_DIR "/${wxPREFIX}${wxARCH_SUFFIX}_lib")
-+            break()
-+        endif()
-+    endforeach()
-+    unset(wxPREFIX)
-+    unset(wxCOMPILER_PREFIXES)
- endif()
- 
- include("${CMAKE_CURRENT_LIST_DIR}${wxPLATFORM_LIB_DIR}/@PROJECT_NAME@Targets.cmake")
@@ -28,18 +28,12 @@ if (APPLE)
        COMMAND ${GIT_EXECUTABLE} apply --verbose
                ${CMAKE_CURRENT_LIST_DIR}/0001-macos-use-srgb-colour-components.patch
    )
-elseif (WIN32)
-    set(_wx_patch_command
-        ${GIT_EXECUTABLE} checkout -f -- build/cmake/wxWidgetsConfig.cmake.in
-        COMMAND ${GIT_EXECUTABLE} apply --verbose
-                ${CMAKE_CURRENT_LIST_DIR}/0002-clang-cl-sibling-compiler-prefix.patch
-    )
 endif ()

 orcaslicer_add_cmake_project(
    wxWidgets
-    GIT_REPOSITORY "https://github.com/wxWidgets/wxWidgets"
-    GIT_TAG v3.3.4
+    GIT_REPOSITORY "https://github.com/SoftFever/Orca-deps-wxWidgets"
+    GIT_TAG v3.3.2
    GIT_SHALLOW ON
    GIT_SUBMODULES 3rdparty/catch 3rdparty/pcre 3rdparty/libwebp
    PATCH_COMMAND ${_wx_patch_command}
@@ -88,18 +88,6 @@ struct NfpPConfig {
     */
    bool explore_holes = false;

-    /**
-     * @brief Keep the final pile on the bin.
-     *
-     * The final alignment centres the pile on the alignment target. A target
-     * near an edge (a belt printer starts its parts at the leading end of the
-     * belt) would push part of a pile that is larger than the room around that
-     * point off the bed; with this set the pile stops at the edge instead, and a
-     * pile that does not fit along an axis is centred on it. Off by default, so
-     * the alignment of every other printer is unchanged.
-     */
-    bool clamp_to_bin = false;
-
    /**
     * @brief If true, use all CPUs available. Run on a single core otherwise.
     */
@@ -1123,24 +1111,7 @@ private:
        default: ; // DONT_ALIGN
        }

-        auto d = cb - ci;
-
-        // Keep the pile on the bin (see Config::clamp_to_bin). The items' boxes carry
-        // their inflation, which is the margin left at the edge.
-        if (config_.clamp_to_bin) {
-            auto on_bin = [](Coord lo, Coord hi, Coord bin_lo, Coord bin_hi, Coord shift) {
-                if (hi - lo >= bin_hi - bin_lo)
-                    return (bin_lo + bin_hi) / 2 - (lo + hi) / 2;
-                if (lo + shift < bin_lo)
-                    shift = bin_lo - lo;
-                if (hi + shift > bin_hi)
-                    shift = bin_hi - hi;
-                return shift;
-            };
-            setX(d, on_bin(getX(bb.minCorner()), getX(bb.maxCorner()), getX(bbin.minCorner()), getX(bbin.maxCorner()), getX(d)));
-            setY(d, on_bin(getY(bb.minCorner()), getY(bb.maxCorner()), getY(bbin.minCorner()), getY(bbin.maxCorner()), getY(d)));
-            cb = ci + d;
-        }
+        auto d = cb - ci;       

        // BBS make sure the item won't clash with excluded regions
        // do we have wipe tower after arranging?
@@ -191,7 +191,7 @@ public:
            tail->next = std::move(p);
            tail = new_tail;
        }
-        disrupt_wait_for_data();
+        data_cond.notify_one();
    }

    void wait_and_pop(T& value)
@@ -1,221 +0,0 @@
-# Adaptive TPMS infill — High Level Design
-
-## Purpose and scope
-
-`tpms_adaptive` grades the sparse infill of the Gyroid, TPMS-D and TPMS-FK
-patterns inside the object: the cells grow continuously from the surface
-towards the center of the object. `distance_warp`, `smooth_blend` and
-`stepped_shells` follow the distance to the nearest surface, including the top
-and bottom, like concentric shells; `lobes` follows the whole 3D shape towards
-the center of each lobe of the object; `normal_z`, `normal_y` and `normal_x`
-follow each section of the object normal to that axis, so the grading does not
-change along the axis, as suits a profile extruded along it.
-`sparse_infill_density` is the density at the surface, `tpms_interior_density`
-the density at the center, and `tpms_adaptive_gradient` picks how the density
-goes from one to the other. Only internal sparse infill is graded; the Gyroid
-Z-buckling optimization does not apply to it.
-
-The design has two parts: a field built once per object, and a pattern made
-from it, warped around the center of each lobe of a body so that its cell size
-follows the field, or, in the modes following the distance to the surface,
-split into shells or blended between densities.
