test: reset virtual trays in the generic AMS tray index map case

* perf: write post-processed G-code without a per-line copy

* perf: size the post-process line map from the first pass

* test: line ends of the exported G-code

* test: include the headers the line-ends test and gcode() helper use

scripts/clang_tidy_diff.py

@@ -8,6 +8,9 @@ include) fails wherever the error is. Headers are compiled on their own, and
 fail only on errors in their changed lines. Deleting an #include also fails
 on every use, changed or not, that now lacks the header it provided.
 
+With -- --fix, clang-tidy adds the missing includes, on those lines only, and
+each file it changed is checked again so that only what remains is reported.
+
 The checks come from .clang-tidy at the repository root. The compile database
 must come from a configure with SLIC3R_PCH=OFF, or the precompiled header hides
 missing includes.
@@ -102,9 +105,10 @@ def is_checked(path):
 
 def changed_files(merge_base):
     # Against the working tree, so a local run covers uncommitted edits too.
-    # core.quotePath=false keeps a non-ASCII path unquoted, so parse_diff sees its b/ prefix.
+    # core.quotePath=false keeps a non-ASCII path unquoted, and the explicit prefixes
+    # override diff.noprefix and diff.mnemonicPrefix, so parse_diff sees its b/ prefix.
     diff = subprocess.run(["git", "-c", "core.quotePath=false", "diff", "-U0", "--no-color", "--no-ext-diff",
-                           "--diff-filter=AMR", merge_base],
+                           "--src-prefix=a/", "--dst-prefix=b/", "--diff-filter=AMR", merge_base],
                           check=True, capture_output=True, **UTF8).stdout
     return {path: change for path, change in parse_diff(diff).items() if is_checked(path)}
 
@@ -201,13 +205,19 @@ def errors_alone_at(revision, clang_tidy, build_dir, path):
 
 
 def check_file(clang_tidy, build_dir, merge_base, path, change, extra_args):
-    """Run clang-tidy on one file and return (failed, output, failing diagnostics)."""
+    """Run clang-tidy on one file and return (failed, output, failing diagnostics, fixed)."""
+    fixing = any(arg.startswith("--fix") for arg in extra_args)
+    if fixing:
+        with open(path, "rb") as f:
+            before = f.read()
     # A deleted include can orphan uses on unchanged lines, so such a file is
-    # checked whole and the findings narrowed here. --fix keeps the line filter
-    # so it never rewrites unrelated code.
-    whole = bool(change.removed_includes) and not extra_args
+    # checked whole and the findings narrowed here. --fix keeps a line filter so
+    # it never rewrites unrelated code, which for such a file means a second,
+    # fixing run limited to the lines the first one found wanting.
+    whole = bool(change.removed_includes)
     returncode, output, diagnostics = run_clang_tidy(clang_tidy, build_dir, path,
-                                                     None if whole else change.lines, extra_args)
+                                                     None if whole else change.lines,
+                                                     [] if whole else extra_args)
     real = os.path.realpath(path)
 
     def introduced(d):
@@ -223,14 +233,25 @@ def check_file(clang_tidy, build_dir, merge_base, path, change, extra_args):
         if errors and change.removed_includes:
             with open(path, encoding="utf-8") as f:
                 text = f.read()
-            before = errors_alone_at(merge_base, clang_tidy, build_dir, path)
+            before_sites = errors_alone_at(merge_base, clang_tidy, build_dir, path)
             failing += [d for d in errors if d not in failing
-                        and (error_sites([d], text) - before)]
-        return bool(failing), output, failing
-    if whole:
+                        and (error_sites([d], text) - before_sites)]
+        failed = bool(failing)
+    elif whole:
         failing = [d for d in diagnostics if d.is_compile_error or introduced(d)]
-        return bool(failing), output, failing
-    return returncode != 0, output, diagnostics
+        failed = bool(failing)
+    else:
+        failing, failed = diagnostics, returncode != 0
+    if not fixing:
+        return failed, output, failing, False
+    if whole and failing:
+        lines = change.lines + [[d.line, d.line] for d in failing if os.path.realpath(d.file) == real]
+        run_clang_tidy(clang_tidy, build_dir, path, lines, extra_args)
+    with open(path, "rb") as f:
+        if f.read() == before:
+            return failed, output, failing, False
+    # Checked again, so what is reported is what the fixes left.
+    return check_file(clang_tidy, build_dir, merge_base, path, change, [])[:3] + (True,)
 
 
 def main():
@@ -263,11 +284,14 @@ def main():
     annotate = os.environ.get("GITHUB_ACTIONS") == "true"
     root = os.getcwd() + os.sep
     failed = []
+    fixed = []
     with ThreadPoolExecutor(max_workers=args.jobs) as pool:
         jobs = {path: pool.submit(check_file, args.clang_tidy, args.build_dir, merge_base, path, change, args.extra_args)
                 for path, change in todo}
         for path, job in jobs.items():
-            file_failed, output, diagnostics = job.result()
+            file_failed, output, diagnostics, file_fixed = job.result()
+            if file_fixed:
+                fixed.append(path)
             if not file_failed:
                 continue
             failed.append(path)
@@ -282,6 +306,13 @@ def main():
             if len(diagnostics) > MAX_REPORTED:
                 print(f"... and {len(diagnostics) - MAX_REPORTED} more")
 
+    if fixed:
+        print(f"\nAdded includes to {len(fixed)} file(s):")
+        for path in fixed:
+            print(f"    {path}")
+    if failed and fixed:
+        print(f"\nclang-tidy still fails on {len(failed)} file(s); the findings above are what --fix could not add.")
+        return 1
     if failed:
         print(f"\nclang-tidy failed on {len(failed)} file(s). Add the includes it names, or apply its "
               "suggestions locally with scripts/run_clang_tidy.sh --fix (scripts\\run_clang_tidy.ps1 -Fix on Windows).")

scripts/run_clang_tidy.sh

@@ -6,8 +6,9 @@
 #   scripts/run_clang_tidy.sh --fix      also add the missing includes it names
 #
 # It configures a separate build directory (build-tidy) without the precompiled
-# header, installs the pinned clang-tidy into a virtual environment inside it, and
-# runs scripts/clang_tidy_diff.py the way CI does. Uncommitted changes are checked too.
+# header, uses the clang-tidy on your system or installs the pinned one into a
+# virtual environment inside it, and runs scripts/clang_tidy_diff.py the way CI
+# does. Uncommitted changes are checked too.
 
 set -euo pipefail
 
@@ -23,7 +24,8 @@ Usage: scripts/run_clang_tidy.sh [options]
                        deps/build/<arch> on macOS)
   -j, --jobs N         parallel clang-tidy runs (default: all cores)
       --fix            apply clang-tidy's fixes (adds the missing includes)
-  -y, --yes            install missing tools without asking
+  -y, --yes            install missing tools without asking; another clang-tidy
+                       version found on the system is then not offered
   -h, --help           show this help
 EOF
 }
@@ -136,12 +138,38 @@ REQUIREMENTS="$ROOT/scripts/clang_tidy_requirements.txt"
 PINNED=$(sed -n 's/^clang-tidy==//p' "$REQUIREMENTS")
 VENV="$BUILD_DIR/clang-tidy-venv"
 
-if [ -n "${CLANG_TIDY:-}" ]; then
+is_pinned() {
+    [ -x "$1" ] && "$1" --version 2>/dev/null | grep -q "version $PINNED"
+}
+
+CLANG_TIDY="${CLANG_TIDY:-}"
+if [ -n "$CLANG_TIDY" ]; then
     # Set by the caller: use it as is.
-    :
+    is_pinned "$CLANG_TIDY" || echo "Warning: $CLANG_TIDY is not clang-tidy $PINNED, so results may differ from CI." >&2
 else
+    # One already on the system comes first: the pinned version outright, another
+    # version if the user accepts the difference. The pinned version is installed
+    # into a virtual environment otherwise.
+    INSTALLED=""
+    for candidate in $(command -v clang-tidy "clang-tidy-${PINNED%%.*}" || true) \
+                     "/usr/lib/llvm-${PINNED%%.*}/bin/clang-tidy" \
+                     "$(brew --prefix llvm 2>/dev/null || true)/bin/clang-tidy"; do
+        if is_pinned "$candidate"; then
+            CLANG_TIDY="$candidate"
+            break
+        fi
+        [ -z "$INSTALLED" ] && [ -x "$candidate" ] && INSTALLED="$candidate"
+    done
+    if [ -z "$CLANG_TIDY" ] && [ -n "$INSTALLED" ] && [ "$YES" = 0 ] && ! is_pinned "$VENV/bin/clang-tidy"; then
+        echo "Found $INSTALLED, which is $("$INSTALLED" --version | sed -n 's/.*version \([0-9.]*\).*/\1/p' | head -n 1), not the $PINNED CI uses, so results may differ slightly."
+        if ask "Use it anyway?"; then
+            CLANG_TIDY="$INSTALLED"
+        fi
+    fi
+fi
+if [ -z "$CLANG_TIDY" ]; then
     CLANG_TIDY="$VENV/bin/clang-tidy"
-    if [ ! -x "$CLANG_TIDY" ] || ! "$CLANG_TIDY" --version | grep -q "version $PINNED"; then
+    if ! is_pinned "$CLANG_TIDY"; then
         if ask "clang-tidy $PINNED (the version CI uses) is not installed. Install it into $VENV?"; then
             mkdir -p "$BUILD_DIR"
             if ! python3 -m venv "$VENV"; then
@@ -158,9 +186,6 @@ else
         fi
     fi
 fi
-if ! "$CLANG_TIDY" --version | grep -q "version $PINNED"; then
-    echo "Warning: $CLANG_TIDY is not clang-tidy $PINNED, so results may differ from CI." >&2
-fi
 
 # --- Dependencies -------------------------------------------------------------
 
@@ -217,7 +242,12 @@ cmake --build "$BUILD_DIR" --target git_commit_hash_header >/dev/null
 
 if [ -z "$BASE" ]; then
     REMOTE=$(git remote -v | awk '/github\.com[:\/]OrcaSlicer\/OrcaSlicer(\.git)? \(fetch\)/ { print $1; exit }')
-    REMOTE="${REMOTE:-origin}"
+    if [ -z "$REMOTE" ]; then
+        # Against a fork's main that already has the commits, nothing is checked.
+        echo "Warning: no remote points at github.com/OrcaSlicer/OrcaSlicer, so this compares against origin/main." >&2
+        echo "If origin is your fork, add the upstream remote (git remote add upstream https://github.com/OrcaSlicer/OrcaSlicer.git) or pass --base." >&2
+        REMOTE=origin
+    fi
     if [ "$FETCH" = 1 ]; then
         git fetch --quiet "$REMOTE" main
     fi

scripts/tests/test_clang_tidy_diff.py

@@ -155,6 +155,8 @@ class TestSubprocessCalls(unittest.TestCase):
         diff = "+++ b/src/libslic3r/Über.cpp\n@@ -1,0 +2 @@\n+// 打印\n"
         files, call, _ = self.run_patched(clang_tidy_diff.changed_files, "base", stdout=diff)
         self.assertIn("core.quotePath=false", call.args[0])
+        # Whatever diff.noprefix or diff.mnemonicPrefix a user has set.
+        self.assertIn("--dst-prefix=b/", call.args[0])
         self.assertEqual(call.kwargs["encoding"], "utf-8")
         self.assertEqual(files["src/libslic3r/Über.cpp"].lines, [[2, 2]])
 
@@ -167,5 +169,60 @@ class TestSubprocessCalls(unittest.TestCase):
         self.assertEqual(call.kwargs["encoding"], "utf-8")
 
 
+class TestCheckFileFix(unittest.TestCase):
+    """check_file with -- --fix: what clang-tidy is run on, and what is reported afterwards."""
+
+    def setUp(self):
+        self.dir = tempfile.TemporaryDirectory()
+        self.addCleanup(self.dir.cleanup)
+        self.path = os.path.join(self.dir.name, "Color.cpp")
+        with open(self.path, "w") as f:
+            f.write("int x;\n")
+
+    def finding(self, line, include=""):
+        return clang_tidy_diff.Diagnostic(self.path, line, 1, "error",
+                                          'no header providing "x" is directly included [misc-include-cleaner]', include)
+
+    def check(self, change, results, fix_writes=None):
+        """Run check_file with run_clang_tidy answering from `results` in turn; the --fix run
+        rewrites the file with `fix_writes` when given. Returns (result, calls)."""
+        calls = []
+
+        def run(clang_tidy, build_dir, path, lines, extra_args):
+            calls.append((lines, extra_args))
+            if "--fix" in extra_args and fix_writes is not None:
+                with open(path, "w") as f:
+                    f.write(fix_writes)
+            return results[len(calls) - 1]
+
+        with mock.patch.object(clang_tidy_diff, "run_clang_tidy", side_effect=run):
+            result = clang_tidy_diff.check_file("clang-tidy", "build", "base", self.path, change, ["--fix"])
+        return result, calls
+
+    def test_a_deleted_include_is_fixed_on_the_lines_it_orphaned_only(self):
+        change = clang_tidy_diff.FileChange(lines=[[4, 4]], removed_includes={"libslic3r/Point.hpp"})
+        orphaned = self.finding(50, "<libslic3r/Point.hpp>")
+        unrelated = self.finding(60, "<vector>")
+        (failed, _, failing, fixed), calls = self.check(
+            change, [(1, "", [orphaned, unrelated]), (1, "", [orphaned]), (0, "", [])], fix_writes="#include <libslic3r/Point.hpp>\n")
+        self.assertEqual(calls, [(None, []), ([[4, 4], [50, 50]], ["--fix"]), (None, [])])
+        self.assertEqual((failed, failing, fixed), (False, [], True))
+
+    def test_a_file_the_fix_did_not_change_keeps_its_findings(self):
+        change = clang_tidy_diff.FileChange(lines=[[4, 4]])
+        error = clang_tidy_diff.Diagnostic(self.path, 4, 1, "error", "unknown type name 'Foo' [clang-diagnostic-error]")
+        (failed, _, failing, fixed), calls = self.check(change, [(1, "", [error])])
+        self.assertEqual(calls, [([[4, 4]], ["--fix"])])
+        self.assertEqual((failed, failing, fixed), (True, [error], False))
+
+    def test_a_changed_file_is_checked_again_and_reports_what_is_left(self):
+        change = clang_tidy_diff.FileChange(lines=[[4, 4]])
+        error = clang_tidy_diff.Diagnostic(self.path, 4, 1, "error", "unknown type name 'Foo' [clang-diagnostic-error]")
+        (failed, _, failing, fixed), calls = self.check(
+            change, [(1, "", [self.finding(4, "<vector>"), error]), (1, "", [error])], fix_writes="#include <vector>\n")
+        self.assertEqual(calls, [([[4, 4]], ["--fix"]), ([[4, 4]], [])])
+        self.assertEqual((failed, failing, fixed), (True, [error], True))
+
+
 if __name__ == "__main__":
     unittest.main()

src/libslic3r/GCode/GCodeProcessor.cpp

@@ -751,6 +751,50 @@ template<typename T>
     }
 }
 
+namespace {
+// Writes G-code to a file in blocks and records in lines_ends the file offset after every '\n'
+class GCodeFileWriter
+{
+public:
+    GCodeFileWriter(FilePtr& out, const std::string& out_path, std::vector<size_t>& lines_ends, const char* error_message)
+        : m_out(out), m_out_path(out_path), m_lines_ends(lines_ends), m_error_message(error_message)
+    {}
+    ~GCodeFileWriter() { assert(m_buffer.empty() || std::uncaught_exceptions() > 0); }
+
+    void append(std::string_view text)
+    {
+        const size_t text_pos = m_file_pos + m_buffer.size();
+        for (size_t i = text.find('\n'); i != std::string_view::npos; i = text.find('\n', i + 1))
+            m_lines_ends.emplace_back(text_pos + i + 1);
+        m_buffer += text;
+        if (m_buffer.size() >= GCodeProcessor::Output_Block_Size)
+            flush();
+    }
+
+    void flush()
+    {
+        if (m_buffer.empty())
+            return;
+        fwrite(m_buffer.data(), 1, m_buffer.size(), m_out.f);
+        if (ferror(m_out.f)) {
+            m_out.close();
+            boost::nowide::remove(m_out_path.c_str());
+            throw Slic3r::RuntimeError(m_error_message);
+        }
+        m_file_pos += m_buffer.size();
+        m_buffer.clear();
+    }
+
+private:
+    FilePtr&             m_out;
+    const std::string&   m_out_path;
+    std::vector<size_t>& m_lines_ends;
+    const char*          m_error_message;
+    std::string          m_buffer;
+    size_t               m_file_pos{0};
+};
+} // namespace
+
 // Helper class to modify and export gcode to file
 class ExportLines
 {
@@ -765,16 +809,6 @@ public:
     enum class EWriteType { BySize, ByTime };
 
 private:
-    static void update_lines_ends_and_out_file_pos(const std::string& out_string, std::vector<size_t>& lines_ends, size_t* out_file_pos)
-    {
-        for (size_t i = 0; i < out_string.size(); ++i) {
-            if (out_string[i] == '\n')
-                lines_ends.emplace_back((out_file_pos != nullptr) ? *out_file_pos + i + 1 : i + 1);
-        }
-        if (out_file_pos != nullptr)
-            *out_file_pos += out_string.size();
-    }
-
     struct LineData
     {
         std::string                                                                        line;
@@ -814,12 +848,14 @@ private:
     EWriteType m_write_type{EWriteType::BySize};
     // Time machines containing g1 times cache
     const std::array<GCodeProcessor::TimeMachine, static_cast<size_t>(PrintEstimatedStatistics::ETimeMode::Count)>& m_machines;
+    // Output file writer
+    GCodeFileWriter& m_writer;
     // Current time
     std::array<float, static_cast<size_t>(PrintEstimatedStatistics::ETimeMode::Count)> m_times{0.0f, 0.0f};
-    // Current size in bytes
+    // Current size of the cache in bytes
     size_t m_size{0};
 
-    // gcode lines cache
+    // gcode lines cache, used only when writing by time
     std::deque<LineData> m_lines;
     size_t               m_added_lines_counter{0};
     // map of gcode line ids from original to final
@@ -827,16 +863,16 @@ private:
     std::vector<std::pair<size_t, size_t>> m_gcode_lines_map;
 
     size_t m_times_cache_id{0};
-    size_t m_out_file_pos{0};
 
 public:
-    ExportLines(EWriteType type, const std::array<GCodeProcessor::TimeMachine, static_cast<size_t>(PrintEstimatedStatistics::ETimeMode::Count)>& machines)
+    ExportLines(EWriteType type, const std::array<GCodeProcessor::TimeMachine, static_cast<size_t>(PrintEstimatedStatistics::ETimeMode::Count)>& machines, GCodeFileWriter& writer)
 #ifndef NDEBUG
         : m_statistics(*this)
         , m_write_type(type)
-        , m_machines(machines){}
+        , m_machines(machines)
+        , m_writer(writer){}
 #else
-        : m_write_type(type), m_machines(machines)
+        : m_write_type(type), m_machines(machines), m_writer(writer)
     {}
 #endif // NDEBUG
 
@@ -890,11 +926,14 @@ public:
         if (line.empty())
             return;
 
-        m_lines.push_back({line, m_times});
+        if (m_write_type == EWriteType::ByTime) {
+            m_lines.push_back({line, m_times});
 #ifndef NDEBUG
-        m_statistics.add_line(line.length());
+            m_statistics.add_line(line.length());
 #endif // NDEBUG
-        m_size += line.length();
+            m_size += line.length();
+        } else
+            m_writer.append(line);
         ++m_added_lines_counter;
         if (!ignore_from_move) {
             assert(!m_gcode_lines_map.empty());
@@ -960,65 +999,35 @@ public:
         }
     }
 
-    // write to file:
-    // m_write_type == EWriteType::ByTime - all lines older than m_time - backtrace_time
-    // m_write_type == EWriteType::BySize - all lines if current size is greater than 65535 bytes
-    void write(FilePtr& out, float backtrace_time, GCodeProcessorResult& result, const std::string& out_path)
+    // when writing by time, pass the cached lines older than m_times[Normal] - backtrace_time to the writer
+    void write(float backtrace_time)
     {
-        if (m_lines.empty())
+        if (m_write_type != EWriteType::ByTime)
             return;
 
-        // collect lines to write into a single string
-        std::string out_string;
-        if (!m_lines.empty()) {
-            if (m_write_type == EWriteType::ByTime) {
-                while (m_lines.front().times[Normal] < m_times[Normal] - backtrace_time) {
-                    const LineData& data = m_lines.front();
-                    out_string += data.line;
-                    m_size -= data.line.length();
-                    m_lines.pop_front();
+        while (!m_lines.empty() && m_lines.front().times[Normal] < m_times[Normal] - backtrace_time) {
+            const LineData& data = m_lines.front();
+            m_writer.append(data.line);
+            m_size -= data.line.length();
+            m_lines.pop_front();
 #ifndef NDEBUG
-                    m_statistics.remove_line();
+            m_statistics.remove_line();
 #endif // NDEBUG
-                }
-            } else {
-                if (m_size > 65535) {
-                    while (!m_lines.empty()) {
-                        out_string += m_lines.front().line;
-                        m_lines.pop_front();
-                    }
-                    m_size = 0;
-#ifndef NDEBUG
-                    m_statistics.remove_all_lines();
-#endif // NDEBUG
-                }
-            }
-        }
-
-        {
-            write_to_file(out, out_string, result, out_path);
-            update_lines_ends_and_out_file_pos(out_string, result.lines_ends, &m_out_file_pos);
         }
     }
 