-
-## Radial field
-
-`TpmsRadialField` gives every point of an object the center of its lobe and a
-radial coordinate: 0 at the center, 1 at the surface along the ray from the
-center. `PrintObject::prepare_tpms_radial_fields()` builds it in
-`bridge_over_infill()`, next to the adaptive cubic octree, because the anchoring
-infill generated there has to match the printed infill. A field is built for
-every mode a region uses, and is shared by the regions using that mode: the
-field depends on the geometry only, the densities are applied per region in the
-fill. An object thinner than the grid cells has no body in the field; no field
-is kept then, and the infill falls back to the regular pattern. In the modes
-following the distance to the surface, the field also gives the depth of every
-point (see below).
-
-A regular 3D grid of cubic cells is rasterized from the `lslices` of the layers,
-so the field follows what is printed: negative volumes, the union of
-overlapping parts and holes are taken into account, and the mesh does not need
-to be closed. A padding node around the grid is always outside. The grid is
-capped at about a million nodes, with cells no smaller than 0.5 mm.
-
- Bodies are the connected inside nodes. Each is graded on its own, so separate
-  parts of one object each get their own sparse center.
- A body is split into lobes around the local maxima of the depth, by an exact
-  Euclidean distance transform (Felzenszwalb and Huttenlocher, one pass per
-  axis). Two maxima are in separate lobes when the depth along the segment
-  between them drops below 0.8 of the shallower one, like at the neck between
-  two united spheres; maxima shallower than 0.3 of the deepest one are ignored.
-  A maximum joins the first lobe whose first maximum it sees without a neck.
-  The lobes are made one at a time, the remaining maxima tested against the
-  first one in parallel, as a plate has a whole plane of them.
-  Where the depth ties along a line or a plane, as in a tall box, the lobe's
-  center is the node nearest to the middle of the tied nodes, so the center is
-  in the middle of the height and not a column.
- A point belongs to the lobe it is nearest to relative to their depths, so the
-  side between two lobes is nearer to the smaller one. Near that side, within a
-  tenth of that relative distance, the patterns of the lobes morph into each
-  other, so the lines stay continuous. Every lobe in that range takes part, up
-  to four, so the morph is also continuous where three or four lobes meet.
- The reach of a lobe is the distance from its center to the first exit along
-  24 x 48 latitude-longitude directions, smoothed twice over neighbouring
-  directions in log space. Towards a neighbouring lobe it stops at twice the
-  distance to the side between them, so that side is graded half way, as deep
-  as a neck is, rather than as sparse as the center or as dense as the surface.
-  Only the lobes whose centers are near enough to be nearer at the current
-  distance are compared along a ray, so many lobes, as in a perforated plate,
-  stay cheap.
-  The radial coordinate of a point is its distance to the center over the reach
-  in its direction. Behind a gap, as across the hole
-  of a ring, the radial coordinate is above 1 and the infill keeps the surface
-  density.
- Every outside node belongs to its nearest body, so points near a surface find
-  their body without a search. With a single body, all nodes belong to it.
-
-In the 2D modes, every plane of nodes normal to the axis is a field of its own:
-the distance transform skips the axis, bodies, lobes and the nearest body are
-found within the plane, and the reach is sampled on a circle of 48 directions.
-A point is looked up in the two planes around it, the weights of their lobes
-interpolated along the axis, so the grading does not step between planes; a
-plane without a body uses the nearest one that has one. The planes are a cell
-apart, not a layer: where the sections change abruptly, as at a step, the
-patterns of the two planes morph into each other over that cell.
-
-A distance to the nearest surface would be the obvious field, but no smooth map
-follows it. By the divergence theorem, the mean scale of a map over a body is
-fixed by its values on the surface: a map that keeps the full density along the
-whole surface, as the distance would ask under the top and bottom, has the mean
-density of the uniform infill, the sparser core being paid for by lines crowding
-along the walls. The layers of a plate at different depths would also need
-different line spacings in the same directions, which no continuous map allows
-without shearing across the plate. Following the distance needs changes of the
-topology of the lattice (see below). The radial coordinate instead grades what a
-single map can: towards one point.
-
-## Warped pattern
-
-The pattern is evaluated on warped coordinates:
-
-    TPMS(f_surface * m(t) * (p - center))
-
-where `m` scales the pattern around the center of the lobe: its frequency is
-`m + t * m'` along the ray and `m` across it. `m(t)` is the mean of the target
-scale over the ball of radius `t`, `3 / t^3 * integral of s^2 * target(s) ds`, so
-the mean of the three, and with it the density, follows the gradient. The cells
-are round at the center; near the surface they are flattened, with the lines
-running parallel to it. Beyond the surface the target is the surface scale, so
-the warp extends continuously outside.
-
-In the 2D modes only the coordinates within the plane are warped, and `m(t)` is
-the mean over the disc, `2 / t^2 * integral of s * target(s) ds`. Along the axis
-the pattern keeps the interior frequency: scaling it with `m` would shear the
-pattern by the distance along the axis times the gradient of `m`, without bound
-on a long object. The cells are round at the center and stretched along the
-axis near the surface. With Normal Z the layers are graded exactly, since
-the lines of a layer follow its in-plane frequencies; normal to X or Y, the
-layers near the sides are as dense as the larger of the two frequencies in the
-layer, which is the surface one.