-    // flush the current content of the cache to file
-    void flush(FilePtr& out, GCodeProcessorResult& result, const std::string& out_path)
+    // flush the current content of the cache and the writer to file
+    void flush()
     {
-        // collect lines to flush into a single string
-        std::string out_string;
         while (!m_lines.empty()) {
-            out_string += m_lines.front().line;
+            m_writer.append(m_lines.front().line);
             m_lines.pop_front();
         }
         m_size = 0;
 #ifndef NDEBUG
         m_statistics.remove_all_lines();
 #endif // NDEBUG
-
-        {
-            write_to_file(out, out_string, result, out_path);
-            update_lines_ends_and_out_file_pos(out_string, result.lines_ends, &m_out_file_pos);
-        }
+        m_writer.flush();
     }
 
     void synchronize_moves(GCodeProcessorResult& result) const
@@ -1051,20 +1060,7 @@ public:
 
     size_t get_size() const { return m_size; }
 
-private:
-    void write_to_file(FilePtr& out, const std::string& out_string, GCodeProcessorResult& result, const std::string& out_path)
-    {
-        if (!out_string.empty()) {
-            if (true) {
-                fwrite((const void*) out_string.c_str(), 1, out_string.length(), out.f);
-                if (ferror(out.f)) {
-                    out.close();
-                    boost::nowide::remove(out_path.c_str());
-                    throw Slic3r::RuntimeError("GCode processor post process export failed.\nIs the disk full?");
-                }
-            }
-        }
-    }
+    void reserve(size_t lines_count) { m_gcode_lines_map.reserve(lines_count); }
 };
 
 void GCodeProcessor::run_post_process()
@@ -1160,8 +1156,13 @@ void GCodeProcessor::run_post_process()
         last_exported_stop[i] = time_in_minutes(m_time_processor.machines[i].time);
     }
 
+    m_result.lines_ends.clear();
+    // m_result.lines_ends.emplace_back(std::vector<size_t>());
+    GCodeFileWriter writer(out, out_path, m_result.lines_ends, "GCode processor post process export failed.\nIs the disk full?");
     ExportLines export_line(m_result.backtrace_enabled ? ExportLines::EWriteType::ByTime : ExportLines::EWriteType::BySize,
-        m_time_processor.machines);
+        m_time_processor.machines, writer);
+    // The line map holds an entry for each line of the file, and the first pass counted them
+    export_line.reserve(m_line_id);
 
     // replace placeholder lines with the proper final value
     // gcode_line is in/out parameter, to reduce expensive memory allocation
@@ -1535,9 +1536,6 @@ void GCodeProcessor::run_post_process()
         }
     };
 
-    m_result.lines_ends.clear();
-    // m_result.lines_ends.emplace_back(std::vector<size_t>());
-
     // Orca: freshly collect SKIPPABLE ranges each post-process pass. The ranges are stored on the
     // member (rather than a local) so the injection pass can consume them, hence the clear here to
     // avoid stale ranges on re-invocation.
@@ -1802,7 +1800,7 @@ void GCodeProcessor::run_post_process()
 
                     if (!gcode_line.empty())
                         export_line.append_line(gcode_line);
-                    export_line.write(out, 1.1f * max_backtrace_time, m_result, out_path);
+                    export_line.write(1.1f * max_backtrace_time);
                     gcode_line.clear();
                 }
             }
@@ -1844,7 +1842,7 @@ void GCodeProcessor::run_post_process()
         }
     }
 
-    export_line.flush(out, m_result, out_path);
+    export_line.flush();
 
     out.close();
     in.close();
@@ -1992,31 +1990,13 @@ void GCodeProcessor::run_second_pass_injection()
     // The rewrite may shift byte positions (once the injector inserts lines), so rebuild lines_ends from scratch.
     // With an empty map the scanned '\n' offsets reproduce the current lines_ends exactly.
     m_result.lines_ends.clear();
-    size_t out_file_pos = 0;
-
-    auto write_out = [&out, &out_path, this, &out_file_pos](std::string& str) {
-        if (str.empty())
-            return;
-        fwrite((const void*) str.c_str(), 1, str.length(), out.f);
-        if (ferror(out.f)) {
-            out.close();
-            boost::nowide::remove(out_path.c_str());
-            throw Slic3r::RuntimeError(std::string("GCode processor pre-heat injection pass failed.\nIs the disk full?\n"));
-        }
-        for (size_t i = 0; i < str.size(); ++i) {
-            if (str[i] == '\n')
-                m_result.lines_ends.emplace_back(out_file_pos + i + 1);
-        }
-        out_file_pos += str.size();
-        str.clear();
-    };
+    GCodeFileWriter writer(out, out_path, m_result.lines_ends, "GCode processor pre-heat injection pass failed.\nIs the disk full?\n");
 
     // Orca: read/split lines with EOL-preserving semantics (keep the original \r and \n bytes, and
     // synthesize no trailing newline). This is required for the empty-map identity: normalizing every
     // line ending to "\n" would not be byte-identical if the finished file used \r\n or lacked a
     // final newline.
     std::string gcode_line;
-    std::string export_buffer;
     unsigned int line_id = 0;
     auto op_it = inserted_operation_lines.begin();
     std::vector<char> buffer(65536 * 10, 0);
@@ -2058,16 +2038,14 @@ void GCodeProcessor::run_second_pass_injection()
                     }
                     ++op_it;
                 }
-                export_buffer += gcode_line;
+                writer.append(gcode_line);
                 gcode_line.clear();
-                if (export_buffer.length() >= 65536)
-                    write_out(export_buffer);
             }
         }
         if (eof)
             break;
     }
-    write_out(export_buffer);
+    writer.flush();
 
     out.close();
     in.close();

src/libslic3r/GCode/GCodeProcessor.hpp

@@ -491,6 +491,9 @@ class Print;
         static const std::string VFlush_End_Tag;
         static const std::string External_Purge_Tag;
     public:
+        // Size of the blocks the post-processing passes write the G-code in
+        static constexpr size_t Output_Block_Size = 65536;
+
         // Orca: SKIPPABLE region tags, stored as static strings (the FLUSH idiom above) rather than
         // a CustomETags/CustomTags array. Public so the emission sites (WipeTower / change_filament
         // path) can reference them single-sourced.

src/slic3r/GUI/DeviceCore/DevDefs.h

@@ -163,8 +163,8 @@ public:
     ~devPrinterUtil() = delete;
 
 public:
-    static bool IsVirtualSlot(int ams_id) { return (ams_id == VIRTUAL_TRAY_MAIN_ID || ams_id == VIRTUAL_TRAY_DEPUTY_ID);}
-    static bool IsVirtualSlot(const std::string& ams_id) { return (ams_id == VIRTUAL_AMS_MAIN_ID_STR || ams_id == VIRTUAL_AMS_DEPUTY_ID_STR); }
+    static bool IsVirtualSlot(int ams_id);
+    static bool IsVirtualSlot(const std::string& ams_id);
 };
 
 namespace GUI
@@ -200,4 +200,4 @@ template<> struct std::hash<NozzleDef>
 };
 
 // key(extruder_id) -> { key1(nozzle type info), val1( number of the nozzle type)}
-using ExtruderNozzleInfos = std::unordered_map<int, std::unordered_map<NozzleDef, int>>;
+using ExtruderNozzleInfos = std::unordered_map<int, std::unordered_map<NozzleDef, int>>;

src/slic3r/GUI/DeviceCore/DevFilaSystem.cpp

@@ -8,6 +8,7 @@
 #include <cstdlib>
 #include <chrono>
 #include <nlohmann/json.hpp>
+#include <wx/app.h>
 #include <wx/colour.h>
 #include <string>
 #include <wx/string.h>
@@ -34,6 +35,25 @@
 using namespace nlohmann;
 
 namespace Slic3r {
+
+bool devPrinterUtil::IsVirtualSlot(int ams_id)
+{
+    if (wxTheApp == nullptr || GUI::wxGetApp().preset_bundle == nullptr || GUI::wxGetApp().preset_bundle->is_bbl_vendor())
+        return ams_id == VIRTUAL_TRAY_MAIN_ID || ams_id == VIRTUAL_TRAY_DEPUTY_ID;
+
+    const int extruder_count = GUI::wxGetApp().preset_bundle->get_printer_extruder_count();
+    return ams_id >= VIRTUAL_TRAY_MAIN_ID - extruder_count + 1 && ams_id <= VIRTUAL_TRAY_MAIN_ID;
+}
+
+bool devPrinterUtil::IsVirtualSlot(const std::string& ams_id)
+{
+    try {
+        return IsVirtualSlot(std::stoi(ams_id));
+    } catch (...) {
+        return false;
+    }
+}
+
 static int _hex_digit_to_int(const char c) { return (c >= '0' && c <= '9') ? c - '0' : (c >= 'A' && c <= 'F') ? c - 'A' + 10 : (c >= 'a' && c <= 'f') ? c - 'a' + 10 : -1; }
 
 wxColour DevAmsTray::decode_color(const std::string &color)
@@ -212,7 +232,7 @@ int DevAms::GetSlotCount() const
         return 1;
     }
 
-    return 1;
+    return static_cast<int>(m_trays.size());
 }
 
 DevAmsTray* DevAms::GetTray(const std::string& tray_id) const
@@ -303,13 +323,21 @@ int DevFilaSystem::GetExtruderIdByAmsId(const std::string& ams_id) const
     {
         return it->second->GetExtruderId();
     }
-    else if (stoi(ams_id) == VIRTUAL_TRAY_MAIN_ID)
-    {
-        return MAIN_EXTRUDER_ID;
+
+    const bool is_bbl_vendor = wxTheApp != nullptr && GUI::wxGetApp().preset_bundle != nullptr && GUI::wxGetApp().preset_bundle->is_bbl_vendor();
+    if (!is_bbl_vendor && GetOwner()) {
+        for (const auto& tray : GetOwner()->vt_slot) {
+            if (tray.id == ams_id)
+                return VIRTUAL_TRAY_MAIN_ID - std::stoi(ams_id);
+        }
     }
-    else if (stoi(ams_id) == VIRTUAL_TRAY_DEPUTY_ID)
-    {
+
+    if (is_bbl_vendor && ams_id == VIRTUAL_AMS_MAIN_ID_STR)
+        return MAIN_EXTRUDER_ID;
+    if (is_bbl_vendor && ams_id == VIRTUAL_AMS_DEPUTY_ID_STR)
         return DEPUTY_EXTRUDER_ID;
+    if (!is_bbl_vendor && devPrinterUtil::IsVirtualSlot(ams_id)) {
+        return VIRTUAL_TRAY_MAIN_ID - std::stoi(ams_id);
     }
 
     assert(false && __FUNCTION__);
@@ -326,9 +354,22 @@ std::string DevFilaSystem::GetNozzleFlowStringByAmsId(const std::string& ams_id)
 std::map<int, DevAmsSlotId> DevFilaSystem::GetTrayIndexMap()
 {
     std::map<int, DevAmsSlotId> tray_id_map;
-    tray_id_map[VIRTUAL_TRAY_MAIN_ID]   = DevAmsSlotId{VIRTUAL_TRAY_MAIN_ID, 0};
-    tray_id_map[VIRTUAL_TRAY_DEPUTY_ID] = DevAmsSlotId{VIRTUAL_TRAY_DEPUTY_ID, 0};
+    const bool is_bbl_vendor = wxTheApp != nullptr && GUI::wxGetApp().preset_bundle != nullptr && GUI::wxGetApp().preset_bundle->is_bbl_vendor();
+    if (is_bbl_vendor) {
+        tray_id_map[VIRTUAL_TRAY_MAIN_ID]   = DevAmsSlotId{VIRTUAL_TRAY_MAIN_ID, 0};
+        tray_id_map[VIRTUAL_TRAY_DEPUTY_ID] = DevAmsSlotId{VIRTUAL_TRAY_DEPUTY_ID, 0};
+    } else if (GetOwner()) {
+        for (const auto& tray : GetOwner()->vt_slot) {
+            try {
+                const int tray_id = std::stoi(tray.id);
+                tray_id_map[tray_id] = DevAmsSlotId{tray_id, 0};
+            } catch (...) {
+                BOOST_LOG_TRIVIAL(warning) << __FUNCTION__ << " invalid virtual tray id: " << tray.id;
+            }
+        }
+    }
 
+    int generic_tray_index = 0;
     for (auto& [ams_id, ams_item] : GetAmsList()) {
         for (auto &[slot_id, slot_item] : ams_item->GetTrays()) {
             if (ams_item && slot_item) {
@@ -336,9 +377,11 @@ std::map<int, DevAmsSlotId> DevFilaSystem::GetTrayIndexMap()
                     int ams_id_int  = stoi(ams_id);
                     int slot_id_int = stoi(slot_id);
                     int tray_index  = -1;
-                    if (ams_item->GetAmsType() == DevAms::N3S) {
+                    if (!is_bbl_vendor) {
+                        tray_index = generic_tray_index + slot_id_int;
+                    } else if (ams_item->GetAmsType() == DevAms::N3S) {
                         tray_index = ams_id_int;
-                    } else if(ams_item->GetAmsType() == DevAms::AMS_LITE && ams_item->IsAmsLiteMixed()) {
+                    } else if (ams_item->GetAmsType() == DevAms::AMS_LITE && ams_item->IsAmsLiteMixed()) {
                         tray_index = 24 + slot_id_int;
                     } else {
                         tray_index = (ams_id_int * 4 + slot_id_int);
@@ -349,6 +392,8 @@ std::map<int, DevAmsSlotId> DevFilaSystem::GetTrayIndexMap()
                 }
             }
         }
+        if (!is_bbl_vendor)
+            generic_tray_index += static_cast<int>(ams_item->GetTrays().size());
     }
 
     return  tray_id_map;
@@ -914,6 +959,8 @@ void DevFilaSystemParser::ParseAgentFilament(const json& data, MachineObject* ob
             }
 
             ams->m_exist               = true;
+            ams->m_binded_extruder_set = {ext_id};
+            ams->m_binded_switcher_pos.reset();
             ams->m_current_temperature = u.value("temperature", (float) INVALID_AMS_TEMPERATURE);
             ams->m_humidity_percent    = u.value("humidity_percent", -1);
             ams->m_left_dry_time       = u.value("dry_time_min", 0);
@@ -996,16 +1043,22 @@ void DevFilaSystemParser::ParseAgentFilament(const json& data, MachineObject* ob
     }
 
     // --- external / direct spools -> obj->vt_slot ---
-    // extruder 0 -> main virtual slot, extruder >0 -> deputy.
+    // Keep one virtual slot per extruder. The legacy two-extruder mapping uses
+    // 255 for extruder 0 and 254 for extruder 1; continue that sequence for
+    // additional extruders (253, 252, ...).
     if (obj && data.contains("external") && data["external"].is_array())
     {
+        std::map<int, DevAmsTray> external_slots;
         obj->vt_slot.clear();
         for (const auto& e : data["external"])
         {
             if (!e.is_object())
                 continue;
             const int  ext   = e.value("extruder", MAIN_EXTRUDER_ID);
-            const int  vt_id = (ext == MAIN_EXTRUDER_ID) ? VIRTUAL_TRAY_MAIN_ID : VIRTUAL_TRAY_DEPUTY_ID;
+            if (ext < MAIN_EXTRUDER_ID || ext > VIRTUAL_TRAY_MAIN_ID)
+                continue;
+
+            const int  vt_id = VIRTUAL_TRAY_MAIN_ID - ext;
             DevAmsTray tray(std::to_string(vt_id));
             tray.is_exists       = e.value("loaded", false);
             tray.m_fila_type     = e.value("material", std::string());
@@ -1014,8 +1067,11 @@ void DevFilaSystemParser::ParseAgentFilament(const json& data, MachineObject* ob
             tray.nozzle_temp_min = std::to_string(e.value("nozzle_temp_min", 0));
             tray.nozzle_temp_max = std::to_string(e.value("nozzle_temp_max", 0));
             tray.remain          = e.value("remain_percent", -1);
-            obj->vt_slot.push_back(tray);
+            external_slots.insert_or_assign(ext, std::move(tray));
         }
+
+        for (auto& entry : external_slots)
+            obj->vt_slot.push_back(std::move(entry.second));
     }
 }
 

src/slic3r/GUI/DeviceCore/DevFilaSystem.h

@@ -349,7 +349,7 @@ public:
     DevAmsTray* GetAmsTray(const std::string& ams_id, const std::string& tray_id) const;
     void        CollectAmsColors(std::vector<wxColour>& ams_colors) const;
 
-    // Map a linear tray index -> {ams_id, slot_id}. Includes the two virtual (external-spool) trays,
+    // Map a linear tray index -> {ams_id, slot_id}. Includes virtual external-spool trays,
     // N3S single-slot units, and the A2L/N9 AMS-Lite-mixed layout (trays 24-27).
     std::map<int, DevAmsSlotId> GetTrayIndexMap();
 
@@ -434,4 +434,4 @@ struct DevFilamentDryingPreset
     float filament_dev_ams_drying_heat_distortion_temperature = 0.0f;
 };
 
-}// namespace Slic3r
+}// namespace Slic3r

src/slic3r/GUI/DeviceCore/DevNozzleSystem.cpp

@@ -27,6 +27,7 @@
 #include <unordered_map>
 #include <optional>
 #include <cmath>
+#include "slic3r/GUI/GUI_App.hpp"
 
 namespace Slic3r
 {
@@ -174,34 +175,48 @@ DevFirmwareVersionInfo DevNozzle::GetFirmwareInfo() const
 int DevNozzle::GetLogicExtruderId() const
 {
     int total_ext_count = GetTotalExtruderCount();
-    if (total_ext_count == 1) {
-        return LOGIC_UNIQUE_EXTRUDER_ID;
-    } else if (total_ext_count == 2) {
-        if (AtLeftExtruder()) {
-            return LOGIC_L_EXTRUDER_ID;
-        } else if (AtRightExtruder()) {
-            return LOGIC_R_EXTRUDER_ID;
+
+    if (GUI::wxGetApp().preset_bundle->is_bbl_vendor()) {
+        if (total_ext_count == 1) {
+            return LOGIC_UNIQUE_EXTRUDER_ID;
+        } else if (total_ext_count == 2) {
+            if (AtLeftExtruder()) {
+                return LOGIC_L_EXTRUDER_ID;
+            } else if (AtRightExtruder()) {
+                return LOGIC_R_EXTRUDER_ID;
+            }
         }
+
+        assert(0);
+        return LOGIC_UNIQUE_EXTRUDER_ID;
     }
 
-    assert(0);
-    return LOGIC_UNIQUE_EXTRUDER_ID;
+    // For some reason, BBL's logical extruder ID is inverted:
+    // physical extruder id = 0 (MAIN_EXTRUDER_ID) vs logical extruder id = 1 (LOGIC_R_EXTRUDER_ID)
+    // Likely because logical id reads from left to right (left = 0, right = 1)
+    // For generic N extruders, this inversion does not apply.
+    if (IsOnRack()) return INVALID_EXTRUDER_ID;
+    return m_nozzle_id;
 }
 
 int DevNozzle::GetExtruderId() const
 {
-    int total_ext_count = GetTotalExtruderCount();
-    if (total_ext_count == 1) {
-        return MAIN_EXTRUDER_ID;
-    } else if (total_ext_count == 2) {
-        if (AtRightExtruder()) {
+    if (GUI::wxGetApp().preset_bundle->is_bbl_vendor()) {
+        int total_ext_count = GetTotalExtruderCount();
+        if (total_ext_count == 1) {
             return MAIN_EXTRUDER_ID;
-        } else if (AtLeftExtruder()) {
-            return DEPUTY_EXTRUDER_ID;
+        } else if (total_ext_count == 2) {
+            if (AtRightExtruder()) {
+                return MAIN_EXTRUDER_ID;
+            } else if (AtLeftExtruder()) {
+                return DEPUTY_EXTRUDER_ID;
+            }
         }
+    
+        return MAIN_EXTRUDER_ID;
     }
 
-    return MAIN_EXTRUDER_ID;
+    return m_nozzle_id;
 }
 
 bool DevNozzle::AtLeftExtruder() const

src/slic3r/GUI/DeviceManager.cpp

@@ -65,6 +65,7 @@
 #include <unordered_set>
 #include <utility>
 #include <vector>
+#include <wx/app.h>
 #include <wx/colour.h>
 #include <tuple>
 #include <wx/dir.h>
@@ -1273,19 +1274,24 @@ int MachineObject::get_bed_temperature_limit()
 
 bool MachineObject::is_filament_installed()
 {
-    if (m_extder_system->GetTotalExtderCount() > 0) {
-        // right//or single
-        auto ext = m_extder_system->m_extders[MAIN_EXTRUDER_ID];
-        if (ext.m_ext_has_filament) {
+    // if (m_extder_system->GetTotalExtderCount() > 0) {
+    //     // right//or single
+    //     auto ext = m_extder_system->m_extders[MAIN_EXTRUDER_ID];
+    //     if (ext.m_ext_has_filament) {
+    //         return true;
+    //     }
+    // }
+    // /*left*/
+    // if (m_extder_system->GetTotalExtderCount() > 1) {
+    //     auto ext = m_extder_system->m_extders[DEPUTY_EXTRUDER_ID];
+    //     if (ext.m_ext_has_filament) {
+    //         return true;
+    //     }
+    // }
+
+    for (auto& ext : m_extder_system->m_extders) {
+        if (ext.m_ext_has_filament)
             return true;
-        }
-    }
-    /*left*/
-    if (m_extder_system->GetTotalExtderCount() > 1) {
-        auto ext = m_extder_system->m_extders[DEPUTY_EXTRUDER_ID];
-        if (ext.m_ext_has_filament) {
-            return true;
-        }
     }
     return false;
 }
@@ -5262,16 +5268,17 @@ DevAmsTray MachineObject::parse_vt_tray(json vtray)
 
 bool MachineObject::contains_tray(const std::string &ams_id, const std::string &tray_id) const
 {
-    if (ams_id != VIRTUAL_AMS_MAIN_ID_STR && ams_id != VIRTUAL_AMS_DEPUTY_ID_STR) {
-
+    const bool is_bbl_vendor = wxTheApp != nullptr && GUI::wxGetApp().preset_bundle != nullptr && GUI::wxGetApp().preset_bundle->is_bbl_vendor();
+    if (is_bbl_vendor && ams_id != VIRTUAL_AMS_MAIN_ID_STR && ams_id != VIRTUAL_AMS_DEPUTY_ID_STR)
         return m_fila_system->GetAmsTray(ams_id, tray_id) != nullptr;
-    } else {
+
+    if (!is_bbl_vendor || ams_id == VIRTUAL_AMS_MAIN_ID_STR || ams_id == VIRTUAL_AMS_DEPUTY_ID_STR) {
         for (const auto& tray : vt_slot) {
-            if (tray.id == ams_id) { return true; }
+            if (tray.id == ams_id) return true;
         }
     }
 
-    return false;
+    return !is_bbl_vendor && m_fila_system->GetAmsTray(ams_id, tray_id) != nullptr;
 }
 
 DevAmsTray MachineObject::get_tray(const std::string &ams_id, const std::string &tray_id) const
@@ -5281,13 +5288,19 @@ DevAmsTray MachineObject::get_tray(const std::string &ams_id, const std::string
         return DevAmsTray(tray_id);
     }
 
-    if (ams_id != VIRTUAL_AMS_MAIN_ID_STR && ams_id != VIRTUAL_AMS_DEPUTY_ID_STR) {
+    const bool is_bbl_vendor = wxTheApp != nullptr && GUI::wxGetApp().preset_bundle != nullptr && GUI::wxGetApp().preset_bundle->is_bbl_vendor();
+    if (is_bbl_vendor && ams_id != VIRTUAL_AMS_MAIN_ID_STR && ams_id != VIRTUAL_AMS_DEPUTY_ID_STR) {
         auto tray = m_fila_system->GetAmsTray(ams_id, tray_id);
-        if (tray) { return *tray;};
+        if (tray) return *tray;
     }
-    else {
+    else if (!is_bbl_vendor || ams_id == VIRTUAL_AMS_MAIN_ID_STR || ams_id == VIRTUAL_AMS_DEPUTY_ID_STR) {
         for (const auto &tray : vt_slot) {
-            if (tray.id == ams_id) { return tray; }
+            if (tray.id == ams_id) return tray;
+        }
+
+        if (!is_bbl_vendor) {
+            auto tray = m_fila_system->GetAmsTray(ams_id, tray_id);
+            if (tray) return *tray;
         }
     }
 

src/slic3r/GUI/GUI_ObjectLayers.cpp

@@ -41,19 +41,20 @@ namespace GUI
 ObjectLayers::ObjectLayers(wxWindow* parent) :
     OG_Settings(parent, true)
 {
-    m_grid_sizer = new wxFlexGridSizer(5, 0, wxGetApp().em_unit()); // Title, Min Z, "to", Max Z, unit & buttons sizer
+    m_grid_sizer = new wxFlexGridSizer(5, parent ? parent->FromDIP(2) : 2, wxGetApp().em_unit()); // Title, Min Z, "to", Max Z, buttons sizer
     m_grid_sizer->SetFlexibleDirection(wxHORIZONTAL);
     m_grid_sizer->AddGrowableCol(1);
     m_grid_sizer->AddGrowableCol(3);
 
     m_og->activate();
     m_og->sizer->Clear(true);
-    m_og->sizer->Add(m_grid_sizer, 0, wxEXPAND | wxLEFT | wxRIGHT, 5);
+    m_og->sizer->Add(m_grid_sizer, 0, wxEXPAND | wxLEFT | wxRIGHT, parent ? parent->FromDIP(2) : 2);
     if (auto stb = dynamic_cast<LabeledStaticBox*>(m_og->stb))
         stb->SetCornerRadius(0);
 
     m_bmp_delete    = ScalableBitmap(parent, "delete");
     m_bmp_add       = ScalableBitmap(parent, "add");
+    m_bmp_layer     = ScalableBitmap(parent, "height_range_layer");
 }
 
 void ObjectLayers::select_editor(LayerRangeEditor* editor, const bool is_last_edited_range)
@@ -95,10 +96,14 @@ wxSizer* ObjectLayers::create_layer(const t_layer_height_range& range, PlusMinus
     };
 
     // Add text
-    auto head_text = new wxStaticText(m_og->ctrl_parent(), wxID_ANY, _L("Height Range"), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_END);
+    auto title_sizer = new wxBoxSizer(wxHORIZONTAL);
+    auto head_text = new wxStaticText(m_og->ctrl_parent(), wxID_ANY, _L("Range"));
     head_text->SetBackgroundStyle(wxBG_STYLE_PAINT);
     head_text->SetFont(wxGetApp().normal_font());
-    m_grid_sizer->Add(head_text, 0, wxALIGN_CENTER_VERTICAL);
+    auto icon = new wxStaticBitmap(m_og->ctrl_parent(), wxID_ANY, m_bmp_layer.bmp());
+    title_sizer->Add(icon, 0, wxALIGN_CENTER_VERTICAL);
+    title_sizer->Add(head_text, 0, wxALIGN_CENTER_VERTICAL | wxLEFT, m_og->ctrl_parent()->FromDIP(5));
+    m_grid_sizer->Add(title_sizer, 0, wxALIGN_CENTER_VERTICAL);
 
     // Add control for the "Min Z"
 
@@ -126,7 +131,7 @@ wxSizer* ObjectLayers::create_layer(const t_layer_height_range& range, PlusMinus
 
     m_grid_sizer->Add(editor, 1, wxEXPAND);
 
-    auto middle_text = new wxStaticText(m_og->ctrl_parent(), wxID_ANY, _L("to"), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_END);
+    auto middle_text = new wxStaticText(m_og->ctrl_parent(), wxID_ANY, "-");
     middle_text->SetBackgroundStyle(wxBG_STYLE_PAINT);
     middle_text->SetFont(wxGetApp().normal_font());
     m_grid_sizer->Add(middle_text, 0, wxALIGN_CENTER_VERTICAL);
@@ -156,11 +161,6 @@ wxSizer* ObjectLayers::create_layer(const t_layer_height_range& range, PlusMinus
     m_grid_sizer->Add(editor, 1, wxEXPAND);
 
     auto sizer2 = new wxBoxSizer(wxHORIZONTAL);
-    auto unit_text = new wxStaticText(m_og->ctrl_parent(), wxID_ANY, _L("mm"), wxDefaultPosition, wxDefaultSize, wxST_ELLIPSIZE_END);
-    unit_text->SetBackgroundStyle(wxBG_STYLE_PAINT);
-    unit_text->SetFont(wxGetApp().normal_font());
-    sizer2->Add(unit_text, 0, wxALIGN_CENTER_VERTICAL);
-
     m_grid_sizer->Add(sizer2, 0, wxALIGN_CENTER_VERTICAL);
 
     // BBS
@@ -205,8 +205,9 @@ void ObjectLayers::create_layers_list()
 
         auto sizer = create_layer(range, del_btn, add_btn);
         auto b_sizer = new wxBoxSizer(wxHORIZONTAL);
-        b_sizer->Add(del_btn, 0, wxRIGHT | wxLEFT, em_unit(m_parent));
-        b_sizer->Add(add_btn);
+        b_sizer->Add(del_btn, 0, wxLEFT, m_og->ctrl_parent()->FromDIP(5));
+        b_sizer->AddSpacer(m_og->ctrl_parent()->FromDIP(15));
+        b_sizer->Add(add_btn, 0, wxRIGHT, m_og->ctrl_parent()->FromDIP(5));
         sizer->Add(b_sizer, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, m_parent->FromDIP(1)); // aligns +/- buttons vertically since we got 1px gap on bottom of icons
 
         del_btn->Bind(wxEVT_BUTTON, [del_btn](wxEvent &) {
@@ -277,6 +278,7 @@ void ObjectLayers::msw_rescale()
 {
     m_bmp_delete.msw_rescale();
     m_bmp_add.msw_rescale();
+    m_bmp_layer.msw_rescale();
 
     m_grid_sizer->SetHGap(wxGetApp().em_unit());
 
@@ -367,20 +369,17 @@ LayerRangeEditor::LayerRangeEditor( ObjectLayers* parent,
     m_valid_value(value),
     m_type(type),
     m_set_focus_data(set_focus_data_fn),
-    wxTextCtrl(parent->m_og->ctrl_parent(), wxID_ANY, value, wxDefaultPosition, 
-               wxSize(em_unit(parent->m_parent), wxDefaultCoord), wxTE_PROCESS_ENTER
-#ifdef _WIN32
-        | wxBORDER_SIMPLE
-#endif
-    )
+    TextInput(parent->m_og->ctrl_parent(), value, _L("mm"), "", wxDefaultPosition, wxSize(em_unit(parent->m_parent), wxDefaultCoord), wxTE_PROCESS_ENTER)
 {
     this->SetFont(wxGetApp().normal_font());
     wxGetApp().UpdateDarkUI(this);
 
+    wxTextCtrl* ctrl = GetTextCtrl();
+
     // Reset m_enter_pressed flag to _false_, when value is editing
-    this->Bind(wxEVT_TEXT, [this](wxEvent&) { m_enter_pressed = false; }, this->GetId());
+    ctrl->Bind(wxEVT_TEXT, [this](wxEvent&) { m_enter_pressed = false; }, ctrl->GetId());
     
-    this->Bind(wxEVT_TEXT_ENTER, [this, edit_fn](wxEvent&)
+    ctrl->Bind(wxEVT_TEXT_ENTER, [this, edit_fn](wxCommandEvent& e)
     {
         m_enter_pressed     = true;
         // If LayersList wasn't updated/recreated, we can call wxEVT_KILL_FOCUS.Skip()
@@ -395,9 +394,9 @@ LayerRangeEditor::LayerRangeEditor( ObjectLayers* parent,
             SetValue(m_valid_value);
             m_call_kill_focus = true;
         }
-    }, this->GetId());
+    }, ctrl->GetId());
 
-    this->Bind(wxEVT_KILL_FOCUS, [this, edit_fn](wxFocusEvent& e)
+    ctrl->Bind(wxEVT_KILL_FOCUS, [this, edit_fn](wxFocusEvent& e)
     {
         if (!m_enter_pressed) {
 #ifndef __WXGTK__
@@ -426,14 +425,14 @@ LayerRangeEditor::LayerRangeEditor( ObjectLayers* parent,
             m_call_kill_focus = false;
             e.Skip();
         }
-    }, this->GetId());
+    }, ctrl->GetId());
 
-    this->Bind(wxEVT_SET_FOCUS, [this, parent](wxFocusEvent& e)
+    ctrl->Bind(wxEVT_SET_FOCUS, [this, parent](wxFocusEvent& e)
     {
         set_focus_data();
         parent->update_scene_from_editor_selection();
         e.Skip();
-    }, this->GetId());
+    }, ctrl->GetId());
 
 #ifdef __WXGTK__ // Workaround! To take information about selectable range
     this->Bind(wxEVT_LEFT_DOWN, [this](wxEvent& e)
@@ -447,7 +446,7 @@ LayerRangeEditor::LayerRangeEditor( ObjectLayers* parent,
     {
         // select all text using Ctrl+A
         if (wxGetKeyState(wxKeyCode('A')) && wxGetKeyState(WXK_CONTROL))
-            this->SetSelection(-1, -1); //select all
+            GetTextCtrl()->SetSelection(-1, -1); //select all
         event.Skip();
     }));
 }
@@ -477,7 +476,7 @@ coordf_t LayerRangeEditor::get_value()
 
 void LayerRangeEditor::msw_rescale()
 {
-    SetMinSize(wxSize(wxGetApp().em_unit(), wxDefaultCoord));
+    Rescale();
 }
 
 } //namespace GUI

src/slic3r/GUI/GUI_ObjectLayers.hpp

@@ -9,6 +9,8 @@
 #include <wx/sizer.h>
 #include <wx/event.h>
 
+#include <slic3r/GUI/Widgets/TextInput.hpp>
+
 #ifdef __WXOSX__
 #include "libslic3r/PrintConfig.hpp"
 #endif
@@ -34,7 +36,7 @@ enum EditorType
     etLayerHeight   = 4,
 };
 
-class LayerRangeEditor : public wxTextCtrl
+class LayerRangeEditor : public TextInput
 {
     bool                m_enter_pressed     { false };
     bool                m_call_kill_focus   { false };
@@ -55,6 +57,8 @@ public:
 
     EditorType          type() const {return m_type;}
     void                set_focus_data() const { m_set_focus_data(m_type);}
+    void                SetValue(const wxString& value) {GetTextCtrl()->SetValue(value);}
+    wxString            GetValue() {return GetTextCtrl()->GetValue();}
     void                msw_rescale();
 
 private:
@@ -65,6 +69,7 @@ class ObjectLayers : public OG_Settings
 {
     ScalableBitmap  m_bmp_delete;
     ScalableBitmap  m_bmp_add;
+    ScalableBitmap  m_bmp_layer;
     ModelObject*    m_object {nullptr};
 
     wxFlexGridSizer*       m_grid_sizer;

src/slic3r/GUI/StatusPanel.hpp

@@ -1,6 +1,8 @@
 #ifndef slic3r_StatusPanel_hpp_
 #define slic3r_StatusPanel_hpp_
 
+#include <vector>
+
 #include "libslic3r/ProjectTask.hpp"
 #include "DeviceManager.hpp"
 #include "MonitorPage.hpp"
@@ -66,6 +68,7 @@
 #include "StagedBuild.hpp"
 
 class StepIndicator;
+class wxChoice;
 
 #define COMMAND_TIMEOUT         5
 
@@ -140,28 +143,35 @@ class ExtruderImage : public wxWindow
     ScalableBitmap *m_left_extruder_active_empty;
     ScalableBitmap *m_left_extruder_unactive_filled;
     ScalableBitmap *m_left_extruder_unactive_empty;
+
     ScalableBitmap *m_right_extruder_active_filled;
     ScalableBitmap *m_right_extruder_active_empty;
     ScalableBitmap *m_right_extruder_unactive_filled;
     ScalableBitmap *m_right_extruder_unactive_empty;
-
+    
     ScalableBitmap *m_extruder_single_nozzle_empty_load;
     ScalableBitmap *m_extruder_single_nozzle_empty_unload;
     ScalableBitmap *m_extruder_single_nozzle_filled_load;
     ScalableBitmap *m_extruder_single_nozzle_filled_unload;
-
+    
     ExtruderState m_left_ext_state   = {ExtruderState::EMPTY_LOAD};
     ExtruderState m_right_ext_state  = {ExtruderState::EMPTY_LOAD};
     ExtruderState m_single_ext_state = {ExtruderState::EMPTY_LOAD};
+    std::vector<ExtruderState> m_multi_extruder_states;
+    bool m_generic_nozzle_display{false};
 
 public:
     void update(int nozzle_num, int nozzle_id);
     void update(ExtruderState single_state);
     void update(ExtruderState right_state, ExtruderState left_state);
 
+    void update(ExtruderState state, int idx);
+
     void msw_rescale();
     void setExtruderCount(int nozzle_num);
+    void setGenericNozzleDisplay(bool enabled);
     void setExtruderUsed(std::string loc);
+    void setExtruderUsed(int nozzle_idx);
     void paintEvent(wxPaintEvent &evt);
 
     void     render(wxDC &dc);
@@ -495,6 +505,8 @@ protected:
     std::vector<ExtruderImage *> m_extruderImage;
 
     SwitchBoard *   m_nozzle_btn_panel;
+    wxChoice*       m_generic_nozzle_selector{nullptr};
+    int             m_generic_nozzle_selector_count{0};
 
     wxStaticText *  m_text_tasklist_caption;
 
@@ -507,10 +519,18 @@ protected:
     wxBoxSizer *    m_misc_ctrl_sizer;
     StaticBox*      m_fan_panel;
     StaticLine *    m_line_nozzle;
-    TempInput*      m_tempCtrl_nozzle;
+    wxWindowID      m_nozzle_temp_control_id{wxID_ANY};
+    wxWindow*       m_temp_nozzle_parent{nullptr};
+    wxBoxSizer*     m_temp_nozzle_sizer{nullptr};
+    size_t          m_temp_nozzle_active_count{0};
+    TempInput*      m_tempCtrl_nozzle{nullptr};
     int             m_temp_nozzle_timeout{ 0 };
-    TempInput*      m_tempCtrl_nozzle_deputy;
+    TempInput*      m_tempCtrl_nozzle_deputy{nullptr};
     int             m_temp_nozzle_deputy_timeout{ 0 };
+
+    std::vector<TempInput*> m_tempCtrl_nozzles;
+    std::vector<int> m_temp_nozzle_timeouts;
+
     TempInput *     m_tempCtrl_bed;
     int             m_temp_bed_timeout {0};
     TempInput *     m_tempCtrl_chamber;
@@ -550,6 +570,7 @@ protected:
 
     /* AMS control box <-> live nozzle-rack panel toggle (rack printers only) */
     SwitchBoard*    m_ams_rack_switch{ nullptr };
+    MultiSwitchButton* m_ams_nozzle_switch{ nullptr };
 
     AMSControl*     m_ams_control;
     StaticBox*      m_ams_control_box;
@@ -624,6 +645,9 @@ public:
 
     wxBoxSizer *create_temp_axis_group(wxWindow *parent);
     wxBoxSizer *create_temp_control(wxWindow *parent);
+    TempInput* create_nozzle_temp_control(wxWindow *parent, wxWindowID id);
+    void set_temp_input_colors(TempInput* temp_ctrl);
+    void ensure_nozzle_temp_controls(size_t count);
     wxBoxSizer *create_misc_control(wxWindow *parent);
     wxBoxSizer *create_axis_control(wxWindow *parent);
     wxPanel *create_bed_control(wxWindow *parent);
@@ -654,6 +678,7 @@ private:
     friend class MonitorPanel;
     void wire_controls();
     bool load_thumbnail_from_url(const wxString &url, MachineObject *obj);
+    void sync_nozzle_temp_controls(size_t count);
 
 protected:
     std::shared_ptr<SliceInfoPopup> m_slice_info_popup;

src/slic3r/GUI/Widgets/AMSControl.cpp

@@ -244,7 +244,7 @@ AMSControl::AMSControl(wxWindow *parent, wxWindowID id, const wxPoint &pos, cons
     m_sizer_ams_body->Add(m_sizer_ams_area_right, wxALIGN_CENTER, 0);
 
     m_sizer_body->Add(m_sizer_ams_items, 0, wxALIGN_CENTER, 0);
-    m_sizer_body->Add(0, 0, 1, wxEXPAND | wxTOP, FromDIP(10));
+    m_sizer_ams_gap = m_sizer_body->Add(0, 0, 1, wxEXPAND | wxTOP, FromDIP(10));
     m_sizer_body->Add(m_sizer_ams_body, 0, wxALIGN_CENTER, 0);
     m_sizer_body->Add(m_sizer_down_road, 0, wxALIGN_CENTER, 0);
     m_sizer_body->Add(m_sizer_ams_option, 0, wxEXPAND, 0);
@@ -371,7 +371,7 @@ bool AMSControl::IsAmsInRightPanel(std::string ams_id) {
             return false;
         }
     }
-    else{
+    else if (m_total_ext_count == 1){
         for (auto id : m_item_ids[MAIN_EXTRUDER_ID]){
             if (id == ams_id){
                 return true;
@@ -379,6 +379,10 @@ bool AMSControl::IsAmsInRightPanel(std::string ams_id) {
         }
         return false;
     }
+    else {
+        // Generic N Nozzles
+    }
+    return false;
 }
 
 void AMSControl::AmsSelectedSwitch(wxCommandEvent& event) {
@@ -519,7 +523,7 @@ void AMSControl::msw_rescale()
     m_button_ams_setting_press.msw_rescale();
     m_button_ams_setting->SetBitmap(m_button_ams_setting_normal.bmp());
 
-    m_extruder->msw_rescale();
+    if (m_extruder) m_extruder->msw_rescale();
 
     if (m_button_extruder_feed) m_button_extruder_feed->Rescale(); // ORCA
     if (m_button_extruder_back) m_button_extruder_back->Rescale(); // ORCA
@@ -603,6 +607,8 @@ void AMSControl::CreateAms()
 
 
 void AMSControl::ClearAms() {
+    m_sizer_ams_items->Clear(false);
+
     m_simplebook_ams_right->DeleteAllPages();
     m_simplebook_ams_left->DeleteAllPages();
     m_simplebook_ams_right->DestroyChildren();
@@ -613,7 +619,7 @@ void AMSControl::ClearAms() {
     m_simplebook_ams_left->Refresh();
 
     for (auto it : m_ams_preview_list) {
-        delete it.second;
+        if (it.second) it.second->Destroy();
     }
     m_ams_preview_list.clear();
     m_ext_image_list.clear();
@@ -624,12 +630,167 @@ void AMSControl::ClearAms() {
     m_ams_item_list.clear();
     m_sizer_prv_right->Clear();
     m_sizer_prv_left->Clear();
-    m_item_ids = { {}, {} };
+
+    if (m_nozzle_book) {
+        m_nozzle_book->Destroy();
+        m_nozzle_book = nullptr;
+    } else {
+        for (auto &pane : m_nozzle_panes) {
+            if (pane.preview_panel) pane.preview_panel->Destroy();
+            if (pane.ams_book) pane.ams_book->Destroy();
+        }
+    }
+    m_item_ids.assign(std::max(m_total_ext_count, 2), {});
+    m_nozzle_panes.clear();
+    m_active_nozzle_id = 0;
+    m_current_ams.clear();
+    m_current_show_ams_left.clear();
+    m_current_show_ams_right.clear();
     pair_id.clear();
 }
 