-
-Evaluating a TPMS at a frequency that varies with the position without such a
-map distorts it wherever the frequency changes, because the phase also changes
-with the gradient of the frequency times the distance from the origin. Fitting a
-smooth map to a varying isotropic scale in the least-squares sense (a Poisson
-problem per axis) cannot grade strongly: its divergence is the target scale plus
-a harmonic function pinned by the surface, which keeps the scale in the core
-near two thirds of the surface one. Following a distance exactly needs the
-lattice to change its topology, by blending lattices of different densities or
-filling shells of equal distance with them, as the modes following the distance
-to the surface do.
-
-The target scale at depth `d = 1 - t`, with `S` the surface and `I` the interior
-frequency, both from each pattern's own density calibration:
-
-| Gradient    | Scale                  |
-|-------------|------------------------|
-| Linear      | `1 + (I / S - 1) * d`  |
-| Quadratic   | `1 + (I / S - 1) * d^2`|
-| Exponential | `(I / S)^d`            |
-
-With a denser surface, quadratic keeps the surface density deepest and
-exponential drops fastest. A denser interior works the same way.
-
-The zero level is extracted with marching squares like the regular TPMS-FK, on
-a sampling grid fixed in the fill frame like the optimized Gyroid, so that every
-region of a layer connects its lines the same way at the saddles of the pattern.
-Loops narrower than two lines (shorter than `2 * PI * spacing`) are dropped, as
-they would print as blobs. The fill works in a frame rotated by the infill
-angle, so the radial field is looked up at the point rotated back into the
-object frame, and the center rotated into the fill frame. Both use the middle of
-the layer.
-
-## Modes following the distance to the surface
-
-`distance_warp`, `smooth_blend` and `stepped_shells` grade by the distance to
-the nearest surface, including the top and bottom, as concentric shells do. The
-depth of a point is that distance over the distance of the deepest point of its
-body, from 0 at the surface to 1; the field keeps it for every node and
-interpolates it between them. A tall box so keeps its whole axis as sparse as
-its center, and a plate is graded through its thickness.
-
-No single smooth pattern follows that depth without distortion (see above), so
-the three modes trade differently:
-
- Distance warp keeps the lobes and the warp of Lobes, but its radial profile
-  comes from the depth. For every direction of a lobe, the mean depth over the
-  ball along the ray is sampled at 33 radii up to the reach, then smoothed over
-  the neighbouring directions like the reach. The radial coordinate is the one
-  of the linear profile with the same mean depth, `t = 4/3 * (1 - mean depth)`,
-  so with a linear gradient the mean cell size follows the depth exactly, and
-  with the others approximately. In a sphere or a cube, where the depth falls
-  linearly along every ray, it is Lobes. Elsewhere the profile changes with the
-  direction, and the warp shears where neighbouring directions differ, as in
-  plates and long bodies; right under the top of a long body the cells are
-  sparser within the layer, the warp moving their density into the height.
-  The profiles are smoothed over the directions like the reach, as sharper
-  ones shear the pattern across the layer, which adds lines. A long body is so
-  graded partly along its length, between Lobes and the distance.
- Smooth blend evaluates the regular patterns of the two levels around the
-  target of every point and blends them by a smoothstep over the whole gap
-  between the levels, here at most 2.5 times apart. The density follows the
-  depth without steps, but where two lattices blend, part of their lines run
-  along the blend, so fewer levels print fewer extra lines. From 25% to 5%,
-  three levels print about 0.45 of the uniform infill in a deep core whose
-  levels alone would print 0.3; levels 1.5 times apart print 0.6 to 0.7, and a
-  single blend from the surface to the interior 0.6.
- Stepped shells split each region of a layer into shells and fill every shell
-  with the regular pattern at its density. The densities are levels from the
-  surface to the interior density at most 1.5 times apart, five from 25% to 5%,
-  and a point takes the level nearest to its target on that geometric scale.
-  The shells are traced by marching squares of the continuous level over the
-  layer on a 0.5 mm grid fixed in the object, so every region of a layer gets
-  the same shells, and clipped to the region. Each shell is shrunk by half a
-  line, like a filled region, and its regular filler connects its lines along
-  that boundary, so the connections of two neighbouring shells lie side by side
-  instead of on top of each other. The pattern is never
-  distorted, but its lines end at every shell, and thin parts get thin shells.
-  The connections add lines: in the core of a 60 mm cube, about a third more
-  than the target.
-
-Stepped shells and Smooth blend need neither lobes nor reaches, which are not
-built for them.
-
-## Constraints
-
- With `tpms_adaptive` disabled, or for other patterns, the fill parameters are reset
-  to their defaults, so they neither change the infill nor split fill batches.
- `Layer::get_sparse_infill_max_void_area()` uses the sparser of the two
-  densities, as the voids at the center are that large.