+void AMSControl::restore_legacy_ams_layout()
+{
+    m_sizer_ams_items->Clear(false);
+    m_sizer_ams_items->SetOrientation(wxHORIZONTAL);
+    m_sizer_body->GetItem(m_sizer_ams_items)->SetFlag(wxALIGN_CENTER);
+    m_sizer_ams_items->Add(m_panel_prv_left, 0, wxLEFT | wxRIGHT, FromDIP(5));
+    m_sizer_ams_items->Add(m_panel_prv_right, 0, wxLEFT | wxRIGHT, FromDIP(5));
+
+    m_panel_prv_left->Show();
+    m_panel_prv_right->Show();
+    m_simplebook_ams_left->Show();
+    m_simplebook_ams_right->Show();
+    m_panel_down_road->Show();
+    m_sizer_body->Show(m_sizer_ams_body, true);
+    m_sizer_option_mid->Show(m_extruder, true);
+    m_down_road->SetSingleSideLayout(false);
+    m_sizer_ams_gap->SetProportion(1);
+    m_sizer_ams_gap->SetBorder(FromDIP(10));
+    m_down_road->SetNozzleCount(m_total_ext_count);
+}
+
+void AMSControl::CreateAmsMultiNozzle(const std::string &series_name, const std::string &printer_type) {
+    const size_t pane_count = static_cast<size_t>(std::max(m_total_ext_count, 0));
+    m_nozzle_panes.resize(pane_count);
+    m_active_nozzle_id = 0;
+
+    m_sizer_ams_items->Clear(false);
+    m_sizer_ams_items->SetOrientation(wxVERTICAL);
+    m_sizer_body->GetItem(m_sizer_ams_items)->SetFlag(wxALIGN_CENTER);
+    m_sizer_body->Show(m_sizer_ams_body, false);
+    m_sizer_ams_gap->SetProportion(0);
+    m_sizer_ams_gap->SetBorder(0);
+
+    m_panel_prv_left->Hide();
+    m_panel_prv_right->Hide();
+    m_simplebook_ams_left->Hide();
+    m_simplebook_ams_right->Hide();
+    m_panel_down_road->Show();
+    m_sizer_option_mid->Show(m_extruder, true);
+    m_switcher->Hide();
+    m_down_road->SetNozzleCount(1);
+    m_down_road->SetSingleSideLayout(true, AMSPanelPos::LEFT_PANEL);
+    m_down_road->UpdateLeft(1, AMSRoadShowMode::AMS_ROAD_MODE_SINGLE);
+    m_down_road->UpdateRight(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+    m_extruder->updateNozzleNum(1, series_name);
+
+    m_nozzle_book = new wxSimplebook(m_amswin, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0);
+    m_nozzle_book->SetMinSize(wxSize(FromDIP(264), -1));
+    m_nozzle_book->SetBackgroundColour(StateColor::darkModeColorFor(AMS_CONTROL_DEF_BLOCK_BK_COLOUR));
+    m_sizer_ams_items->Add(m_nozzle_book, 0, wxALIGN_CENTER);
+
+    for (size_t nozzle_id = 0; nozzle_id < pane_count; ++nozzle_id) {
+        auto &pane = m_nozzle_panes[nozzle_id];
+        // A generic page is one H2C side. Keep the left-side geometry as the
+        // canonical single-nozzle presentation; the road and AMS item code
+        // still use the same side-specific paths as the legacy layout.
+        pane.panel_pos = AMSPanelPos::LEFT_PANEL;
+        pane.page = new wxPanel(m_nozzle_book, wxID_ANY);
+        pane.page->SetMinSize(wxSize(FromDIP(264), -1));
+        pane.page->SetBackgroundColour(StateColor::darkModeColorFor(AMS_CONTROL_DEF_BLOCK_BK_COLOUR));
+        pane.page_sizer = new wxBoxSizer(wxVERTICAL);
+        pane.page->SetSizer(pane.page_sizer);
+
+        pane.preview_panel = new wxScrolledWindow(pane.page, wxID_ANY);
+        pane.preview_panel->SetScrollRate(10, 0);
+        pane.preview_panel->SetSize(AMS_ITEMS_PANEL_SIZE);
+        pane.preview_panel->SetMinSize(AMS_ITEMS_PANEL_SIZE);
+        pane.preview_panel->SetBackgroundColour(StateColor::darkModeColorFor(AMS_CONTROL_DEF_BLOCK_BK_COLOUR));
+
+        pane.preview_sizer = new wxBoxSizer(wxHORIZONTAL);
+        pane.preview_panel->SetSizer(pane.preview_sizer);
+
+        // Generic lane cards grow to their calculated width for 1-8 lanes. Keep the
+        // book at the legacy minimum, but allow the page to expand to that width.
+        pane.ams_book = new wxSimplebook(pane.page, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0);
+        pane.ams_book->SetMinSize(wxSize(FromDIP(264), -1));
+        pane.ams_book->SetBackgroundColour(StateColor::darkModeColorFor(AMS_CONTROL_DEF_BLOCK_BK_COLOUR));
+        pane.ams_area = new wxBoxSizer(wxHORIZONTAL);
+        pane.ams_area->Add(pane.ams_book, 0, wxALIGN_CENTER, 0);
+
+        pane.page_sizer->Add(pane.preview_panel, 0, wxALIGN_CENTER | wxTOP, FromDIP(5));
+        pane.page_sizer->Add(pane.ams_area, 0, wxALIGN_CENTER | wxTOP, FromDIP(10));
+
+        m_nozzle_book->AddPage(pane.page, wxEmptyString, nozzle_id == 0);
+    }
+
+    auto add_info = [this, series_name, printer_type, pane_count](AMSinfo info) {
+        if (pane_count == 0) return;
+
+        info.nozzle_id = std::clamp(info.nozzle_id, 0, static_cast<int>(pane_count) - 1);
+        AddAmsPreview(info, info.ams_type);
+        if (info.ams_type == AMSModel::EXT_AMS && info.cans.size() == 1)
+            AddAms({info}, series_name, printer_type, m_nozzle_panes[info.nozzle_id].panel_pos);
+        else
+            AddAms(info);
+    };
+
+    for (const auto &info : m_ams_info)
+        add_info(info);
+
+    for (auto &info : m_ext_info) {
+        const int virtual_tray_id = std::atoi(info.ams_id.c_str());
+        if (virtual_tray_id <= VIRTUAL_TRAY_MAIN_ID &&
+            virtual_tray_id >= VIRTUAL_TRAY_MAIN_ID - static_cast<int>(pane_count) + 1)
+            info.nozzle_id = VIRTUAL_TRAY_MAIN_ID - virtual_tray_id;
+        add_info(info);
+    }
+
+    for (auto &pane : m_nozzle_panes) {
+        if (pane.ams_book && pane.ams_book->GetPageCount() > 0)
+            pane.ams_book->SetSelection(0);
+        if (pane.preview_sizer) pane.preview_sizer->Layout();
+        if (pane.preview_panel) pane.preview_panel->FitInside();
+        if (pane.ams_book) pane.ams_book->Layout();
+        if (pane.page) pane.page->Layout();
+
+        if (!pane.current_ams.empty()) {
+            auto preview = m_ams_preview_list.find(pane.current_ams);
+            if (preview != m_ams_preview_list.end() && preview->second)
+                preview->second->OnSelected();
+        }
+    }
+
+    if (m_nozzle_book && pane_count > 0) {
+        m_nozzle_book->SetSelection(0);
+        m_current_ams = m_nozzle_panes[0].current_ams;
+        if (!m_current_ams.empty())
+            SwitchAms(m_current_ams);
+        else {
+            m_down_road->UpdateLeft(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+            m_down_road->UpdateRight(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+        }
+    }
+    m_amswin->Layout();
+    m_amswin->Fit();
+    // Generic N Nozzles
+}
+
 void AMSControl::CreateAmsDoubleNozzle(const std::string &series_name, const std::string &printer_type)
 {
+    restore_legacy_ams_layout();
+
     std::vector<AMSinfo> single_info_left;
     std::vector<AMSinfo> single_info_right;
 
@@ -751,6 +912,8 @@ void AMSControl::CreateAmsDoubleNozzle(const std::string &series_name, const std
 
 void AMSControl::CreateAmsSingleNozzle(const std::string &series_name, const std::string &printer_type)
 {
+    restore_legacy_ams_layout();
+
     std::vector<int>m_item_nums{0,0};
     std::vector<AMSinfo> single_info;
 
@@ -979,6 +1142,17 @@ void AMSControl::UpdateAms(const std::string   &series_name,
                 if (m_ams_info[i].routes_to_main_extruder() != ams_info[i].routes_to_main_extruder()) {
                     fresh = true;
                 }
+                if (m_ams_info[i].nozzle_id != ams_info[i].nozzle_id) {
+                    fresh = true;
+                }
+            }
+
+            for (int i = 0; i < static_cast<int>(m_ext_info.size()); ++i) {
+                if (m_ext_info[i].ams_id != ext_info[i].ams_id ||
+                    m_ext_info[i].nozzle_id != ext_info[i].nozzle_id ||
+                    m_ext_info[i].ext_type != ext_info[i].ext_type) {
+                    fresh = true;
+                }
             }
         }
         else{
@@ -993,11 +1167,19 @@ void AMSControl::UpdateAms(const std::string   &series_name,
         m_dev_id = dev_id;
         if (fresh){
             ClearAms();
-            if (m_total_ext_count >= 2){
-                CreateAmsDoubleNozzle(series_name, printer_type);
-            }else{
-                CreateAmsSingleNozzle(series_name, printer_type);
+            // Keep the established Bambu left/right AMS presentation. Generic N-nozzle
+            // tabs are for non-Bambu printers; the current checkout exposes this behavior
+            // through PresetBundle::is_bbl_vendor().
+            const bool is_bbl_behavior = wxGetApp().preset_bundle && wxGetApp().preset_bundle->is_bbl_vendor();
+            if (is_bbl_behavior) {
+                if (m_total_ext_count == 1)
+                    CreateAmsSingleNozzle(series_name, printer_type);
+                else if (m_total_ext_count == 2)
+                    CreateAmsDoubleNozzle(series_name, printer_type);
             }
+            else
+                CreateAmsMultiNozzle(series_name, printer_type);
+
             SetSize(wxSize(FromDIP(578), -1));
             SetMinSize(wxSize(FromDIP(578), -1));
             Layout();
@@ -1070,7 +1252,7 @@ void AMSControl::UpdateAms(const std::string   &series_name,
     }
 
     /*update ams extruder*/
-    if (m_extruder->updateNozzleNum(m_total_ext_count, series_name))
+    if (m_total_ext_count <= 2 && m_extruder->updateNozzleNum(m_total_ext_count, series_name))
     {
         m_amswin->Layout();
     }
@@ -1106,7 +1288,13 @@ void AMSControl::AddAmsPreview(AMSinfo info, AMSModel type)
 {
     AMSPreview *ams_prv = nullptr;
 
-    if (info.routes_to_main_extruder())
+    if (m_total_ext_count > 2) {
+        const int nozzle_id = std::clamp(info.nozzle_id, 0, m_total_ext_count - 1);
+        auto &pane = m_nozzle_panes[nozzle_id];
+        ams_prv = new AMSPreview(pane.preview_panel, wxID_ANY, info, type);
+        pane.preview_sizer->Add(ams_prv, 0, wxALIGN_CENTER | wxLEFT, FromDIP(6));
+    }
+    else if (info.routes_to_main_extruder())
     {
         ams_prv = new AMSPreview(m_panel_prv_right, wxID_ANY, info, type);
         m_sizer_prv_right->Add(ams_prv, 0, wxALIGN_CENTER | wxLEFT, FromDIP(6));
@@ -1129,6 +1317,40 @@ void AMSControl::AddAmsPreview(AMSinfo info, AMSModel type)
 void AMSControl::createAms(wxSimplebook* parent, int& idx, AMSinfo info, AMSPanelPos pos) {
     auto ams_item = new AmsItem(parent, info, info.ams_type, pos);
     parent->InsertPage(idx, ams_item, wxEmptyString, true);
+
+    // Generic AMS cards may be wider than the legacy 264 DIP page. Propagate
+    // that calculated width through the page and simplebook so 5-8 lanes are
+    // laid out fully instead of being clipped by the old minimum width.
+    if (info.ams_type == AMSModel::GENERIC_AMS) {
+        const int required_width = ams_item->GetMinSize().x;
+        if (required_width > 0) {
+            const int page_width = std::max(parent->GetMinSize().x, required_width);
+            parent->SetMinSize(wxSize(page_width, -1));
+            if (auto *page = parent->GetParent()) {
+                page->SetMinSize(wxSize(std::max(page->GetMinSize().x, page_width), -1));
+                if (auto *nozzle_book = page->GetParent())
+                    nozzle_book->SetMinSize(wxSize(std::max(nozzle_book->GetMinSize().x, page_width), -1));
+            }
+        }
+        // Above eight lanes, AmsItem is a fixed-minimum viewport over a wider
+        // lane strip. Expand the viewport through its page's sizers rather
+        // than propagating the strip's virtual width into the card/book.
+        const bool generic_lane_layout = !wxGetApp().preset_bundle || !wxGetApp().preset_bundle->is_bbl_vendor();
+        if (generic_lane_layout && info.cans.size() > 8) {
+            if (auto *page = parent->GetParent()) {
+                auto pane = std::find_if(m_nozzle_panes.begin(), m_nozzle_panes.end(),
+                    [page](const NozzleAmsPane &candidate) { return candidate.page == page; });
+                if (pane != m_nozzle_panes.end()) {
+                    pane->ams_area->GetItem(pane->ams_book)->SetProportion(1);
+                    pane->ams_area->GetItem(pane->ams_book)->SetFlag(wxEXPAND);
+                    pane->page_sizer->GetItem(pane->ams_area)->SetFlag(wxEXPAND | wxTOP);
+                    m_sizer_ams_items->GetItem(m_nozzle_book)->SetFlag(wxEXPAND);
+                    m_sizer_body->GetItem(m_sizer_ams_items)->SetFlag(wxEXPAND);
+                    m_amswin->Layout();
+                }
+            }
+        }
+    }
     ams_item->set_selection(idx);
     idx++;
 
@@ -1153,7 +1375,10 @@ AMSRoadShowMode AMSControl::findFirstMode(AMSPanelPos pos) {
         if (item->second->get_ams_model() == AMSModel::EXT_AMS && item->second->get_ext_type() == AMSModelOriginType::LITE_EXT) return AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE;
         return AMSRoadShowMode::AMS_ROAD_MODE_FOUR;
     }
-    else{
+    else if (item->second->get_can_count() > GENERIC_AMS_SLOT_NUM) {
+        return AMSRoadShowMode::AMS_ROAD_MODE_GENERIC;
+    }
+    else {
         for (auto ids : pair_id){
             if (ids.first == ams_id || ids.second == ams_id){
                 return AMSRoadShowMode::AMS_ROAD_MODE_DOUBLE;
@@ -1200,6 +1425,11 @@ void AMSControl::createAmsPanel(wxSimplebook *parent, int &idx, std::vector<AMSi
                 //book_sizer->Add(ams1, 0, wxALIGN_CENTER_HORIZONTAL, 0);
                 book_sizer->Add(ams1, 0, wxLEFT, (book_panel->GetSize().x - ams1->GetSize().x) / 2);
             }
+            else if (pos == AMSPanelPos::SINGLE_PANEL) {
+                book_sizer->AddStretchSpacer(1);
+                book_sizer->Add(ams1, 0, wxALIGN_CENTER_VERTICAL, 0);
+                book_sizer->AddStretchSpacer(1);
+            }
             else{
                 auto ext_image = new AMSExtImage(book_panel, pos, m_total_ext_count, false);
                 book_sizer->Add(ams1, 0, wxLEFT, FromDIP(30));
@@ -1228,7 +1458,17 @@ void AMSControl::createAmsPanel(wxSimplebook *parent, int &idx, std::vector<AMSi
 
 void AMSControl::AddAms(AMSinfo info, AMSPanelPos pos)
 {
-    if (m_total_ext_count > 1){
+    if (m_total_ext_count > 2) {
+        const int nozzle_id = std::clamp(info.nozzle_id, 0, m_total_ext_count - 1);
+        auto &pane = m_nozzle_panes[nozzle_id];
+        pane.item_ids.push_back(info.ams_id);
+        m_item_ids[nozzle_id].push_back(info.ams_id);
+        if (pane.current_ams.empty()) pane.current_ams = info.ams_id;
+        createAms(pane.ams_book, pane.page_index, info, AMSPanelPos::SINGLE_PANEL);
+        pane.ams_book->Fit();
+        pane.ams_book->Layout();
+    }
+    else if (m_total_ext_count == 2){
         if (info.routes_to_main_extruder()){
             createAms(m_simplebook_ams_right, m_right_page_index, info, AMSPanelPos::RIGHT_PANEL);
         }
@@ -1239,6 +1479,9 @@ void AMSControl::AddAms(AMSinfo info, AMSPanelPos pos)
     else if (m_total_ext_count == 1){
         createAms(m_simplebook_ams_left, m_left_page_index, info, AMSPanelPos::LEFT_PANEL);
     }
+    else {
+        // Generic N Nozzles
+    }
     m_simplebook_ams_left->Layout();
     m_simplebook_ams_right->Layout();
     m_simplebook_ams_left->Refresh();
@@ -1269,7 +1512,19 @@ void AMSControl::AddAms(std::vector<AMSinfo> single_info, const std::string &ser
      if (single_info.size() <= 0){
         return;
     }
-    if (m_total_ext_count == 2) {
+    if (m_total_ext_count > 2) {
+        const int nozzle_id = std::clamp(single_info.front().nozzle_id, 0, m_total_ext_count - 1);
+        auto &pane = m_nozzle_panes[nozzle_id];
+        for (const auto &info : single_info) {
+            pane.item_ids.push_back(info.ams_id);
+            m_item_ids[nozzle_id].push_back(info.ams_id);
+        }
+        if (pane.current_ams.empty()) pane.current_ams = single_info.front().ams_id;
+        createAmsPanel(pane.ams_book, pane.page_index, single_info, series_name, printer_type, AMSPanelPos::SINGLE_PANEL, m_total_ext_count);
+        pane.ams_book->Fit();
+        pane.ams_book->Layout();
+    }
+    else if (m_total_ext_count == 2) {
         if (single_info[0].routes_to_main_extruder()) {
             createAmsPanel(m_simplebook_ams_right, m_right_page_index, single_info, series_name, printer_type, AMSPanelPos::RIGHT_PANEL, m_total_ext_count);
         }
@@ -1285,6 +1540,9 @@ void AMSControl::AddAms(std::vector<AMSinfo> single_info, const std::string &ser
             createAmsPanel(m_simplebook_ams_left, m_left_page_index, single_info, series_name, printer_type, AMSPanelPos::LEFT_PANEL, m_total_ext_count);
         }
     }
+    else {
+        // Generic N Nozzles
+    }
 
     m_simplebook_ams_left->Layout();
     m_simplebook_ams_right->Layout();
@@ -1322,6 +1580,21 @@ void AMSControl::AddAms(std::vector<AMSinfo> single_info, const std::string &ser
 void AMSControl::AddAmsPreview(std::vector<AMSinfo>single_info, AMSPanelPos pos) {
     if (single_info.size() <= 0) return;
 
+    if (m_total_ext_count > 2) {
+        const int nozzle_id = std::clamp(single_info.front().nozzle_id, 0, m_total_ext_count - 1);
+        auto &pane = m_nozzle_panes[nozzle_id];
+        for (const auto &info : single_info) {
+            auto *ams_prv = new AMSPreview(pane.preview_panel, wxID_ANY, info, info.ams_type);
+            pane.preview_sizer->Add(ams_prv, 0, wxALIGN_CENTER | wxLEFT, FromDIP(6));
+            ams_prv->Bind(wxEVT_LEFT_DOWN, [this, ams_prv](wxMouseEvent &e) {
+                SwitchAms(ams_prv->get_ams_id());
+                e.Skip();
+            });
+            m_ams_preview_list[info.ams_id] = ams_prv;
+        }
+        return;
+    }
+
     AMSPreview* ams_prv = nullptr;
     AMSPreview* ams_prv2 = nullptr;
     if (pos == AMSPanelPos::RIGHT_PANEL){
@@ -1360,8 +1633,97 @@ void AMSControl::AddAmsPreview(std::vector<AMSinfo>single_info, AMSPanelPos pos)
     }
 }
 
+void AMSControl::SelectNozzle(int nozzle_id)
+{
+    if (nozzle_id < 0 || nozzle_id >= static_cast<int>(m_nozzle_panes.size()))
+        return;
+
+    if (m_active_nozzle_id == nozzle_id &&
+        (!m_nozzle_book || m_nozzle_book->GetSelection() == nozzle_id))
+        return;
+
+    m_active_nozzle_id = nozzle_id;
+    if (m_nozzle_book && m_nozzle_book->GetSelection() != nozzle_id)
+        m_nozzle_book->SetSelection(nozzle_id);
+    m_current_ams = m_nozzle_panes[nozzle_id].current_ams;
+    if (!m_current_ams.empty()) {
+        SwitchAms(m_current_ams);
+        return;
+    }
+    if (m_down_road) {
+        m_down_road->UpdateLeft(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+        m_down_road->UpdateRight(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+    }
+    if (m_extruder)
+        m_extruder->OnAmsLoading(false, 0);
+    post_event(SimpleEvent(EVT_AMS_SWITCH));
+}
+
 void AMSControl::SwitchAms(std::string ams_id)
 {
+    if (m_total_ext_count > 2) {
+        NozzleAmsPane *pane = nullptr;
+        int nozzle_id = -1;
+        for (int index = 0; index < static_cast<int>(m_nozzle_panes.size()); ++index) {
+            auto &candidate = m_nozzle_panes[index];
+            if (std::find(candidate.item_ids.begin(), candidate.item_ids.end(), ams_id) != candidate.item_ids.end()) {
+                pane = &candidate;
+                nozzle_id = index;
+                break;
+            }
+        }
+        if (!pane) return;
+
+        m_active_nozzle_id = nozzle_id;
+        if (m_nozzle_book && m_nozzle_book->GetSelection() != nozzle_id)
+            m_nozzle_book->SetSelection(nozzle_id);
+
+        pane->current_ams = ams_id;
+        m_current_ams = ams_id;
+        m_current_select = ams_id;
+
+        for (const auto &id : pane->item_ids) {
+            auto preview = m_ams_preview_list.find(id);
+            if (preview == m_ams_preview_list.end() || !preview->second) continue;
+            if (id == ams_id) preview->second->OnSelected();
+            else preview->second->UnSelected();
+        }
+
+        auto item = m_ams_item_list.find(ams_id);
+        if (item != m_ams_item_list.end() && item->second) {
+            if (pane->ams_book)
+                pane->ams_book->SetSelection(item->second->get_selection());
+
+            AMSRoadShowMode road_mode = AMSRoadShowMode::AMS_ROAD_MODE_SINGLE;
+            if (item->second->get_can_count() == GENERIC_AMS_SLOT_NUM)
+                road_mode = AMSRoadShowMode::AMS_ROAD_MODE_FOUR;
+            else if (item->second->get_can_count() > GENERIC_AMS_SLOT_NUM)
+                road_mode = AMSRoadShowMode::AMS_ROAD_MODE_GENERIC;
+            else if (item->second->get_ams_model() == AMSModel::N3S_AMS)
+                road_mode = AMSRoadShowMode::AMS_ROAD_MODE_SINGLE_N3S;
+            else if (item->second->get_ams_model() == AMSModel::AMS_LITE ||
+                     (item->second->get_ams_model() == AMSModel::EXT_AMS &&
+                      item->second->get_ext_type() == AMSModelOriginType::LITE_EXT))
+                road_mode = AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE;
+
+            if (m_down_road) {
+                if (pane->panel_pos == AMSPanelPos::LEFT_PANEL) {
+                    m_down_road->UpdateLeft(1, road_mode);
+                    m_down_road->UpdateRight(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+                } else {
+                    m_down_road->UpdateLeft(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+                    m_down_road->UpdateRight(1, road_mode);
+                }
+                m_down_road->UpdatePassRoad(pane->panel_pos, -1, AMSPassRoadSTEP::AMS_ROAD_STEP_NONE);
+            }
+            if (m_extruder)
+                m_extruder->OnAmsLoading(false, 0);
+        }
+
+        post_event(SimpleEvent(EVT_AMS_SWITCH));
+        return;
+    }
+
     if(ams_id == m_current_show_ams_left || ams_id == m_current_show_ams_right){return;}
 
     bool is_in_right = IsAmsInRightPanel(ams_id);
@@ -1432,13 +1794,17 @@ void AMSControl::SwitchAms(std::string ams_id)
                     else {
                         AMSRoadShowMode mode = AMSRoadShowMode::AMS_ROAD_MODE_SINGLE;
 
-                        if (item->get_ams_model() == AMSModel::N3S_AMS)
+                        if (item->get_can_count() > GENERIC_AMS_SLOT_NUM)
+                            mode = AMSRoadShowMode::AMS_ROAD_MODE_GENERIC;
+                        else if (item->get_ams_model() == AMSModel::N3S_AMS)
                             mode = AMSRoadShowMode::AMS_ROAD_MODE_SINGLE_N3S;
 
-                        for (auto it : pair_id) {
-                            if (it.first == ams_id || it.second == ams_id) {
-                                mode = AMSRoadShowMode::AMS_ROAD_MODE_DOUBLE;
-                                break;
+                        if (item->get_can_count() <= GENERIC_AMS_SLOT_NUM) {
+                            for (auto it : pair_id) {
+                                if (it.first == ams_id || it.second == ams_id) {
+                                    mode = AMSRoadShowMode::AMS_ROAD_MODE_DOUBLE;
+                                    break;
+                                }
                             }
                         }
                         pos == AMSPanelPos::LEFT_PANEL ? m_down_road->UpdateLeft(m_total_ext_count, mode)
@@ -1500,6 +1866,20 @@ void AMSControl::SetExtruder(bool on_off, int nozzle_id, std::string ams_id, std
     AmsItem *item = nullptr;
     if (m_ams_item_list.find(ams_id) != m_ams_item_list.end()) { item = m_ams_item_list[ams_id]; }
 
+    if (m_total_ext_count > 2) {
+        if (nozzle_id < 0 || nozzle_id >= static_cast<int>(m_nozzle_panes.size()))
+            return;
+
+        if (!m_extruder)
+            return;
+
+        if (on_off && item)
+            m_extruder->OnAmsLoading(true, 0, item->GetTagColr(slot_id));
+        else
+            m_extruder->OnAmsLoading(false, 0);
+        return;
+    }
+
     if (on_off && item) {
         auto col = item->GetTagColr(slot_id);
         m_extruder->OnAmsLoading(true, nozzle_id, col);
@@ -1624,6 +2004,69 @@ void AMSControl::SetAmsStep(std::string ams_id, std::string canid, AMSPassRoadTy
     else{
         return;
     }
+
+    if (m_total_ext_count > 2) {
+        const int nozzle_id = std::clamp(ams->get_nozzle_id(), 0, m_total_ext_count - 1);
+        if (nozzle_id >= static_cast<int>(m_nozzle_panes.size()))
+            return;
+        auto &pane = m_nozzle_panes[nozzle_id];
+        AMSRoadShowMode road_mode = AMSRoadShowMode::AMS_ROAD_MODE_SINGLE;
+        if (ams->get_can_count() == GENERIC_AMS_SLOT_NUM)
+            road_mode = AMSRoadShowMode::AMS_ROAD_MODE_FOUR;
+        else if (ams->get_can_count() > GENERIC_AMS_SLOT_NUM)
+            road_mode = AMSRoadShowMode::AMS_ROAD_MODE_GENERIC;
+        else if (ams->get_ams_model() == AMSModel::N3S_AMS)
+            road_mode = AMSRoadShowMode::AMS_ROAD_MODE_SINGLE_N3S;
+        else if (ams->get_ams_model() == AMSModel::AMS_LITE ||
+                 (ams->get_ams_model() == AMSModel::EXT_AMS && ams->get_ext_type() == AMSModelOriginType::LITE_EXT))
+            road_mode = AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE;
+
+        if (can_index >= 0 && can_index < static_cast<int>(info.cans.size()) && m_down_road)
+            m_down_road->SetPassRoadColour(pane.panel_pos == AMSPanelPos::LEFT_PANEL,
+                                           info.cans[can_index].material_colour);
+        if (m_down_road) {
+            if (pane.panel_pos == AMSPanelPos::LEFT_PANEL) {
+                m_down_road->UpdateLeft(1, road_mode);
+                m_down_road->UpdateRight(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+            } else {
+                m_down_road->UpdateLeft(1, AMSRoadShowMode::AMS_ROAD_MODE_NONE);
+                m_down_road->UpdateRight(1, road_mode);
+            }
+        }
+
+        int road_length = 0;
+
+        if (step == AMSPassRoadSTEP::AMS_ROAD_STEP_NONE) {
+            ams->SetAmsStep(ams_id, canid, type, AMSPassRoadSTEP::AMS_ROAD_STEP_NONE);
+            if (m_down_road)
+                m_down_road->UpdatePassRoad(pane.panel_pos, -1, AMSPassRoadSTEP::AMS_ROAD_STEP_NONE);
+            if (m_extruder)
+                m_extruder->OnAmsLoading(false, 0);
+        }
+        else if (step == AMSPassRoadSTEP::AMS_ROAD_STEP_COMBO_LOAD_STEP1) {
+            ams->SetAmsStep(ams_id, canid, type, AMSPassRoadSTEP::AMS_ROAD_STEP_1);
+            if (m_down_road)
+                m_down_road->UpdatePassRoad(pane.panel_pos, road_length, AMSPassRoadSTEP::AMS_ROAD_STEP_1);
+            if (m_extruder)
+                m_extruder->OnAmsLoading(false, 0);
+        }
+        else if (step == AMSPassRoadSTEP::AMS_ROAD_STEP_COMBO_LOAD_STEP2) {
+            ams->SetAmsStep(ams_id, canid, type, AMSPassRoadSTEP::AMS_ROAD_STEP_2);
+            if (m_down_road)
+                m_down_road->UpdatePassRoad(pane.panel_pos, road_length, AMSPassRoadSTEP::AMS_ROAD_STEP_2);
+            if (m_extruder)
+                m_extruder->OnAmsLoading(true, 0, ams->GetTagColr(canid));
+        }
+        else if (step == AMSPassRoadSTEP::AMS_ROAD_STEP_COMBO_LOAD_STEP3) {
+            ams->SetAmsStep(ams_id, canid, type, AMSPassRoadSTEP::AMS_ROAD_STEP_3);
+            if (m_down_road)
+                m_down_road->UpdatePassRoad(pane.panel_pos, road_length, AMSPassRoadSTEP::AMS_ROAD_STEP_3);
+            if (m_extruder)
+                m_extruder->OnAmsLoading(true, 0, ams->GetTagColr(canid));
+        }
+        return;
+    }
+
     if (can_index >= 0 && can_index < info.cans.size())
     {
         m_down_road->SetPassRoadColour(left, info.cans[can_index].material_colour);

src/slic3r/GUI/Widgets/AMSControl.hpp

@@ -47,6 +47,20 @@ public:
     void on_retry();
 
 protected:
+    struct NozzleAmsPane
+    {
+        wxPanel*          page{nullptr};
+        wxBoxSizer*       page_sizer{nullptr};
+        wxScrolledWindow* preview_panel{nullptr};
+        wxBoxSizer*       preview_sizer{nullptr};
+        wxSimplebook*     ams_book{nullptr};
+        wxBoxSizer*       ams_area{nullptr};
+        AMSPanelPos        panel_pos{AMSPanelPos::LEFT_PANEL};
+        std::vector<std::string> item_ids;
+        std::string current_ams;
+        int page_index{0};
+    };
+
     std::string  m_current_ams;
     std::string  m_current_slot_left;
     std::string  m_current_slot_right;
@@ -63,6 +77,9 @@ protected:
 
     std::string                      m_dev_id;
     std::vector<std::vector<std::string>> m_item_ids{ {}, {} };
+    std::vector<NozzleAmsPane>       m_nozzle_panes;
+    wxSimplebook*                    m_nozzle_book{nullptr};
+    int                              m_active_nozzle_id{0};
     std::vector<std::pair<string, string>> pair_id;
 
     int         m_total_ext_count = 1;
@@ -103,6 +120,7 @@ protected:
     wxSimplebook *m_simplebook_ams_left{nullptr};
     wxSimplebook *m_simplebook_ams_right{ nullptr };
     wxSimplebook *m_simplebook_bottom{nullptr};
+    wxSizerItem  *m_sizer_ams_gap{nullptr};
     wxPanel      *m_panel_down_road{ nullptr };
     int          m_left_page_index = 0;
     int          m_right_page_index = 0;
@@ -156,6 +174,7 @@ public:
     void createAms(wxSimplebook* parent, int& idx, AMSinfo info, AMSPanelPos pos);
     void createAmsPanel(wxSimplebook *parent, int &idx, std::vector<AMSinfo> infos, const std::string &series_name, const std::string &printer_type, AMSPanelPos pos, int total_ext_num);
     AMSRoadShowMode findFirstMode(AMSPanelPos pos);
+    void restore_legacy_ams_layout();
 
     AMSModel m_ams_model{AMSModel::EXT_AMS};
     AMSModel m_ext_model{AMSModel::EXT_AMS};
@@ -183,6 +202,7 @@ public:
 
     void UpdatePassRoad(string ams_id, AMSPassRoadType type, AMSPassRoadSTEP step);
     void CreateAms();
+    void CreateAmsMultiNozzle(const std::string& series_name, const std::string& printer_type);
     void CreateAmsDoubleNozzle(const std::string &series_name, const std::string& printer_type);
     void CreateAmsSingleNozzle(const std::string &series_name, const std::string &printer_type);
     void ClearAms();
@@ -210,6 +230,8 @@ public:
     void SetExtruder(bool on_off, int nozzle_id, std::string ams_id, std::string slot_id);
     void SetAmsStep(std::string ams_id, std::string canid, AMSPassRoadType type, AMSPassRoadSTEP step);
     void SwitchAms(std::string ams_id);
+    void SelectNozzle(int nozzle_id);
+    int  GetActiveNozzleId() const { return m_active_nozzle_id; }
 
     void msw_rescale();
     void on_filament_load(wxCommandEvent &event);

src/slic3r/GUI/Widgets/AMSItem.cpp

@@ -42,6 +42,7 @@
 #include <boost/log/trivial.hpp>
 #include <wx/timer.h>
 #include <wx/sizer.h>
+#include <wx/scrolwin.h>
 
 #include "CalibUtils.hpp"
 #include "slic3r/GUI/wxExtensions.hpp"
@@ -76,6 +77,48 @@ namespace Slic3r { namespace GUI {
 //#define AMS_SINGLE_CAN_SIZE wxSize(FromDIP(78), 144)
 #define AMS_CANS_WINDOW_SIZE wxSize(FromDIP(264), FromDIP(174))
 #define AMS_SINGLE_CAN_SIZE wxSize(FromDIP(78), FromDIP(174))
+
+int generic_ams_layout_width(wxWindow *window, int lane_count)
+{
+    const int base_width = window->FromDIP(264);
+    const int lane_width = window->FromDIP(52);
+    const int lane_gap = window->FromDIP(4);
+    if (lane_count <= 4)
+        return base_width;
+
+    // Lane centers are distributed as width * (index + 1) / (count + 1).
+    // Keep at least one card width plus the requested gap between centers.
+    return std::max(base_width, (lane_count + 1) * (lane_width + lane_gap));
+}
+
+std::vector<int> generic_ams_lane_centers(int lane_count, int width)
+{
+    std::vector<int> centers;
+    if (lane_count <= 0)
+        return centers;
+
+    centers.reserve(lane_count);
+    for (int lane = 0; lane < lane_count; ++lane)
+        centers.push_back(width * (lane + 1) / (lane_count + 1));
+    return centers;
+}
+
+int generic_ams_preview_width(wxWindow *window, int lane_count)
+{
+    const int base_width = window->FromDIP(52);
+    const int lane_width = window->FromDIP(9);
+    const int lane_gap = window->FromDIP(4);
+    if (lane_count <= 0)
+        return base_width;
+
+    return std::max(base_width, lane_count * lane_width + (lane_count + 1) * lane_gap);
+}
+
+bool use_generic_ams_layout(AMSModel model)
+{
+    return model == AMSModel::GENERIC_AMS &&
+           (!wxGetApp().preset_bundle || !wxGetApp().preset_bundle->is_bbl_vendor());
+}
 bool AMSinfo::parse_ams_info(MachineObject *obj, DevAms *ams, bool remain_flag, bool humidity_flag)
 {
     if (!ams) return false;
@@ -170,10 +213,14 @@ void AMSinfo::parse_ext_info(MachineObject* obj, DevAmsTray tray) {
     info.can_id = std::to_string(0);
     this->cans.clear();
 
-    if (tray.id == std::to_string(VIRTUAL_TRAY_MAIN_ID))
+    try {
+        const int virtual_tray_id = std::stoi(tray.id);
+        if (virtual_tray_id >= 0 && virtual_tray_id <= VIRTUAL_TRAY_MAIN_ID)
+            this->nozzle_id = VIRTUAL_TRAY_MAIN_ID - virtual_tray_id;
+    }
+    catch (...) {
         this->nozzle_id = 0;
-    else if (tray.id == std::to_string(VIRTUAL_TRAY_DEPUTY_ID))
-        this->nozzle_id = 1;
+    }
 
     if (tray.is_tray_info_ready()) {
         info.ctype = tray.ctype;
@@ -856,7 +903,11 @@ AMSextruder::AMSextruder(wxWindow *parent, wxWindowID id, int nozzle_num, const
 
 void AMSextruder::TurnOff()
 {
-    m_left_extruder->TurnOff();
+    if (m_left_extruder) m_left_extruder->TurnOff();
+    if (m_right_extruder) m_right_extruder->TurnOff();
+    for (auto *extruder : m_nozzle_extruders) {
+        if (extruder) extruder->TurnOff();
+    }
 }
 
 void AMSextruder::create(wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int nozzle_num)
@@ -882,7 +933,7 @@ void AMSextruder::OnAmsLoading(bool load, int nozzle_id, wxColour col /*= AMS_CO
         m_left_extruder->OnAmsLoading(load, col);
         if (load) m_current_colur_deputy = col;
     }
-    else if (m_nozzle_num > 1){
+    else if (m_nozzle_num == 2){
         if (nozzle_id == MAIN_EXTRUDER_ID) {
             m_right_extruder->OnAmsLoading(load, col);
             if (m_current_colur != col){
@@ -896,6 +947,15 @@ void AMSextruder::OnAmsLoading(bool load, int nozzle_id, wxColour col /*= AMS_CO
             }
         }
     }
+    else if (m_nozzle_num > 2) {
+        if (nozzle_id >= 0 && nozzle_id < static_cast<int>(m_nozzle_extruders.size())) {
+            m_nozzle_extruders[nozzle_id]->OnAmsLoading(load, col);
+            if (load) m_current_colur = col;
+        }
+    }
+    else {
+        // Generic N Nozzles
+    }
 }
 
 /*return true if something is updated*/
@@ -905,12 +965,26 @@ bool AMSextruder::updateNozzleNum(int nozzle_num, const string& series_name)
     m_series_name = series_name;
     m_nozzle_num = nozzle_num;
     this->DestroyChildren();
+    m_left_extruder = nullptr;
+    m_right_extruder = nullptr;
+    m_nozzle_extruders.clear();
 
-    m_right_extruder = new AMSextruderImage(this, wxID_ANY, "right_nozzle", AMS_EXTRUDER_DOUBLE_NOZZLE_BITMAP_SIZE);
+    m_bitmap_sizer = new wxBoxSizer(wxHORIZONTAL);
+    if (m_nozzle_num == 1) {
+        if (MachineObject::is_series_n(m_series_name)) {
+            m_left_extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_n", AMS_EXTRUDER_SINGLE_NOZZLE_N_SIZE);
+        } else if (MachineObject::is_series_x(m_series_name) || MachineObject::is_series_p(m_series_name)) {
+            m_left_extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_xp", AMS_EXTRUDER_SINGLE_NOZZLE_XP_SIZE);
+        } else {
+            m_left_extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_xp", AMS_EXTRUDER_SINGLE_NOZZLE_XP_SIZE);
+        }
 
-    wxBoxSizer* m_bitmap_sizer = new wxBoxSizer(wxHORIZONTAL);
-    if (m_nozzle_num >= 2)
+        m_left_extruder->setShowState(true);
+        m_bitmap_sizer->Add(m_left_extruder, 0, wxALIGN_LEFT | wxALIGN_TOP, 0);
+    }
+    else if (m_nozzle_num == 2)
     {
+        m_right_extruder = new AMSextruderImage(this, wxID_ANY, "right_nozzle", AMS_EXTRUDER_DOUBLE_NOZZLE_BITMAP_SIZE);
         m_left_extruder = new AMSextruderImage(this, wxID_ANY, "left_nozzle", AMS_EXTRUDER_DOUBLE_NOZZLE_BITMAP_SIZE);
         m_left_extruder->setShowState(true);
         m_right_extruder->setShowState(true);
@@ -918,25 +992,17 @@ bool AMSextruder::updateNozzleNum(int nozzle_num, const string& series_name)
         m_bitmap_sizer->Add(m_right_extruder, 0, wxLEFT | wxALIGN_TOP, FromDIP(2));
         m_bitmap_sizer->AddSpacer(2);
     }
+    else if (m_nozzle_num > 2) {
+        for (int nozzle_id = 0; nozzle_id < m_nozzle_num; ++nozzle_id) {
+            auto *extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_n", AMS_EXTRUDER_SINGLE_NOZZLE_N_SIZE);
+            extruder->setShowState(true);
+            m_nozzle_extruders.push_back(extruder);
+            m_bitmap_sizer->Add(extruder, 0, wxALIGN_LEFT | wxALIGN_TOP, 0);
+        }
+    }
     else
     {
-        if (MachineObject::is_series_n(m_series_name))
-        {
-            m_left_extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_n", AMS_EXTRUDER_SINGLE_NOZZLE_N_SIZE);
-        }
-        else if(MachineObject::is_series_x(m_series_name) || MachineObject::is_series_p(m_series_name))
-        {
-            m_left_extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_xp", AMS_EXTRUDER_SINGLE_NOZZLE_XP_SIZE);
-        }
-        else
-        {
-            m_left_extruder = new AMSextruderImage(this, wxID_ANY, "single_nozzle_xp", AMS_EXTRUDER_SINGLE_NOZZLE_XP_SIZE);
-        }
-
-        m_left_extruder->setShowState(true);
-        m_right_extruder->setShowState(false);
-        m_bitmap_sizer->Add(m_left_extruder, 0, wxALIGN_LEFT | wxALIGN_TOP, 0);
-        m_bitmap_sizer->Add(m_right_extruder, 0, wxLEFT | wxALIGN_TOP, FromDIP(3));
+        // Generic N Nozzles
     }
 