- At a sparse infill density of 100% the sparse infill is turned into solid
-  infill, so there is nothing to grade: the options are hidden and no field is
-  built.
- The adaptive options invalidate `posPrepareInfill`, which rebuilds the field
-  and the anchoring infill.
- An elongated body without a neck has one center, so its far ends are graded
-  as the outer part of the body, and the warp shears where the reach changes
-  quickly with the direction. A concave body, like an L, may be split into lobes
-  where its maxima cannot see each other in a straight line.
- Across a ray, the scale is the mean of the gradient from the center, so the
-  layers right under the top and above the bottom are sparser than the surface
-  density in their middle, and a plate is graded from its middle outwards rather
-  than through its thickness.
@@ -1,172 +0,0 @@
-# Center of mass markers — High Level Design
-
-## Purpose and scope
-
-The "Center of mass" item of the canvas toolbar menu, in the bottom left corner of the 3D view, marks
-where the mass of the plate, of each object instance and of each body of an assembly is centered,
-in Prepare and in Preview. It helps judge how parts will rest on the plate, for instance whether a
-tall or leaning part could tip. It is a view setting: it changes nothing in the model, the slice or
-the project file, and it does not reach plate thumbnails. The choice is kept in the app config as
-`show_center_of_mass`, off by default. The assembly view and the Design tab have no markers.
-
-Three kinds of marker share one shape, a sphere whose octants alternate between two colors:
-
- each plate, black and white, for everything on it;
- each object instance, light blue and white;
- each body of an assembly, red and yellow;
- in Preview, the supports and raft of each object instance, green and black.
-
-A click on a marker opens a box beside it with the weight and volume of what it stands for, where its
-center lies in that thing's bounding box and the size of the box, and its moments of inertia about
-axes through the center parallel to x, y and z.
-
-An assembly is an object of several parts or with negative volumes. Its bodies are the connected
-solids its parts make once united, the bodies the separated infills option centers its infill on
-(see separated-infills.md): parts that overlap or touch are one body, parts apart are separate
-bodies. An object of one body, and every object of a single part, has no body markers, as its object
-marker says it all.
-
-Mass is volume times density, the `filament_density` of the filament that prints it, or 1.245 g/cm³
-(`DEFAULT_FILAMENT_DENSITY`) for a filament without one. Prepare has the model only, so it takes each
-part as a solid of the density of its filament, the part's own or else its object's. It reads each
-filament's density from the filament's selected preset, edits not yet saved included, as slicing does:
-the plater's own config holds the values of the filament edited last only. Preview has
-what will be printed, so its markers come from the toolpaths, whose mass depends on walls, infill
-and flow as well. There the solid markers are for what is printed up to the top layer the layer
-slider shows: for the plate with brim, raft and supports, where the weight rests at that point of
-the print; for an object or a body, its own extrusions. Each has a faded twin for the same at the
-end of the print, so the slider shows the weight moving toward where it ends, and at the top layer
-the two meet. In Prepare the plate has the model alone, as brim, raft and supports exist only once
-sliced.
-
-## Prepare: from the meshes
-
-An object of one part takes the mass properties of its mesh at unit density, times its density, from
-`its_mass_properties()`, which handles a mesh in a single pass. Each triangle and a fixed vertex of
-the mesh span a tetrahedron whose signed volume is `V = a · (b × c) / 6`, with `a`, `b`, `c` taken
-relative to that vertex. By the divergence theorem these volumes add up to the volume of a closed
-mesh, their volume-weighted centroids to its center of mass, and their second moments
-`V (a aᵀ + b bᵀ + c cᵀ + s sᵀ) / 20`, with `s = a + b + c`, to its own. Shells facing inward, such as
-a cavity, subtract themselves, and flipping every triangle changes nothing. The sums are kept in
-double precision and relative to a vertex of the mesh rather than the origin, which keeps them exact
-for meshes far from it. The result keeps the spread of the mass about its center,
-`(x - c)(x - c)ᵀ` averaged over the mass, from which the moments of inertia follow.
-
-The CGAL routines that look alike do not compute this. `CGAL::centroid` weighs tetrahedra by their
-unsigned volume, so it fails on cavities and on any shell that is not star-shaped from the fan's
-apex; over triangles it returns the centroid of the surface, and over points the average of the
-vertices, which depends on the tessellation. `CGAL::barycenter` with the signed volumes as weights
-gives the same answer, but only after copying every tetrahedron into a vector of weighted points,
-and takes two and a half times as long.
-
-A mesh's result is in its own coordinates. Each `GLVolume` maps it to the world with its world
-matrix `M`, and weighs it by the volume times the absolute determinant of that matrix: a center of
-mass moves with any affine map, and the spread becomes `L S Lᵀ` for the linear part `L` of `M`, so no
-mesh is ever transformed. The `GLVolume`'s matrices, rather than the
-model's, let the markers follow an object while it is dragged, before the model is updated. Results
-are cached by `ModelVolume` id; a `ModelVolume` takes a new id whenever its mesh changes, which is
-the rule `reload_scene()` relies on to rebuild a `GLVolume`'s geometry, so a cached result never
-outlives its mesh.