     SetSizer(m_bitmap_sizer);
@@ -951,6 +1017,9 @@ void AMSextruder::msw_rescale()
     //m_amsSextruder->msw_rescale();
     if (m_left_extruder) m_left_extruder->msw_rescale();
     if (m_right_extruder) m_right_extruder->msw_rescale();
+    for (auto *extruder : m_nozzle_extruders) {
+        if (extruder) extruder->msw_rescale();
+    }
     Layout();
     Update();
     Refresh();
@@ -2123,7 +2192,10 @@ AMSRoadUpPart::AMSRoadUpPart(wxWindow* parent, wxWindowID id, AMSinfo info, AMSM
     m_ams_model = model;
 
     if (m_ams_model == AMSModel::GENERIC_AMS){
-        create(parent, id, pos, wxSize(FromDIP(264), FromDIP(34)));
+        const int width = use_generic_ams_layout(m_ams_model)
+            ? generic_ams_layout_width(this, static_cast<int>(m_amsinfo.cans.size()))
+            : FromDIP(264);
+        create(parent, id, pos, wxSize(width, FromDIP(34)));
     }
     else{
         create(parent, id, pos, wxSize(FromDIP(78), FromDIP(34)));
@@ -2235,6 +2307,38 @@ void AMSRoadUpPart::doRender(wxDC& dc)
     dc.SetPen(wxPen(AMS_CONTROL_GRAY500, 2, wxPENSTYLE_SOLID));
     dc.SetBrush(wxBrush(*wxTRANSPARENT_BRUSH));
 
+    if (use_generic_ams_layout(m_ams_model)) {
+        const int lane_count = static_cast<int>(m_amsinfo.cans.size());
+        if (lane_count <= 0)
+            return;
+
+        const auto lane_centers = generic_ams_lane_centers(lane_count, size.x);
+        const int height = FromDIP(21);
+        for (const int lane_center : lane_centers)
+            dc.DrawLine(lane_center, 0, lane_center, height);
+
+        if (lane_centers.size() > 1)
+            dc.DrawLine(lane_centers.front(), height, lane_centers.back(), height);
+        dc.DrawLine(size.x / 2, height, size.x / 2, size.y);
+
+        if (m_load_step != AMSPassRoadSTEP::AMS_ROAD_STEP_NONE &&
+            m_load_slot_index >= 0 && m_load_slot_index < lane_count) {
+            const int lane_center = lane_centers[m_load_slot_index];
+            dc.SetPen(wxPen(_get_diff_clr(this, m_amsinfo.cans[m_load_slot_index].material_colour), 4, wxPENSTYLE_SOLID));
+            dc.DrawLine(lane_center, 0, lane_center, height);
+            dc.DrawLine(std::min(lane_center, size.x / 2), height,
+                        std::max(lane_center, size.x / 2), height);
+            if (m_load_step == AMSPassRoadSTEP::AMS_ROAD_STEP_2 ||
+                m_load_step == AMSPassRoadSTEP::AMS_ROAD_STEP_3)
+                dc.DrawLine(size.x / 2, height, size.x / 2, size.y);
+        }
+
+        dc.SetPen(*wxTRANSPARENT_PEN);
+        dc.SetBrush(wxBrush(wxColour(194, 194, 194)));
+        dc.DrawRectangle(size.x / 2 - FromDIP(14), height - FromDIP(5), FromDIP(28), FromDIP(10));
+        return;
+    }
+
     if ((m_ams_model == N3S_AMS || m_ams_model == EXT_AMS) && m_amsinfo.cans.size() != 4){
         dc.DrawLine(((float)size.x / 2), (0), ((float)size.x / 2), (size.y));
         if (m_load_step == AMSPassRoadSTEP::AMS_ROAD_STEP_2 || m_load_step == AMSPassRoadSTEP::AMS_ROAD_STEP_3){
@@ -2360,6 +2464,45 @@ void AMSRoadDownPart::UpdateRight(int nozzle_num, AMSRoadShowMode mode)
     Refresh();
 }
 
+void AMSRoadDownPart::SetNozzleCount(int nozzle_num)
+{
+    const int new_nozzle_num = std::max(1, nozzle_num);
+    if (m_nozzle_num == new_nozzle_num &&
+        (new_nozzle_num <= 2 || static_cast<int>(m_generic_road_states.size()) == new_nozzle_num)) {
+        return;
+    }
+
+    m_nozzle_num = new_nozzle_num;
+    if (m_nozzle_num > 2)
+        m_generic_road_states.resize(m_nozzle_num);
+    else
+        m_generic_road_states.clear();
+    Refresh();
+}
+
+void AMSRoadDownPart::SetSingleSideLayout(bool enabled, AMSPanelPos pos)
+{
+    if (m_single_side_layout == enabled && m_single_side_pos == pos)
+        return;
+
+    m_single_side_layout = enabled;
+    m_single_side_pos = pos;
+    Refresh();
+}
+
+void AMSRoadDownPart::UpdateNozzle(int nozzle_id, AMSRoadShowMode mode)
+{
+    if (nozzle_id < 0) return;
+    if (nozzle_id >= static_cast<int>(m_generic_road_states.size()))
+        m_generic_road_states.resize(nozzle_id + 1);
+
+    auto &state = m_generic_road_states[nozzle_id];
+    if (state.mode == mode && m_nozzle_num > 2) return;
+    state.mode = mode;
+    m_nozzle_num = std::max(m_nozzle_num, nozzle_id + 1);
+    Refresh();
+}
+
 void AMSRoadDownPart::OnVamsLoading(bool load, wxColour col /*= AMS_CONTROL_GRAY500*/)
 {
     /*m_vams_loading = load;
@@ -2389,6 +2532,17 @@ void AMSRoadDownPart::SetPassRoadColour(bool left, wxColour col)
     Refresh();
 }
 
+void AMSRoadDownPart::SetPassRoadColour(int nozzle_id, wxColour col)
+{
+    if (nozzle_id < 0) return;
+    if (nozzle_id >= static_cast<int>(m_generic_road_states.size()))
+        m_generic_road_states.resize(nozzle_id + 1);
+
+    if (m_generic_road_states[nozzle_id].road_color == col) return;
+    m_generic_road_states[nozzle_id].road_color = col;
+    Refresh();
+}
+
 void AMSRoadDownPart::SetShowMode(AMSRoadShowMode left_mode, AMSRoadShowMode right_mode)
 {
     if (m_left_rode_mode == left_mode && m_right_rode_mode == right_mode) { return; }
@@ -2433,8 +2587,34 @@ void AMSRoadDownPart::doRender(wxDC& dc)
     /*if (m_road_color.Alpha() == 0) { dc.SetPen(wxPen(*wxWHITE, m_passroad_width, wxPENSTYLE_SOLID)); }
     else { dc.SetPen(wxPen(m_road_color, m_passroad_width, wxPENSTYLE_SOLID)); }*/
     dc.SetPen(wxPen(AMS_CONTROL_GRAY500, 2, wxPENSTYLE_SOLID));
+
+    if (m_nozzle_num > 2) {
+        const int nozzle_count = std::min(m_nozzle_num, static_cast<int>(m_generic_road_states.size()));
+        for (int nozzle_id = 0; nozzle_id < nozzle_count; ++nozzle_id) {
+            const auto &state = m_generic_road_states[nozzle_id];
+            if (state.mode == AMSRoadShowMode::AMS_ROAD_MODE_NONE) continue;
+
+            const int x = size.x * (nozzle_id + 1) / (nozzle_count + 1);
+            dc.SetPen(wxPen(AMS_CONTROL_GRAY500, 2, wxPENSTYLE_SOLID));
+            dc.DrawLine(x, size.y / 2, x, size.y);
+
+            if (state.road_length > 0 &&
+                (state.pass_road_step == AMSPassRoadSTEP::AMS_ROAD_STEP_2 ||
+                 state.pass_road_step == AMSPassRoadSTEP::AMS_ROAD_STEP_3)) {
+                dc.SetPen(wxPen(_get_diff_clr(this, state.road_color), 4, wxPENSTYLE_SOLID));
+                dc.DrawLine(x - FromDIP(state.road_length), size.y / 2, x, size.y / 2);
+            }
+        }
+        return;
+    }
+
     auto xpos = left_nozzle_pos.x;
-    if (m_left_rode_mode == AMSRoadShowMode::AMS_ROAD_MODE_NONE || m_right_rode_mode == AMSRoadShowMode::AMS_ROAD_MODE_NONE){
+    if (m_single_side_layout) {
+        dc.DrawLine(size.x / 2, 0, size.x / 2, size.y);
+    }
+    else if (
+        (m_left_rode_mode == AMSRoadShowMode::AMS_ROAD_MODE_NONE ||
+         m_right_rode_mode == AMSRoadShowMode::AMS_ROAD_MODE_NONE)){
         auto length = 50;
         if (m_left_rode_mode == AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE || m_right_rode_mode == AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE)
             length = -13;
@@ -2465,6 +2645,9 @@ void AMSRoadDownPart::doRender(wxDC& dc)
         case AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE:
             dc.DrawLine(left_nozzle_pos.x, 0, left_nozzle_pos.x, size.y);
             break;
+        case AMSRoadShowMode::AMS_ROAD_MODE_GENERIC:
+            // Generic N-lane geometry is intentionally left unimplemented.
+            break;
         default:
             break;
         }
@@ -2492,23 +2675,41 @@ void AMSRoadDownPart::doRender(wxDC& dc)
             dc.DrawLine(left_nozzle_pos.x, (size.y / 2), left_nozzle_pos.x + FromDIP(145), (size.y / 2));
             dc.DrawLine(left_nozzle_pos.x + FromDIP(145), 0, left_nozzle_pos.x + FromDIP(145), (size.y / 2));
             break;
+        case AMSRoadShowMode::AMS_ROAD_MODE_GENERIC:
+            // Generic N-lane geometry is intentionally left unimplemented.
+            break;
         default:
             break;
         }
     }
 
+    if (m_single_side_layout) {
+        if (m_pass_road_left_step == AMSPassRoadSTEP::AMS_ROAD_STEP_2 ||
+            m_pass_road_left_step == AMSPassRoadSTEP::AMS_ROAD_STEP_3) {
+            dc.SetPen(wxPen(_get_diff_clr(this, m_road_color[1]), 4, wxPENSTYLE_SOLID));
+            dc.DrawLine(size.x / 2, 0, size.x / 2, size.y);
+        }
+        return;
+    }
+
     if (m_right_rode_mode != AMSRoadShowMode::AMS_ROAD_MODE_AMS_LITE){
-        if (m_nozzle_num == 2) {
+        if (m_nozzle_num == 1) {
+            if (m_right_rode_mode != AMSRoadShowMode::AMS_ROAD_MODE_NONE && m_left_rode_mode != AMSRoadShowMode::AMS_ROAD_MODE_NONE) {
+                dc.DrawLine((left_nozzle_pos.x), (size.y / 2), (right_nozzle_pos.x), (size.y / 2));
+            }
+            const auto &nozzle_pos = m_single_side_layout && m_single_side_pos == AMSPanelPos::RIGHT_PANEL
+                ? right_nozzle_pos
+                : left_nozzle_pos;
+            dc.DrawLine(nozzle_pos.x, (size.y / 2), nozzle_pos.x, (size.y));
+        }
+        else if (m_nozzle_num == 2) {
             /*dc.DrawLine(FromDIP(left_nozzle_pos.x), FromDIP(size.y / 2), FromDIP(left_nozzle_pos.x), FromDIP(size.y));
             dc.DrawLine(FromDIP(right_nozzle_pos.x), FromDIP(size.y / 2), FromDIP(right_nozzle_pos.x), FromDIP(size.y));*/
             dc.DrawLine((left_nozzle_pos.x), (size.y / 2), (left_nozzle_pos.x), (size.y));
             dc.DrawLine((right_nozzle_pos.x), (size.y / 2), (right_nozzle_pos.x), (size.y));
         }
         else {
-            if (m_right_rode_mode != AMSRoadShowMode::AMS_ROAD_MODE_NONE && m_left_rode_mode != AMSRoadShowMode::AMS_ROAD_MODE_NONE) {
-                dc.DrawLine((left_nozzle_pos.x), (size.y / 2), (right_nozzle_pos.x), (size.y / 2));
-            }
-            dc.DrawLine((left_nozzle_pos.x), (size.y / 2), (left_nozzle_pos.x), (size.y));
+            // Generic N Nozzles
         }
     }
 
@@ -2533,10 +2734,16 @@ void AMSRoadDownPart::doRender(wxDC& dc)
                  dc.DrawLine(xpos, size.y / 2, xpos, size.y);*/
                 int x   = left_nozzle_pos.x;
                 int len = m_right_road_length;
-                if (m_nozzle_num == 2) {
+                if (m_nozzle_num == 1) {
+                    // Keep the single-nozzle path anchored at the left nozzle.
+                }
+                else if (m_nozzle_num == 2) {
                     x   = right_nozzle_pos.x;
                     len = len - 14;
                 }
+                else {
+                    // Generic N Nozzles
+                }
                 dc.DrawLine(((x)), (size.y / 2), x + FromDIP(len), (size.y / 2));
                 dc.DrawLine(x + FromDIP(len), (0), x + FromDIP(len), (size.y / 2));
                 dc.DrawLine((x), (size.y / 2), (x), (size.y));
@@ -2544,10 +2751,16 @@ void AMSRoadDownPart::doRender(wxDC& dc)
             else{
                 int x = left_nozzle_pos.x;
                 int len = m_right_road_length;
-                if (m_nozzle_num == 2) {
+                if (m_nozzle_num == 1) {
+                    // Keep the single-nozzle path anchored at the left nozzle.
+                }
+                else if (m_nozzle_num == 2) {
                     x = right_nozzle_pos.x;
                     len = len - 14;
                 }
+                else {
+                    // Generic N Nozzles
+                }
                 dc.DrawLine(((x)), (size.y / 2), x + FromDIP(len), (size.y / 2));
                 dc.DrawLine(x + FromDIP(len), (0), x + FromDIP(len), (size.y / 2));
                 dc.DrawLine((x), (size.y / 2), (x), (size.y));
@@ -2571,7 +2784,7 @@ void AMSRoadDownPart::doRender(wxDC& dc)
 }
 
 void AMSRoadDownPart::UpdatePassRoad(AMSPanelPos pos, int len, AMSPassRoadSTEP step) {
-    if (m_nozzle_num >= 2){
+    if (m_nozzle_num == 2){
         if (pos == AMSPanelPos::LEFT_PANEL){
             if (m_left_road_length == len && m_pass_road_left_step == step){ return; }
             m_left_road_length = len;;
@@ -2583,7 +2796,7 @@ void AMSRoadDownPart::UpdatePassRoad(AMSPanelPos pos, int len, AMSPassRoadSTEP s
             m_pass_road_right_step = step;
         }
     }
-    else{
+    else if (m_nozzle_num == 1){
         if (pos == AMSPanelPos::LEFT_PANEL) {
             if (m_left_road_length == len && m_pass_road_left_step == step && m_right_road_length == -1) { return; }
             m_left_road_length = len;
@@ -2597,6 +2810,22 @@ void AMSRoadDownPart::UpdatePassRoad(AMSPanelPos pos, int len, AMSPassRoadSTEP s
             m_pass_road_right_step = step;
         }
     }
+    else {
+        // Generic N Nozzles
+    }
+    Refresh();
+}
+
+void AMSRoadDownPart::UpdatePassRoad(int nozzle_id, int len, AMSPassRoadSTEP step)
+{
+    if (nozzle_id < 0) return;
+    if (nozzle_id >= static_cast<int>(m_generic_road_states.size()))
+        m_generic_road_states.resize(nozzle_id + 1);
+
+    auto &state = m_generic_road_states[nozzle_id];
+    if (state.road_length == len && state.pass_road_step == step) return;
+    state.road_length = len;
+    state.pass_road_step = step;
     Refresh();
 }
 
@@ -2615,7 +2844,10 @@ AMSPreview::AMSPreview(wxWindow* parent, wxWindowID id, AMSinfo amsinfo, AMSMode
 {
     wxWindow::Create(parent, id, pos);
     if (itemType == AMSModel::GENERIC_AMS || itemType == AMSModel::AMS_LITE || itemType == AMSModel::N3F_AMS) {
-        create(parent, id, pos, AMS_PREV_FOUR_SIZE);
+        if (itemType == AMSModel::GENERIC_AMS && use_generic_ams_layout(itemType))
+            create(parent, id, pos, wxSize(generic_ams_preview_width(this, static_cast<int>(amsinfo.cans.size())), AMS_PREV_FOUR_SIZE.y));
+        else
+            create(parent, id, pos, AMS_PREV_FOUR_SIZE);
     }
     else {
         create(parent, id, pos, AMS_PREV_SINGLE_SIZE);
@@ -2650,7 +2882,13 @@ void AMSPreview::UpdateInfo(AMSinfo amsinfo)
     m_amsinfo = amsinfo;
     m_ams_item_type = amsinfo.ams_type;
 
-    if (m_ams_item_type == AMSModel::GENERIC_AMS || m_ams_item_type == AMSModel::AMS_LITE || m_ams_item_type == AMSModel::N3F_AMS) {
+    if (m_ams_item_type == AMSModel::GENERIC_AMS && use_generic_ams_layout(m_ams_item_type)) {
+        const wxSize generic_size(generic_ams_preview_width(this, static_cast<int>(m_amsinfo.cans.size())), AMS_PREV_FOUR_SIZE.y);
+        SetSize(generic_size);
+        SetMinSize(generic_size);
+        SetMaxSize(generic_size);
+    }
+    else if (m_ams_item_type == AMSModel::GENERIC_AMS || m_ams_item_type == AMSModel::AMS_LITE || m_ams_item_type == AMSModel::N3F_AMS) {
         SetMinSize(AMS_PREV_FOUR_SIZE);
         SetMaxSize(AMS_PREV_FOUR_SIZE);
     } else {
@@ -2758,8 +2996,41 @@ void AMSPreview::doRender(wxDC &dc)
     dc.DrawRoundedRectangle(0, 0, size.x, size.y, FromDIP(3));
 
     auto left = 0;
-    //four slot
-    if (m_ams_item_type != AMSModel::EXT_AMS && m_ams_item_type != AMSModel::N3S_AMS){
+    // Generic AMS previews use the same normalized lane centers as the card row and connector.
+    if (m_ams_item_type == AMSModel::GENERIC_AMS && use_generic_ams_layout(m_ams_item_type)) {
+        const int lane_count = static_cast<int>(m_amsinfo.cans.size());
+        const auto lane_centers = generic_ams_lane_centers(lane_count, size.x);
+        const int cube_width = FromDIP(9);
+        const int cube_height = FromDIP(14);
+
+        for (int lane = 0; lane < lane_count; ++lane) {
+            const Caninfo &can = m_amsinfo.cans[lane];
+            const int cube_left = lane_centers[lane] - cube_width / 2;
+            const int cube_top = (size.y - cube_height) / 2;
+            wxRect rect(cube_left, cube_top, cube_width, cube_height);
+
+            if (can.material_colour.Alpha() == 0) {
+                if (wxGetApp().dark_mode())
+                    dc.DrawBitmap(m_ts_bitmap_cube_dark.bmp(), cube_left - FromDIP(1), (size.y - m_ts_bitmap_cube_dark.GetBmpHeight()) / 2);
+                else
+                    dc.DrawBitmap(m_ts_bitmap_cube.bmp(), cube_left - FromDIP(1), (size.y - m_ts_bitmap_cube.GetBmpHeight()) / 2);
+            }
+            else if (can.material_state == AMSCanType::AMS_CAN_TYPE_EMPTY) {
+                dc.SetPen(wxPen(wxColor(0, 0, 0)));
+                dc.DrawLine(rect.GetRight() - FromDIP(1), rect.GetTop() + FromDIP(1),
+                            rect.GetLeft() + FromDIP(1), rect.GetBottom() - FromDIP(1));
+            }
+            else {
+                wxColour color = can.material_colour;
+                change_the_opacity(color);
+                dc.SetPen(wxPen(*wxTRANSPARENT_PEN));
+                dc.SetBrush(wxBrush(color));
+                dc.DrawRoundedRectangle(rect, 2);
+            }
+        }
+    }
+    // four slot
+    else if (m_ams_item_type != AMSModel::EXT_AMS && m_ams_item_type != AMSModel::N3S_AMS){
         left =  FromDIP(8);
         for (std::vector<Caninfo>::iterator iter = m_amsinfo.cans.begin(); iter != m_amsinfo.cans.end(); iter++) {
 