-
-An assembly's parts overlap or touch, which the mesh formula would count twice, so `solid_bodies()`
-slices them instead, in the object's coordinates. It cuts the height into 500 slabs, 100 while a part
-is dragged, slices every part and negative volume at the middle of each slab, unites the parts and
-cuts the negative volumes away, and links the islands of neighboring slabs that overlap into bodies
-with `connected_bodies()`. Each island adds a prism of the slab's thickness at the density: its
-area, and its first and second moments of area, from the same sums over the outline as the area,
-with the slab's height for z. Where parts of different densities overlap, the later volume of the object counts, as
-slicing clips every part by the parts after it; each part then weighs the region it prints, which is
-credited to the island holding it. Each body also keeps the convex hull of its islands and the height
-they span, whose corners, once transformed, give its bounding box, tight while the instance turns
-about z only. The object is the sum of its bodies, its box that of its parts, as the object's size
-shows it, and each plate the sum of the object instances `PartPlateList::find_instance()` puts on it,
-so that an instance on no plate counts in none. The bodies are cached by `ModelObject` id with the volumes, types, densities and
-transformations they were sliced from.
-
-## Preview: from the toolpaths
-
-`GCodeProcessor` sums the masses while it processes the G-code, in the same pass that builds the
-moves, and leaves them in `GCodeProcessorResult`; `GCodeViewer` keeps a copy of them when it loads a
-result. Nothing is stored per move.
-
-Each extrusion weighs the volume of filament its E extrudes times the density of the filament that
-extrudes it, so a print of several materials weighs each as it is. Flow ratio, line widths, ironing
-and purging into infill all count
-as printed. Its mass spreads evenly along the segment the bead's center runs, half the layer height
-below the nozzle, in the frame of the stored moves: plate offset added, Z offset removed. Such a
-segment from `a` to `b` adds `m (a + b) / 2` to the moments and `m (a² + a b + b²) / 3` to the second
-moments along each axis, and its box widened by half the bead's height to the bounding box; not by
-half its width, which the processor only estimates, so that a box runs along the walls' center lines. Arcs are already split into segments by the processor. Walls, infill, top and bottom surfaces, ironing
-and gap fill make the parts. The brim and the support roles, the raft among them, count only in what
-the plate prints. The skirt, the prime tower and custom G-code count nowhere.
-
-The plate takes every extrusion, so it needs nothing more. The objects and bodies need the sliced
-objects, which the G-code does not describe, so the G-code export hands the processor a locator
-built from the `Print`; G-code opened from a file, or from a project sliced earlier, has no `Print`
-behind it, and so shows the plate alone. Object labels would not do: profiles turn the four kinds
-Orca writes on and off in every combination, and none of them tells the bodies apart.
-
-The locator numbers the object instances and, for each assembly, the bodies of every instance. It
-takes the bodies `PrintObject::prepare_infill()` found for separated infills, or, when that option
-did not need them, links the islands (`Layer::lslices`) of neighboring layers into bodies with the
-same `connected_bodies()`. For each extrusion of a part, it finds the first layer printed at or above
-its height, as spiral vase rises through each layer, and the island holding it with an
-`IslandLocator`, the one `solid_bodies()` credits its regions with: by the island's box, widened by
-1 mm for walls reaching past it, with a polygon test only where boxes overlap, and the nearest
-outline where none holds the point. The boxes of one layer's islands say nothing of the other
-instances, so an instance whose widened box reaches another's, as copies placed side by side do,
-tests the outlines alone, and outside them the nearest outline of all such instances wins. The island
-gives both the instance and the body. The island found last is tried first, as extrusions mostly follow each other on one
-island. Brim, raft and supports lie outside the islands. The brim counts in the plate only; a support
-or raft extrusion goes to the instance whose footprint, the box of its widened islands, holds it, the
-one whose center is nearest among several, or else the nearest footprint, as supports stand below and
-around their object.
-
-Each mass holds, for each layer id, the running total of what is printed up to that layer, the last
-of which is the faded marker's, so the solid marker for any slider position is a single lookup. The layer ids are those
-the moves carry, which are also the layers of libvgcode and of the slider; in a print by object they
-follow the order of printing, so the solid markers show the objects printed so far as they are.
-
-## Drawing
-
-`smooth_sphere()` with a resolution divisible by four leaves every triangle within one octant, so it
-splits into two models drawn with the `gouraud_light` shader in each kind's two colors. The radius is
-9 pixels for the plate, 7 for the objects, 6 for the supports and 5 for the bodies, scaled like the canvas toolbar for the
-display's DPI and kept constant on screen through the camera's inverse zoom. They are drawn in that
-order, so that markers at one place show as rings. The faded markers are the same spheres at 40%
-opacity, drawn before all the solid ones, which show over them where both meet.
-
-The centers usually lie inside the objects, so the markers are drawn without the depth test and show
-through the objects and anything in front of them. Back face culling keeps the far half of a sphere
-from covering the near one. They are drawn after the ambient occlusion pass, which would otherwise
-darken them as the surface behind them, and before FXAA, which smooths their edges.
-
-The markers are part of the cached scene, so toggling them, or changing a filament's density while
-they are shown, marks the scene dirty, and moving the layer slider redraws the scene with the solid
-markers where they belong. In Prepare they are hidden while any gizmo other than Move, Rotate, Scale
-and Lay on face is open, since the others work on the surface a marker would cover, and a hidden
-object has no markers.
-
-## Details
-
-The markers drawn last are kept, and a left click is tested against them before it selects: each
-center and a point a radius to its right are projected to the screen, and the click hits a marker
-within that distance. The solid markers are tested before the faded ones and the smaller kinds
-before the larger, the order in which they cover each other. A hit opens the details of that marker
-and keeps the click from changing the selection; a click anywhere else closes them. The box is an
-ImGui window beside the marker, redrawn with the overlay from the markers of the last scene, so it
-follows a dragged object, and in Preview the layer slider. It closes when its marker is gone, or when
-the number of markers of its kind changes, as then it may stand for something else.
-
-Its title says what the marker stands for: the plate, an object, an assembly or a part, the body of
-an assembly. The G-code export lists the object instances for the processor, marking assemblies, as
-it hands it the locator.
-
-Each marker carries its sums: mass, volume, first moments and the second moments about the origin
-along each axis, `Σ m x²`, `Σ m y²` and `Σ m z²`, which add up from parts to objects to plates. The
-moment of inertia about the axis through the center parallel to x is then
-`m (σy² + σz²)`, with `σ² = Σ m x² / m - c²` along each axis, and likewise for y and z. Masses are
-kept in mg, volume times density in g/cm³, and shown in g, volumes in cm³ and moments of inertia in
-g·mm². In Preview the box tells the finished print from what is printed up to the layer shown, the
-two weighing differently, and both are placed in the bounding box of everything the marker holds
-by the end.
@@ -18,8 +18,8 @@ each body on its own (see Octree infill).
 ## Bodies

 `PrintObject::prepare_infill()` groups the islands of every layer (`lslices`)
-into 3D connected bodies with `connected_bodies()` before bridges are detected,
-so bridge anchors and printed infill share one origin. Islands on adjacent layers belong to one body
+into 3D connected bodies before bridges are detected, so bridge anchors and
+printed infill share one origin. Islands on adjacent layers belong to one body
 when their slices overlap. Parts that touch or overlap form one body. Separate
 parts, disconnected islands of one mesh, and interleaved parts that never touch,
 such as chain links, each form their own. Every island stores the index of its
@@ -164,7 +164,6 @@ src/slic3r/GUI/OptionsGroup.cpp
 src/slic3r/GUI/PrintOptionsDialog.cpp
 src/slic3r/GUI/SafetyOptionsDialog.cpp
 src/slic3r/GUI/ParamsPanel.cpp
-src/slic3r/GUI/IMEXModesCtrl.cpp
 src/slic3r/GUI/PartPlate.cpp
 src/slic3r/GUI/Plater.cpp
 src/slic3r/GUI/Preferences.cpp
@@ -213,7 +212,6 @@ src/libslic3r/ExtrusionEntity.cpp
 src/libslic3r/Flow.cpp
 src/libslic3r/Format/AMF.cpp
 src/libslic3r/miniz_extension.cpp
-src/libslic3r/IMEXHelpers.cpp
 src/libslic3r/Preset.cpp
 src/libslic3r/Print.cpp
 src/libslic3r/PrintBase.cpp
@@ -1,79 +0,0 @@
-#!/usr/bin/env python3
-"""Belt temperature-tower asset generator (discrete-provini design).
-
-A vertical temperature tower cannot be sliced on a belt printer, so lay a row of
-DISCRETE provini (one per temperature) along the belt (designed Y) with a fixed
-surface gap. Each provino is the chevron+arc unit (belt_temp_provino_unit.stl,
-keel-first); its temperature is ENGRAVED upright into the 50 mm face — a raised
-number would be an unsupported overhang on the belt. The C++ calib_temp belt branch
-(Plater.cpp) injects one M104 per zone 70 layers INTO provino i:
-  print_z[i] = i * PITCH * cos(theta) + 70 * layer_height   (theta = 45)
-inside the body, not in the empty inter-provino gap (which has no sliced layers for
-the event to attach to). PITCH below is the shared geometry contract with that code —
-keep them in sync.
-
-Generates one STL per filament temp range used by Temp_Calibration_Dlg.
-"""
-import numpy as np, trimesh, os
-from matplotlib.textpath import TextPath
-from matplotlib.font_manager import FontProperties
-from shapely.geometry import Polygon as ShPoly
-from shapely.ops import unary_union
-
-HERE = os.path.dirname(os.path.abspath(__file__))
-UNIT = os.path.join(HERE, 'belt_temp_provino_unit.stl')   # single provino, keel-first
-SURF_GAP = 25.0            # surface-to-surface gap between provini (mm) — user spec
-TEXT_H = 9.0
-TEXT_DEPTH = 0.8           # engraving depth (numbers are CUT into the face, not raised:
-                          # a raised number is an unsupported Y-overhang on the belt)
-TEXT_OVERSHOOT = 0.6       # extra height poking out of the face for a clean boolean cut
-
-# Temperature ranges (start, end) per filament family, 5 C step. File name encodes them.