@@ -3158,10 +3429,19 @@ AmsItem::AmsItem(wxWindow *parent,AMSinfo info,  AMSModel model, AMSPanelPos pos
     m_panel_pos = pos;
 
     if (m_ams_model == AMSModel::GENERIC_AMS){
-        wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, AMS_CANS_WINDOW_SIZE);
-        SetSize(AMS_CANS_WINDOW_SIZE);
-        SetMinSize(AMS_CANS_WINDOW_SIZE);
-        SetMaxSize(AMS_CANS_WINDOW_SIZE);
+        const int lane_count = static_cast<int>(m_info.cans.size());
+        const int width = use_generic_ams_layout(m_ams_model) && lane_count <= 8
+            ? generic_ams_layout_width(this, lane_count)
+            : FromDIP(264);
+        const wxSize generic_size(width, FromDIP(174));
+        wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, generic_size);
+        SetSize(generic_size);
+        SetMinSize(generic_size);
+        // For large lane counts the card is a viewport, not the lane strip. Let
+        // its parent allocate the available width; the scrolled child retains
+        // the wider virtual content size.
+        if (!(use_generic_ams_layout(m_ams_model) && lane_count > 8))
+            SetMaxSize(generic_size);
     }
     else{
         wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, AMS_SINGLE_CAN_SIZE);
@@ -3187,12 +3467,43 @@ void AmsItem::create(wxWindow *parent)
     if (m_ams_model != AMSModel::AMS_LITE) {
         sizer_can = new wxBoxSizer(wxHORIZONTAL);
         sizer_item = new wxBoxSizer(wxVERTICAL);
-        auto it = m_info.cans.begin();
-        for (; it != m_info.cans.end(); it++) {
-            AddCan(*it, m_can_count, m_info.cans.size(), sizer_can);
+        const bool generic_layout = use_generic_ams_layout(m_ams_model);
+        const int lane_count = static_cast<int>(m_info.cans.size());
+        const int content_width = generic_layout ? generic_ams_layout_width(this, lane_count) : 0;
+        const bool scroll_lanes = generic_layout && lane_count > 8;
+        const auto lane_centers = generic_layout
+            ? generic_ams_lane_centers(lane_count, content_width)
+            : std::vector<int>();
+
+        m_can_parent = this;
+        if (scroll_lanes) {
+            m_can_scroll = new wxScrolledWindow(this, wxID_ANY);
+            m_can_scroll->SetScrollRate(FromDIP(10), 0);
+            m_can_scroll->SetMinSize(wxSize(FromDIP(264), FromDIP(143)));
+            m_can_scroll->SetBackgroundColour(StateColor::darkModeColorFor(AMS_CONTROL_DEF_LIB_BK_COLOUR));
+            m_can_scroll_sizer = new wxBoxSizer(wxVERTICAL);
+            m_can_scroll->SetSizer(m_can_scroll_sizer);
+            m_can_parent = m_can_scroll;
+        }
+
+        int previous_right = 0;
+        for (int can_index = 0; can_index < lane_count; ++can_index) {
+            if (generic_layout) {
+                const int left = lane_centers[can_index] - FromDIP(26);
+                sizer_can->AddSpacer(std::max(0, left - previous_right));
+                AddCan(m_info.cans[can_index], m_can_count, m_info.cans.size(), sizer_can);
+                previous_right = left + FromDIP(52);
+            }
+            else {
+                AddCan(m_info.cans[can_index], m_can_count, m_info.cans.size(), sizer_can);
+            }
             m_can_count++;
         }
-        it = m_info.cans.begin();
+        if (generic_layout)
+            sizer_can->AddSpacer(std::max(0, content_width - previous_right));
+        if (generic_layout)
+            sizer_can->SetMinSize(wxSize(content_width, -1));
+
         //auto        road_panel = new wxWindow(this, wxID_ANY);
         //auto        road_panel = new wxPanel(this, wxID_ANY);
         //road_panel->SetSize(AMS_CAN_ROAD_SIZE);
@@ -3207,11 +3518,18 @@ void AmsItem::create(wxWindow *parent)
                 sizer_item->Add(m_ext_image, 0, wxALIGN_CENTER, 0);
             }
         }
-        m_panel_road = new AMSRoadUpPart(this, wxID_ANY, m_info, m_ams_model);
+        m_panel_road = new AMSRoadUpPart(m_can_parent, wxID_ANY, m_info, m_ams_model);
 
-        sizer_item->Add(sizer_can, 0, wxALIGN_CENTER_HORIZONTAL, 0);
-        //sizer_item->Add(m_panel_road, 0, wxALIGN_CENTER_HORIZONTAL, 0);
-        sizer_item->Add(m_panel_road, 1, wxEXPAND);
+        if (scroll_lanes) {
+            m_can_scroll_sizer->Add(sizer_can, 0, wxALIGN_LEFT, 0);
+            m_can_scroll_sizer->Add(m_panel_road, 0, wxALIGN_LEFT, 0);
+            sizer_item->Add(m_can_scroll, 1, wxEXPAND);
+        }
+        else {
+            sizer_item->Add(sizer_can, 0, wxALIGN_CENTER_HORIZONTAL, 0);
+            //sizer_item->Add(m_panel_road, 0, wxALIGN_CENTER_HORIZONTAL, 0);
+            sizer_item->Add(m_panel_road, 1, wxEXPAND);
+        }
 
         SetSizer(sizer_item);
     }
@@ -3235,13 +3553,17 @@ void AmsItem::create(wxWindow *parent)
 
     Layout();
     Fit();
+    if (m_can_scroll) {
+        m_can_scroll->Layout();
+        m_can_scroll->FitInside();
+    }
     Thaw();
     //Refresh();
 }
 
 void AmsItem::AddCan(Caninfo caninfo, int canindex, int maxcan, wxBoxSizer* sizer)
 {
-    auto        amscan = new wxWindow(this, wxID_ANY);
+    auto        amscan = new wxWindow(m_can_parent ? m_can_parent : this, wxID_ANY);
 
     amscan->SetSize(wxSize(FromDIP(52), FromDIP(109)));
     amscan->SetMinSize(wxSize(FromDIP(52), FromDIP(109)));
@@ -3322,7 +3644,8 @@ void AmsItem::AddCan(Caninfo caninfo, int canindex, int maxcan, wxBoxSizer* size
     amscan->Layout();
     amscan->Fit();
 
-    sizer->Add(amscan, 0, wxUP | wxLEFT | wxRIGHT, FromDIP(5));
+    const int margin = use_generic_ams_layout(m_ams_model) ? 0 : FromDIP(5);
+    sizer->Add(amscan, 0, wxUP | wxLEFT | wxRIGHT, margin);
 
     m_can_lib_list[caninfo.can_id] = m_panel_lib;
     //m_can_road_list[caninfo.can_id] = m_panel_road;
@@ -3447,6 +3770,10 @@ void AmsItem::UpdateInfo(AMSinfo info)
     }
 
     Layout();
+    if (m_can_scroll) {
+        m_can_scroll->Layout();
+        m_can_scroll->FitInside();
+    }
 }
 
 void AmsItem::SetDefSelectCan()

src/slic3r/GUI/Widgets/AMSItem.hpp

@@ -30,6 +30,7 @@
 #include <wx/string.h>
 #include <wx/timer.h>
 #include <wx/sizer.h>
+#include <wx/scrolwin.h>
 
 #include "slic3r/GUI/DeviceCore/DevFilaSwitch.h" // Orca: DevFilaSwitch::SwitchPos for inlet-aware AMS placement
 
@@ -96,6 +97,7 @@ enum class AMSRoadShowMode : int {
     AMS_ROAD_MODE_SINGLE,
     AMS_ROAD_MODE_SINGLE_N3S,
     AMS_ROAD_MODE_AMS_LITE,
+    AMS_ROAD_MODE_GENERIC,
     AMS_ROAD_MODE_NONE
 };
 
@@ -480,6 +482,7 @@ public:
     //AMSextruderImage *m_amsSextruder{nullptr};
     AMSextruderImage* m_left_extruder = nullptr;
     AMSextruderImage* m_right_extruder = nullptr;
+    std::vector<AMSextruderImage*> m_nozzle_extruders;
     AMSextruder(wxWindow *parent, wxWindowID id, int nozzle_num, const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize);
     ~AMSextruder();
 
@@ -681,11 +684,16 @@ public:
     // void                         Update(AMSRoadDownPartMode nozzle, AMSRoadShowMode left_mode, AMSRoadShowMode right_mode, int left_len, int right_len);
     void UpdateLeft(int nozzle_num, AMSRoadShowMode mode);
     void UpdateRight(int nozzle_num, AMSRoadShowMode mode);
+    void SetNozzleCount(int nozzle_num);
+    void SetSingleSideLayout(bool enabled, AMSPanelPos pos = AMSPanelPos::LEFT_PANEL);
+    void UpdateNozzle(int nozzle_id, AMSRoadShowMode mode);
 
     void OnVamsLoading(bool load, wxColour col = AMS_CONTROL_GRAY500);
     void SetPassRoadColour(bool left, wxColour col);
+    void SetPassRoadColour(int nozzle_id, wxColour col);
     void SetShowMode(AMSRoadShowMode left_mode, AMSRoadShowMode right_mode);
     void UpdatePassRoad(AMSPanelPos pos, int len, AMSPassRoadSTEP step);
+    void UpdatePassRoad(int nozzle_id, int len, AMSPassRoadSTEP step);
 
     void paintEvent(wxPaintEvent& evt);
     void render(wxDC& dc);
@@ -698,6 +706,8 @@ private:
     AMSRoadShowMode m_left_rode_mode       = {AMSRoadShowMode::AMS_ROAD_MODE_FOUR};
     AMSRoadShowMode m_right_rode_mode      = {AMSRoadShowMode::AMS_ROAD_MODE_FOUR};
     bool            m_selected             = {false};
+    bool            m_single_side_layout   = {false};
+    AMSPanelPos     m_single_side_pos     = {AMSPanelPos::LEFT_PANEL};
 
     int             m_left_road_length     = {-1};
     int             m_right_road_length    = {-1};
@@ -705,6 +715,15 @@ private:
     AMSPassRoadSTEP m_pass_road_right_step = {AMSPassRoadSTEP::AMS_ROAD_STEP_NONE};
 
     std::map<int, wxColour> m_road_color;
+
+    struct GenericRoadState
+    {
+        AMSRoadShowMode mode{AMSRoadShowMode::AMS_ROAD_MODE_NONE};
+        int road_length{-1};
+        AMSPassRoadSTEP pass_road_step{AMSPassRoadSTEP::AMS_ROAD_STEP_NONE};
+        wxColour road_color{AMS_CONTROL_GRAY500};
+    };
+    std::vector<GenericRoadState> m_generic_road_states;
 };
 
 /*************************************************
@@ -864,6 +883,9 @@ private:
 
     std::map<std::string, AMSLib*>      m_can_lib_list;
     //std::map<std::string, AMSRoad*>     m_can_road_list;
+    wxScrolledWindow* m_can_scroll = { nullptr };
+    wxBoxSizer*       m_can_scroll_sizer = { nullptr };
+    wxWindow*         m_can_parent = { nullptr };
     AMSRoadUpPart* m_panel_road = { nullptr };
     std::map<std::string, AMSrefresh*>  m_can_refresh_list;
     AMSHumidity* m_humidity = { nullptr };

src/slic3r/GUI/Widgets/MultiNozzleSync.cpp

@@ -866,14 +866,21 @@ void MultiNozzleStatusTable::UpdateRackInfo(std::weak_ptr<DevNozzleRack> rack)
         bool has_right = false;
         for (auto& elem : nozzles_in_extruder) {
             auto& nozzle = elem.second;
-            int extruder_id = nozzle.AtLeftExtruder() ? 0 : 1;
-            if (nozzle.AtRightExtruder())
-                has_right = true;
+
+            int extruder_id{};
+            if (wxGetApp().preset_bundle->is_bbl_vendor()) {
+                extruder_id = nozzle.AtLeftExtruder() ? 0 : 1;
+                if (nozzle.AtRightExtruder())
+                    has_right = true;
+            }
+            else
+                extruder_id = nozzle.GetExtruderId();
 
             NozzleVolumeType volume_type = DevNozzle::ToNozzleVolumeType(nozzle.m_nozzle_flow);
 
             m_badge->SetExtruderInfo(extruder_id, format_diameter_to_str(nozzle.GetNozzleDiameter()), volume_type);
         }
+        // TODO: Update for N extruders
         m_badge->SetExtruderValid(has_right);
     }
 }

src/slic3r/GUI/Widgets/TempInput.cpp

@@ -184,6 +184,9 @@ void TempInput::SetFinish()
     wxCommandEvent event(wxCUSTOMEVT_SET_TEMP_FINISH);
     event.SetInt(temp_type);
     event.SetString(wxString::Format("%d", m_input_type));
+    // N-extruder temp controls all share TEMP_OF_NORMAL_TYPE, so the string payload above can't
+    // tell them apart; carry widget identity so the listener can find which one fired.
+    event.SetEventObject(this);
     wxPostEvent(this->GetParent(), event);
 }
 

src/slic3r/Utils/BBLNetworkPlugin.cpp

@@ -596,8 +596,7 @@ PrintParams_Legacy BBLNetworkPlugin::as_legacy(PrintParams& param)
 }
 
 // Every PrintParams field except the four the 02.08.01 series added
-// (task_timelapse_use_internal, extruder_cali_manual_mode, svc_context, slicer_uid) and the
-// queue_plate_id 02.08.02 appended.
+// (task_timelapse_use_internal, extruder_cali_manual_mode, svc_context, slicer_uid).
 PrintParams_0203 BBLNetworkPlugin::as_0203(PrintParams& param)
 {
     PrintParams_0203 p;

src/slic3r/Utils/MoonrakerPrinterAgent.cpp

@@ -1057,6 +1057,25 @@ int MoonrakerPrinterAgent::handle_request(const std::string& dev_id, const std::
             }
         }
 
+        // Tool selection is printer-specific G-code. Moonraker forwards the
+        // conventional T<index> command to Klipper, where the printer can
+        // implement logical selection or a physical toolhead attach macro.
+        if (cmd == "select_extruder") {
+            if (!json["print"].contains("extruder_index") || !json["print"]["extruder_index"].is_number_integer()) {
+                BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: select_extruder missing integer extruder_index, full json: " << json_str;
+                return BAMBU_NETWORK_ERR_INVALID_RESULT;
+            }
+
+            const int extruder_idx = json["print"]["extruder_index"].get<int>();
+            if (extruder_idx < 0) {
+                BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: select_extruder received negative extruder_index: " << extruder_idx;
+                return BAMBU_NETWORK_ERR_INVALID_RESULT;
+            }
+
+            send_gcode_async(dev_id, "T" + std::to_string(extruder_idx));
+            return BAMBU_NETWORK_SUCCESS;
+        }
+
         if (cmd == "home") {
             send_gcode_async(dev_id, "G28");
             return BAMBU_NETWORK_SUCCESS;
@@ -1153,7 +1172,7 @@ bool MoonrakerPrinterAgent::query_printer_status(const std::string& base_url,
                                                  nlohmann::json&    status,
                                                  std::string&       error) const
 {
-    std::string url = join_url(base_url, "/printer/objects/query?print_stats&virtual_sdcard&extruder&heater_bed&fan");
+    std::string url = join_url(base_url, "/printer/objects/query?print_stats&virtual_sdcard&toolhead&extruder&heater_bed&fan");
 
     std::string response_body;
     bool        success = false;
@@ -1566,11 +1585,12 @@ void MoonrakerPrinterAgent::run_status_stream(std::string dev_id, std::string ba
                 }
 
                 for (const auto& name : this->available_objects) {
-                    if (name == "extruder" || name.rfind("extruder", 0) == 0) {
+                    const bool is_main_extruder = name == "extruder";
+                    const bool is_additional_extruder =
+                        name.rfind("extruder", 0) == 0 && name.size() > 8 &&
+                        std::all_of(name.begin() + 8, name.end(), [](unsigned char c) { return std::isdigit(c) != 0; });
+                    if (is_main_extruder || is_additional_extruder) {
                         subscribe_objects.insert(name);
-                        if (name == "extruder") {
-                            break;
-                        }
                     }
                 }
             } else {
@@ -1866,6 +1886,81 @@ nlohmann::json MoonrakerPrinterAgent::build_print_payload_locked() const
         }
     }
 
+    // MachineObject::parse_new_info() only parses device.extruder when the four
+    // legacy new-protocol fields are present. Moonraker has no equivalents, so
+    // empty values act as compatibility markers without enabling any features.
+    std::map<int, const nlohmann::json*> extruder_status;
+    for (const auto& item : status_cache.items()) {
+        int extruder_id = -1;
+        if (item.key() == "extruder") {
+            extruder_id = 0;
+        } else if (item.key().rfind("extruder", 0) == 0 && item.key().size() > 8 &&
+                   std::all_of(item.key().begin() + 8, item.key().end(), [](unsigned char c) { return std::isdigit(c) != 0; })) {
+            try {
+                extruder_id = std::stoi(item.key().substr(8));
+            } catch (...) {
+                extruder_id = -1;
+            }
+        }
+        if (extruder_id >= 0 && item.value().is_object()) {
+            extruder_status.emplace(extruder_id, &item.value());
+        }
+    }
+
+    if (!extruder_status.empty()) {
+        auto& device_extruder = payload["print"]["device"]["extruder"];
+
+        int current_extruder_id = 0;
+        if (status_cache.contains("toolhead") && status_cache["toolhead"].is_object() &&
+            status_cache["toolhead"].contains("extruder") && status_cache["toolhead"]["extruder"].is_string()) {
+            const std::string active_extruder = status_cache["toolhead"]["extruder"].get<std::string>();
+            if (active_extruder != "extruder" && active_extruder.rfind("extruder", 0) == 0 && active_extruder.size() > 8 &&
+                std::all_of(active_extruder.begin() + 8, active_extruder.end(), [](unsigned char c) { return std::isdigit(c) != 0; })) {
+                try {
+                    const int parsed_id = std::stoi(active_extruder.substr(8));
+                    if (parsed_id >= 0 && parsed_id < 16 && extruder_status.count(parsed_id) != 0) {
+                        current_extruder_id = parsed_id;
+                    }
+                } catch (...) {
+                    // Keep the main extruder as the fallback for malformed status data.
+                }
+            }
+        }
+
+        const int extruder_count = std::min<int>(static_cast<int>(extruder_status.size()), 0xF);
+        device_extruder["state"] = extruder_count | (current_extruder_id << 4);
+        device_extruder["info"] = nlohmann::json::array();
+
+        auto encoded_temperature = [](const nlohmann::json& status, const char* key) {
+            if (!status.contains(key) || !status[key].is_number()) {
+                return 0;
+            }
+            const double temperature = status[key].get<double>();
+            return std::clamp(static_cast<int>(temperature + 0.5), 0, 65535);
+        };
+
+        for (const auto& [extruder_id, status] : extruder_status) {
+            const int current_temperature = encoded_temperature(*status, "temperature");
+            const int target_temperature  = encoded_temperature(*status, "target");
+            device_extruder["info"].push_back({
+                {"id", extruder_id},
+                {"filam_bak", nlohmann::json::array()},
+                {"info", 1 << 3}, // The configured Moonraker extruder has a toolhead.
+                {"temp", current_temperature | (target_temperature << 16)},
+                {"spre", 0},
+                {"snow", 0},
+                {"star", 0},
+                {"stat", 0},
+                {"hnow", 0},
+            });
+        }
+
+        payload["print"]["cfg"]  = "";
+        payload["print"]["fun"]  = "";
+        payload["print"]["aux"]  = "";
+        payload["print"]["stat"] = "";
+    }
+
     if (status_cache.contains("heater_bed") && status_cache["heater_bed"].is_object()) {
         const auto& bed = status_cache["heater_bed"];
         if (bed.contains("temperature") && bed["temperature"].is_number()) {

src/slic3r/Utils/bambu_networking.hpp

@@ -336,7 +336,6 @@ struct PrintParams {
     bool            try_emmc_print;
     std::string     svc_context;
     std::string     slicer_uid;
-    std::string     queue_plate_id;
 };
 
 struct TaskQueryParams
@@ -413,7 +412,7 @@ enum class NetworkAbi {
     Unsupported, // no generation in this build can call it - never dispatch through it
     Legacy,      // 01.10.01: PrintParams_Legacy; send_message/send_message_to_printer take no flag
     V0203,       // 02.03.00: PrintParams_0203; bind takes no dev_model
-    Current,     // 02.08.04: the layouts and signatures this build declares directly
+    Current,     // 02.08.01: the layouts and signatures this build declares directly
 };
 
 struct NetworkLibraryVersion {
@@ -426,12 +425,10 @@ struct NetworkLibraryVersion {
 };
 
 // Every row names the generation that can call it, so a series can never be offered without a
-// host-side ABI for it. Series with no generation - 02.08.01 (whose PrintParams lacks the
-// queue_plate_id that 02.08.02 appended, and whose malformed bind table macOS 27 refuses to
-// load), 02.01.01, 02.00.02 and older - must stay out; is_supported_network_version() is the
-// gate that keeps them from loading.
+// host-side ABI for it. Series with no generation - 02.01.01, 02.00.02 and older - must stay out;
+// is_supported_network_version() is the gate that keeps them from loading.
 static const NetworkLibraryVersion AVAILABLE_NETWORK_VERSIONS[] = {
-    {"02.08.04", "02.08.04", nullptr, true, nullptr, NetworkAbi::Current},
+    {"02.08.01", "02.08.01", nullptr, true, nullptr, NetworkAbi::Current},
     {"02.03.00", "02.03.00", nullptr, false,
      "An older plug-in series. Features that need newer plug-in support, such as print-failure "
      "snapshots in the device error dialog, are unavailable.", NetworkAbi::V0203},

tests/fff_print/test_gcodeprocessor.cpp

@@ -1,15 +1,20 @@
 #include <catch2/catch_all.hpp>
 
+#include <catch2/catch_message.hpp>
 #include <catch2/catch_test_macros.hpp>
 #include <catch2/generators/catch_generators.hpp>
 #include <catch2/matchers/catch_matchers.hpp>
 #include <catch2/matchers/catch_matchers_floating_point.hpp>
 #include "libslic3r/libslic3r.h"
+#include "libslic3r/Config.hpp"
 #include "libslic3r/GCode/GCodeProcessor.hpp"
+#include "libslic3r/Model.hpp"
 #include "libslic3r/Utils.hpp"
 