-RANGES = [(230,190),(270,230),(250,230),(280,240),(240,210),(320,280)]
-
-unit = trimesh.load(UNIT)
-dY = unit.bounds[1,1] - unit.bounds[0,1]
-PITCH = dY + SURF_GAP                       # designed-Y pitch == C++ contract constant
-print(f"unit dY={dY:.2f}  PITCH={PITCH:.3f}  (C++ contract: print_z[i]=i*{PITCH:.3f}*cos45)")
-
-# 50 mm face normal (0,-1,1)/sqrt2 ; UPRIGHT basis u=+X det(+1) (verified non-mirrored)
-n = np.array([0,-1,1.])/np.sqrt(2)
-u = np.array([1,0,0.]); v = np.array([0,1,1.])/np.sqrt(2)
-R = np.column_stack([u,v,n])
-fn = unit.face_normals; fc = unit.triangles_center; fa = unit.area_faces
-sel = (fn@n) > 0.9
-face_c = (fc[sel]*fa[sel,None]).sum(0)/fa[sel].sum()
-
-def text_mesh(s):
-    tp = TextPath((0,0), s, size=TEXT_H, prop=FontProperties(family='DejaVu Sans'))
-    rings = [ShPoly(p) for p in tp.to_polygons() if len(p)>=3]
-    rings.sort(key=lambda r:r.area, reverse=True)
-    used=[False]*len(rings); parts=[]
-    for i,o in enumerate(rings):
-        if used[i]: continue
-        holes=[]
-        for j in range(i+1,len(rings)):
-            if not used[j] and o.contains(rings[j]): holes.append(rings[j].exterior.coords); used[j]=True
-        parts.append(ShPoly(o.exterior.coords,holes)); used[i]=True
-    poly = unary_union(parts)
-    geoms = list(poly.geoms) if poly.geom_type=='MultiPolygon' else [poly]
-    m = trimesh.util.concatenate([trimesh.creation.extrude_polygon(g,height=TEXT_DEPTH+TEXT_OVERSHOOT) for g in geoms])
-    c = m.bounds.mean(axis=0); m.apply_translation([-c[0],-c[1],0]); return m
-
-for t_start, t_end in RANGES:
-    temps = list(range(t_start, t_end-1, -5))
-    parts=[]
-    for i,T in enumerate(temps):
-        c = unit.copy(); c.apply_translation([0, i*PITCH, 0])
-        t = text_mesh(str(T)); M=np.eye(4); M[:3,:3]=R; t.apply_transform(M)
-        # place the text spanning from TEXT_DEPTH inside the face to TEXT_OVERSHOOT outside,
-        # then CUT it out of the provino (engrave) — no raised material, no Y-overhang.
-        t.apply_translation(face_c - n*TEXT_DEPTH + np.array([0,i*PITCH,0]))
-        c = trimesh.boolean.difference([c, t], engine='manifold')
-        parts.append(c)
-    asset = trimesh.util.concatenate(parts)
-    out = os.path.join(HERE, f"belt_temp_tower_{t_start}_{t_end}.stl")
-    asset.export(out)
-    dims = np.round(asset.bounds[1]-asset.bounds[0],1)
-    wt = all(p.is_watertight for p in parts)
-    print(f"  {t_start}->{t_end}: {len(temps)} zones  bbox={dims}  watertight={wt}  -> {os.path.basename(out)}")
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+<rect x="6.61475" y="6.62109" width="0.642075" height="5.35947" fill="#1D1D1D"/>
+</svg>
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@@ -1,6 +1,6 @@
 {
 	"name": "Anker",
-	"version": "02.04.00.06",
+	"version": "02.04.00.05",
 	"force_update": "0",
 	"description": "Anker configurations",
 	"machine_model_list": [
@@ -304,26 +304,6 @@
 			"name": "Generic PLA Silk @Anker 0.25 nozzle",
 			"sub_path": "filament/Generic PLA Silk @Anker 0.25 nozzle.json"
 		},
-		{
-			"name": "AnkerMake PLA+ Basic @Anker base",
-			"sub_path": "filament/AnkerMake PLA+ Basic @Anker base.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Glitter @Anker base",
-			"sub_path": "filament/AnkerMake PLA+ Glitter @Anker base.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Matte @Anker base",
-			"sub_path": "filament/AnkerMake PLA+ Matte @Anker base.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Metallic @Anker base",
-			"sub_path": "filament/AnkerMake PLA+ Metallic @Anker base.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Silk @Anker base",
-			"sub_path": "filament/AnkerMake PLA+ Silk @Anker base.json"
-		},
 		{
 			"name": "Generic PLA+ @Anker",
 			"sub_path": "filament/Generic PLA+ @Anker.json"
@@ -347,26 +327,6 @@
 		{
 			"name": "Generic TPU @Anker",
 			"sub_path": "filament/Generic TPU @Anker.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Basic @Anker",
-			"sub_path": "filament/AnkerMake PLA+ Basic @Anker.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Glitter @Anker",
-			"sub_path": "filament/AnkerMake PLA+ Glitter @Anker.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Matte @Anker",
-			"sub_path": "filament/AnkerMake PLA+ Matte @Anker.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Metallic @Anker",
-			"sub_path": "filament/AnkerMake PLA+ Metallic @Anker.json"
-		},
-		{
-			"name": "AnkerMake PLA+ Silk @Anker",
-			"sub_path": "filament/AnkerMake PLA+ Silk @Anker.json"
 		}
 	],
 	"machine_list": [
@@ -1,50 +0,0 @@
-{
-	"type": "filament",
-	"name": "AnkerMake PLA+ Basic @Anker base",
-	"inherits": "Generic PLA+ @Anker base",
-	"from": "system",
-	"filament_id": "OFUuZlQL",
-	"instantiation": "false",
-	"filament_vendor": [
-		"AnkerMake"
-	],
-	"nozzle_temperature": [
-		"200"
-	],
-	"nozzle_temperature_initial_layer": [
-		"230"
-	],
-	"hot_plate_temp": [
-		"65"
-	],
-	"textured_plate_temp": [
-		"65"
-	],
-	"hot_plate_temp_initial_layer": [
-		"65"
-	],
-	"textured_plate_temp_initial_layer": [
-		"65"
-	],
-	"filament_flow_ratio": [
-		"1"
-	],
-	"close_fan_the_first_x_layers": [
-		"3"
-	],
-	"fan_cooling_layer_time": [
-		"60"
-	],
-	"slow_down_layer_time": [
-		"8"
-	],
-	"slow_down_min_speed": [
-		"30"
-	],
-	"default_filament_colour": [
-		"#FFFFFF"
-	],
-	"filament_max_volumetric_speed": [
-		"22"
-	]
-}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
ExPikaPaka	8ecfee6a21	Save where the panel was left, and recover a texture the archive lacks The project carried the layer stack but not the user's place in it: a reopened project landed on slot 0 in Standard, whatever they had been editing. The active layer and Standard/Pro now live on the volume, next to the rest of its options, and come back with it. Docked/undocked goes to the application config instead - it describes the user's window, not the model, so opening someone else's project must not move their panel. A layer whose image_data was empty at save time was written with no texture and came back with none. It now falls back to the file the layer came from, which the importer put in the user's own texture library, so a project reopened on the same machine keeps its pixels. The texture is always stored as .png: the importer converts whatever the user picked, so the extension was being taken from a name that no longer described the bytes. Also adds v2_flip_edges to the cereal field list, which the undo stack was silently dropping.	2026-10-09 09:35:35 +02:00
ExPikaPaka	fbf4652e12	Fix the build and clang-tidy failures in the persistence change The round-trip test named a TextureTileMethod enumerator that does not exist (MirroredRepeat, not Mirror) and used a bare Approx, which Catch2 v3 keeps in its own namespace. The rest of the file compares floats with WithinAbs, so these follow it rather than reaching for Catch::Approx. bbs_3mf.cpp reads and writes the layer JSON but picked up the declarations through another header, and the same for boost::to_lower.	2026-10-09 09:05:42 +02:00
ExPikaPaka	be9ff50130	Merge remote-tracking branch 'origin/main' into feature/texdisp-3mf-persistence # Conflicts: # src/libslic3r/TextureDisplacement.cpp	2026-10-09 09:03:51 +02:00
SoftFever	dee1f1715f	Merge branch 'main' into feature/texdisp-3mf-persistence	2026-10-09 12:15:16 +08:00
ExPikaPaka	fcb1f62bd9	Save texture displacement in the project file A painted relief did not survive closing the project: nothing about the feature was written to the .3mf, so the layers, their textures and the paint mask were all lost on save. The layer struct's cereal save()/load() serve the undo/redo stack only, which is one session and one binary stream. Write the layer stack and the per-volume options as JSON in the archive, and each layer's texture as the image file it was loaded from, both referenced by path - the same split EmbossShape already makes for its SVG. The image stays out of the XML deliberately: it is binary and routinely megabytes, and base64 in an attribute would bloat the one file every reader parses just to list the objects. JSON rather than the cereal stream next to it because that one is positional and unversioned, which would make every future field a project-breaking change; an unknown key is ignored and a missing one keeps its default, so a project written by either side keeps loading. The paint masks go in as one attribute per layer slot, mirroring paint_color. Older readers ignore attributes they do not know, so a project written here still opens in a build without the feature - it loses the relief, which is all it could have done with it anyway. The layers are restored while the volume is being built rather than after the archive is walked: volumes are constructed only once the whole archive has been read, so a hook placed after the walk ran before any volume existed and restored nothing.	2026-10-05 08:36:22 +02:00
				`@@ -1 +0,0 @@`
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