+#include "test_helpers.hpp"
 #include "test_utils.hpp"
 
+#include <algorithm>
 #include <cstddef>
 #include <fstream>
 #include "libslic3r/PrintConfig.hpp"
@@ -177,3 +182,42 @@ TEST_CASE("A seam takes the actual speed of the move it follows", "[GCodeProcess
         }
     REQUIRE(seams > 0);
 }
+
+TEST_CASE("Line ends of the exported G-code mark every newline in the file", "[GCodeProcessor]")
+{
+    struct Case
+    {
+        const char* name;
+        bool        preheat_backtrace;
+        bool        pre_heating;
+    };
+    const auto test_case = GENERATE(values<Case>({
+        { "written by size", false, false },
+        { "written by time for the preheat backtrace", true, false },
+        { "rewritten by the pre-heating pass", false, true },
+    }));
+    INFO(test_case.name);
+    DynamicPrintConfig config = Test::multifilament_config(2, {
+        { "single_extruder_multi_material", 0 },
+        { "ooze_prevention",                test_case.preheat_backtrace },
+        { "preheat_time",                   30 },
+        { "enable_pre_heating",             test_case.pre_heating },
+    });
+    Print print;
+    Model model;
+    const std::vector<std::vector<ConfigBase::SetDeserializeItem>> overrides{ { { "extruder", 1 } }, { { "extruder", 2 } } };
+    Test::init_print({ Test::cube(20), Test::cube(20) }, print, model, config, &overrides);
+    GCodeProcessorResult result;
+    const std::string    gcode = Test::gcode(print, &result);
+    REQUIRE((gcode.find("preheat T") != std::string::npos) == test_case.preheat_backtrace);
+    REQUIRE((gcode.find(GCodeProcessor::Machine_Start_GCode_End_Tag) != std::string::npos) == test_case.pre_heating);
+    REQUIRE(gcode.size() > GCodeProcessor::Output_Block_Size);
+
+    std::vector<size_t> newline_ends;
+    for (size_t i = gcode.find('\n'); i != std::string::npos; i = gcode.find('\n', i + 1))
+        newline_ends.push_back(i + 1);
+    REQUIRE(result.lines_ends.size() == newline_ends.size());
+    const auto difference = std::mismatch(result.lines_ends.begin(), result.lines_ends.end(), newline_ends.begin());
+    INFO("first difference at line " << difference.first - result.lines_ends.begin() + 1);
+    CHECK(difference.first == result.lines_ends.end());
+}

tests/fff_print/test_helpers.cpp

@@ -14,6 +14,7 @@
 #include <initializer_list>
 #include "libslic3r/Point.hpp"
 #include <fstream>
+#include <ios>
 #include <iterator>
 #include <set>
 #include <string>
@@ -330,13 +331,13 @@ void init_and_process_print(std::initializer_list<TriangleMesh> meshes, Slic3r::
 	print.process();
 }
 
-std::string gcode(Print & print)
+std::string gcode(Print & print, GCodeProcessorResult* result)
 {
     ScopedTemporaryFile temp(".gcode");
     print.set_status_silent();
     print.process();
-    print.export_gcode(temp.string(), nullptr, nullptr);
-    std::ifstream t(temp.string());
+    print.export_gcode(temp.string(), result, nullptr);
+    std::ifstream t(temp.string(), std::ios::binary);
 	std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
 	return str;
 }

tests/fff_print/test_helpers.hpp

@@ -17,7 +17,9 @@
 #include <unordered_map>
 #include <vector>
 
-namespace Slic3r { namespace Test {
+namespace Slic3r {
+struct GCodeProcessorResult;
+namespace Test {
 
 constexpr double MM_PER_MIN = 60.0;
 
@@ -92,8 +94,8 @@ void init_and_process_print(std::initializer_list<TriangleMesh> meshes, Slic3r::
 void init_and_process_print(std::initializer_list<TestMesh> meshes, Slic3r::Print &print, std::initializer_list<Slic3r::ConfigBase::SetDeserializeItem> config_items);
 void init_and_process_print(std::initializer_list<TriangleMesh> meshes, Slic3r::Print &print, std::initializer_list<Slic3r::ConfigBase::SetDeserializeItem> config_items);
 
-// Process `print` and return its exported G-code.
-std::string gcode(Print& print);
+// Process `print` and return its exported G-code, filling `result` when one is given.
+std::string gcode(Print& print, GCodeProcessorResult* result = nullptr);
 
 // Build, slice, and return the G-code for `meshes` under the given config.
 std::string slice(std::initializer_list<TestMesh> meshes, const DynamicPrintConfig &config);

tests/slic3rutils/test_dev_mapping.cpp

@@ -3,6 +3,8 @@
 // makes std::byte a competing candidate (otherwise the Windows COM headers pulled in via
 // DeviceManager.hpp error with an ambiguous `byte`). wx/timer.h must precede DeviceManager.hpp,
 // which includes DeviceErrorDialog.hpp (uses wxTimerEvent) before its own wx/timer.h include.
+#include <string>
+#include <utility>
 #ifdef WIN32
     #ifndef WIN32_LEAN_AND_MEAN
         #define WIN32_LEAN_AND_MEAN
@@ -17,6 +19,7 @@
 #include "slic3r/GUI/DeviceCore/DevDefs.h"
 #include "libslic3r/ProjectTask.hpp"
 #include <vector>
+#include <set>
 #include <catch2/catch_message.hpp>
 
 #include <catch2/catch_all.hpp>
@@ -65,6 +68,111 @@ TEST_CASE("AMS tray placeholder state follows the latest status", "[DevFilaSyste
     CHECK_FALSE(tray->is_slot_placeholder);
 }
 
+TEST_CASE("Agent filament slots preserve every extruder and AMS binding", "[DevFilaSystem]")
+{
+    MachineObject obj(nullptr, nullptr, "test", "test_dev", "127.0.0.1");
+
+    const json filament = json::parse(R"({
+        "units": [
+            { "id": "0", "extruder": 0, "slots": [
+                { "index": 0, "loaded": true, "material": "PLA", "color": "FF5733FF" },
+                { "index": 1, "loaded": true, "material": "PLA", "color": "33C1FFFF" },
+                { "index": 2, "loaded": true, "material": "PLA", "color": "8D33FFFF" },
+                { "index": 3, "loaded": false, "material": "",    "color": "00000000" }
+            ] },
+            { "id": "1", "extruder": 1, "slots": [
+                { "index": 0, "loaded": true, "material": "ASA", "color": "33C1FFFF" },
+                { "index": 1, "loaded": true, "material": "ASA", "color": "8D33FFFF" },
+                { "index": 2, "loaded": true, "material": "ASA", "color": "FF5733FF" },
+                { "index": 3, "loaded": false, "material": "",    "color": "00000000" }
+            ] },
+            { "id": "2", "extruder": 2, "slots": [
+                { "index": 0, "loaded": true, "material": "ABS", "color": "8D33FFFF" },
+                { "index": 1, "loaded": true, "material": "ABS", "color": "FF5733FF" },
+                { "index": 2, "loaded": true, "material": "ABS", "color": "33C1FFFF" },
+                { "index": 3, "loaded": false, "material": "",    "color": "00000000" }
+            ] },
+            { "id": "3", "extruder": 3, "slots": [
+                { "index": 0, "loaded": true, "material": "PETG", "color": "FF5733FF" },
+                { "index": 1, "loaded": true, "material": "PETG", "color": "33C1FFFF" },
+                { "index": 2, "loaded": true, "material": "PETG", "color": "8D33FFFF" },
+                { "index": 3, "loaded": false, "material": "",    "color": "00000000" }
+            ] }
+        ],
+        "external": [
+            { "extruder": 3, "loaded": true, "material": "PETG", "preset_id": "P3" },
+            { "extruder": 0, "loaded": true, "material": "PLA",  "preset_id": "P0" },
+            { "extruder": 2, "loaded": false, "material": "ABS", "preset_id": "P2" },
+            { "extruder": 1, "loaded": true, "material": "ASA",  "preset_id": "P1" }
+        ]
+    })");
+
+    DevFilaSystemParser::ParseAgentFilament(filament, &obj, obj.GetFilaSystem().get());
+
+    REQUIRE(obj.vt_slot.size() == 4);
+    CHECK(obj.vt_slot[0].id == "255");
+    CHECK(obj.vt_slot[1].id == "254");
+    CHECK(obj.vt_slot[2].id == "253");
+    CHECK(obj.vt_slot[3].id == "252");
+    CHECK(obj.vt_slot[0].setting_id == "P0");
+    CHECK(obj.vt_slot[1].setting_id == "P1");
+    CHECK(obj.vt_slot[2].setting_id == "P2");
+    CHECK(obj.vt_slot[3].setting_id == "P3");
+
+    REQUIRE(obj.GetFilaSystem()->GetAmsCount() == 4);
+    for (int extruder = 0; extruder < 4; ++extruder) {
+        const auto& ams = obj.GetFilaSystem()->GetAmsList().at(std::to_string(extruder));
+        CHECK(ams->GetExtruderId() == extruder);
+        CHECK(ams->GetBindedExtruderSet() == std::set<int>{extruder});
+        REQUIRE(ams->GetTrays().size() == 4);
+        CHECK(ams->GetTrays().at("0")->color != ams->GetTrays().at("1")->color);
+        CHECK(ams->GetTrays().at("1")->color != ams->GetTrays().at("2")->color);
+        CHECK_FALSE(ams->GetTrays().at("3")->is_exists);
+    }
+
+    CHECK(obj.contains_tray("253", "0"));
+    CHECK(obj.get_tray("253", "0").setting_id == "P2");
+    CHECK(obj.GetFilaSystem()->GetExtruderIdByAmsId("253") == 2);
+
+    const auto tray_index_map = obj.GetFilaSystem()->GetTrayIndexMap();
+    REQUIRE(tray_index_map.count(252) == 1);
+    CHECK(tray_index_map.at(252).first == 252);
+    CHECK(tray_index_map.at(252).second == 0);
+}
+
+TEST_CASE("Generic AMS tray index map uses cumulative lane counts", "[DevMapping]")
+{
+    MachineObject obj(nullptr, nullptr, "test", "test_dev", "127.0.0.1");
+
+    // A well-formed generic payload pairs "units" with "external". An empty external array resets
+    // vt_slot, clearing the default virtual tray (255) MachineObject's constructor seeds; otherwise
+    // that phantom external tray lands in GetTrayIndexMap and inflates the map size.
+    json filament = { {"units", json::array()}, {"external", json::array()} };
+    for (int ams_id = 0; ams_id < 2; ++ams_id) {
+        json unit = {
+            {"id", std::to_string(ams_id)},
+            {"extruder", ams_id},
+            {"slots", json::array()}
+        };
+        for (int slot_id = 0; slot_id < 5; ++slot_id)
+            unit["slots"].push_back({{"index", slot_id}, {"loaded", false}});
+        filament["units"].push_back(std::move(unit));
+    }
+
+    DevFilaSystemParser::ParseAgentFilament(filament, &obj, obj.GetFilaSystem().get());
+
+    const auto tray_index_map = obj.GetFilaSystem()->GetTrayIndexMap();
+    REQUIRE(tray_index_map.size() == 10);
+    CHECK(tray_index_map.at(0).first == 0);
+    CHECK(tray_index_map.at(0).second == 0);
+    CHECK(tray_index_map.at(4).first == 0);
+    CHECK(tray_index_map.at(4).second == 4);
+    CHECK(tray_index_map.at(5).first == 1);
+    CHECK(tray_index_map.at(5).second == 0);
+    CHECK(tray_index_map.at(9).first == 1);
+    CHECK(tray_index_map.at(9).second == 4);
+}
+
 TEST_CASE("Switch-bound AMS trays map to the left extruder", "[DevMapping]")
 {
     MachineObject obj(nullptr, nullptr, "test", "test_dev", "127.0.0.1");

tests/slic3rutils/test_network_versions.cpp

@@ -78,34 +78,31 @@ TEST_CASE("Series and managed classification", "[NetworkVersions]")
 
 TEST_CASE_METHOD(PluginFolderFixture, "Managed builds fold into the series; customs are surfaced", "[NetworkVersions]")
 {
-    add_plugin("02.08.04.60");          // managed, same series -> folded into the 02.08.04 row
+    add_plugin("02.08.01.55");          // managed, same series -> folded into the 02.08.01 row
     add_plugin("02.09.00.10");          // managed, unknown series -> not listed
-    add_plugin("02.08.01.55");          // managed, series this build no longer has an ABI for -> not listed
     add_plugin("02.03.00.62");          // managed, older whitelisted series -> folded into 02.03.00
     add_plugin("02.01.01.52");          // managed, series with no ABI in this build -> not listed
-    add_plugin("02.08.04_custom");      // custom, whitelisted series -> listed under it
-    add_plugin("02.08.04.52-dev");      // custom (dash-suffixed), whitelisted series -> listed
+    add_plugin("02.08.01_custom");      // custom, whitelisted series -> listed under it
+    add_plugin("02.08.01.52-dev");      // custom (dash-suffixed), whitelisted series -> listed
 
     auto versions = get_all_available_versions();
 
     // The specific managed build never gets its own row - the series represents it.
-    REQUIRE(count_version(versions, "02.08.04.60") == 0);
-    REQUIRE(count_version(versions, "02.08.04")    == 1);
-    REQUIRE(count_version(versions, "02.09.00.10") == 0);
     REQUIRE(count_version(versions, "02.08.01.55") == 0);
-    REQUIRE(count_version(versions, "02.08.01")    == 0);
+    REQUIRE(count_version(versions, "02.08.01")    == 1);
+    REQUIRE(count_version(versions, "02.09.00.10") == 0);
     REQUIRE(count_version(versions, "02.03.00.62") == 0);
     REQUIRE(count_version(versions, "02.03.00")    == 1);
     REQUIRE(count_version(versions, "02.01.01.52") == 0);
     // Custom-named builds are distinct files kept under their own name.
-    REQUIRE(count_version(versions, "02.08.04_custom")  == 1);
-    REQUIRE(count_version(versions, "02.08.04.52-dev")  == 1);
+    REQUIRE(count_version(versions, "02.08.01_custom")  == 1);
+    REQUIRE(count_version(versions, "02.08.01.52-dev")  == 1);
 
     // Newest series first, its customs nested under it (suffix sort: "" < ".52-dev" < "_custom"),
     // then older series, legacy last.
-    REQUIRE(versions[0].version == "02.08.04");
-    REQUIRE(versions[1].version == "02.08.04.52-dev");
-    REQUIRE(versions[2].version == "02.08.04_custom");
+    REQUIRE(versions[0].version == "02.08.01");
+    REQUIRE(versions[1].version == "02.08.01.52-dev");
+    REQUIRE(versions[2].version == "02.08.01_custom");
     REQUIRE(versions[3].version == "02.03.00");
     REQUIRE(versions.back().version == BAMBU_NETWORK_AGENT_VERSION_LEGACY);
 
@@ -114,9 +111,9 @@ TEST_CASE_METHOD(PluginFolderFixture, "Managed builds fold into the series; cust
     REQUIRE_FALSE(versions[3].is_latest);
 
     // Customs sort/render nested under their series (non-empty suffix, base = the series).
-    REQUIRE(versions[1].base_version == "02.08.04");
+    REQUIRE(versions[1].base_version == "02.08.01");
     REQUIRE_FALSE(versions[1].suffix.empty());
-    REQUIRE(versions[2].base_version == "02.08.04");
+    REQUIRE(versions[2].base_version == "02.08.01");
     REQUIRE_FALSE(versions[2].suffix.empty());
 
     // "(Latest)" is the series row, never a nested custom build.
@@ -126,20 +123,20 @@ TEST_CASE_METHOD(PluginFolderFixture, "Managed builds fold into the series; cust
     REQUIRE_FALSE(versions[2].is_latest);
 
     // The stored default that drives download and update-check decisions is now the series.
-    REQUIRE(std::string(get_latest_network_version()) == "02.08.04");
+    REQUIRE(std::string(get_latest_network_version()) == "02.08.01");
 }
 
 TEST_CASE_METHOD(PluginFolderFixture, "Only the loaded series is marked installed", "[NetworkVersions]")
 {
-    add_plugin("02.08.04.60");
-    add_plugin("02.08.04_custom");
+    add_plugin("02.08.01.55");
+    add_plugin("02.08.01_custom");
 
-    // The loaded plug-in reports its full build (02.08.04.60); the series row is what gets marked.
+    // The loaded plug-in reports its full build (02.08.01.55); the series row is what gets marked.
     {
-        auto versions = get_all_available_versions("02.08.04.60");
+        auto versions = get_all_available_versions("02.08.01.55");
         int marked = 0;
         for (const auto& info : versions)
-            if (info.is_loaded) { ++marked; REQUIRE(info.version == "02.08.04"); }
+            if (info.is_loaded) { ++marked; REQUIRE(info.version == "02.08.01"); }
         REQUIRE(marked == 1);
     }
 
@@ -155,10 +152,10 @@ TEST_CASE_METHOD(PluginFolderFixture, "Only the loaded series is marked installe
 
     // A loaded custom build matches its own row, never the bare series.
     {
-        auto versions = get_all_available_versions("02.08.04_custom");
+        auto versions = get_all_available_versions("02.08.01_custom");
         int marked = 0;
         for (const auto& info : versions)
-            if (info.is_loaded) { ++marked; REQUIRE(info.version == "02.08.04_custom"); }
+            if (info.is_loaded) { ++marked; REQUIRE(info.version == "02.08.01_custom"); }
         REQUIRE(marked == 1);
     }
 
@@ -170,11 +167,11 @@ TEST_CASE_METHOD(PluginFolderFixture, "Only the loaded series is marked installe
 TEST_CASE("Only whitelisted series pass the load gate", "[NetworkVersions]")
 {
     // Each whitelisted series, its builds, and custom-named builds of that series.
-    REQUIRE(is_supported_network_version("02.08.04"));
-    REQUIRE(is_supported_network_version("02.08.04.52"));
-    REQUIRE(is_supported_network_version("02.08.04.60"));
-    REQUIRE(is_supported_network_version("02.08.04_custom"));
-    REQUIRE(is_supported_network_version("02.08.04.52-dev"));
+    REQUIRE(is_supported_network_version("02.08.01"));
+    REQUIRE(is_supported_network_version("02.08.01.52"));
+    REQUIRE(is_supported_network_version("02.08.01.55"));
+    REQUIRE(is_supported_network_version("02.08.01_custom"));
+    REQUIRE(is_supported_network_version("02.08.01.52-dev"));
     REQUIRE(is_supported_network_version("02.03.00"));
     REQUIRE(is_supported_network_version("02.03.00.62"));
     REQUIRE(is_supported_network_version("02.03.00.70"));
@@ -182,9 +179,6 @@ TEST_CASE("Only whitelisted series pass the load gate", "[NetworkVersions]")
     REQUIRE(is_supported_network_version(BAMBU_NETWORK_AGENT_VERSION_LEGACY));
 
     // Series whitelisted by previous Orca releases that no generation here can call.
-    REQUIRE_FALSE(is_supported_network_version("02.08.01"));
-    REQUIRE_FALSE(is_supported_network_version("02.08.01.55"));
-    REQUIRE_FALSE(is_supported_network_version("02.08.01_custom"));
     REQUIRE_FALSE(is_supported_network_version("02.01.01.52"));
     REQUIRE_FALSE(is_supported_network_version("02.00.02.50"));
 
@@ -204,9 +198,9 @@ TEST_CASE("Each version resolves to the ABI generation that can call it", "[Netw
 {
     // The generation is keyed on the series, so every build of a series - including the
     // custom-named ones - resolves to the same one.
-    CHECK(network_plugin_abi("02.08.04")        == NetworkAbi::Current);
-    CHECK(network_plugin_abi("02.08.04.60")     == NetworkAbi::Current);
-    CHECK(network_plugin_abi("02.08.04.52-dev") == NetworkAbi::Current);
+    CHECK(network_plugin_abi("02.08.01")        == NetworkAbi::Current);
+    CHECK(network_plugin_abi("02.08.01.55")     == NetworkAbi::Current);
+    CHECK(network_plugin_abi("02.08.01.52-dev") == NetworkAbi::Current);
     CHECK(network_plugin_abi("02.03.00")        == NetworkAbi::V0203);
     CHECK(network_plugin_abi("02.03.00.62")     == NetworkAbi::V0203);
     CHECK(network_plugin_abi("02.03.00_custom") == NetworkAbi::V0203);
@@ -214,7 +208,6 @@ TEST_CASE("Each version resolves to the ABI generation that can call it", "[Netw
 
     // Anything the load gate rejects must dispatch through nothing at all, rather than
     // defaulting to a layout it does not share.
-    CHECK(network_plugin_abi("02.08.01.55") == NetworkAbi::Unsupported);
     CHECK(network_plugin_abi("02.01.01.52") == NetworkAbi::Unsupported);
     CHECK(network_plugin_abi("02.00.02.50") == NetworkAbi::Unsupported);
     CHECK(network_plugin_abi("02.09.00.10") == NetworkAbi::Unsupported);
@@ -241,7 +234,7 @@ TEST_CASE_METHOD(PluginFolderFixture, "Legacy series never adopts discovered bui
     // With nothing else on disk, the series holds "(Latest)" even though its library is
     // not installed.
     for (const auto& info : versions) {
-        if (info.version == "02.08.04") {
+        if (info.version == "02.08.01") {
             REQUIRE(info.is_latest);
             REQUIRE_FALSE(info.is_loaded);
         }