From 7f67946dbf4eb74283e22ad8bb4e29607bce5412 Mon Sep 17 00:00:00 2001
From: Noisyfox <timemanager.rick@gmail.com>
Date: Tue, 7 Jul 2026 22:02:10 +0800
Subject: [PATCH] Fix incorrect length modification when loading device-related
 parameters

(cherry picked from commit bambulab/BambuStudio@ebf57372da54e7515d3a469b0dbe468ff16e9aed)

Co-Authored-By: weizhen.xie <weizhen.xie@bambulab.com>
---
 src/libslic3r/Preset.cpp      |  2 ++
 src/libslic3r/PrintConfig.cpp | 11 +++++++++++
 src/libslic3r/PrintConfig.hpp |  2 ++
 3 files changed, 15 insertions(+)

diff --git a/src/libslic3r/Preset.cpp b/src/libslic3r/Preset.cpp
index dbdd48a0df..077814130d 100644
--- a/src/libslic3r/Preset.cpp
+++ b/src/libslic3r/Preset.cpp
@@ -470,6 +470,8 @@ void Preset::normalize(DynamicPrintConfig &config)
                 continue;
             if (filament_options_with_variant.find(key) != filament_options_with_variant.end())
                 continue;
+            if (filament_dev_options.find(key) != filament_dev_options.end())
+                continue;
             auto *opt = config.option(key, false);
             /*assert(opt != nullptr);
             assert(opt->is_vector());*/
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index c053b3f8fa..7c116dce3e 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -8538,6 +8538,17 @@ std::set<std::string> printer_options_with_variant_2 = {
 
 std::set<std::string> empty_options;
 
+std::set<std::string> filament_dev_options = {
+    "filament_dev_ams_drying_ams_limitations",
+    "filament_dev_ams_drying_temperature",
+    "filament_dev_ams_drying_time",
+    "filament_dev_ams_drying_heat_distortion_temperature",
+    "filament_dev_chamber_drying_bed_temperature",
+    "filament_dev_chamber_drying_time",
+    "filament_dev_drying_softening_temperature",
+    "filament_dev_drying_cooling_temperature"
+};
+
 DynamicPrintConfig DynamicPrintConfig::full_print_config()
 {
 	return DynamicPrintConfig((const PrintRegionConfig&)FullPrintConfig::defaults());
diff --git a/src/libslic3r/PrintConfig.hpp b/src/libslic3r/PrintConfig.hpp
index 2948f24417..6ea1f9db1c 100644
--- a/src/libslic3r/PrintConfig.hpp
+++ b/src/libslic3r/PrintConfig.hpp
@@ -698,6 +698,8 @@ extern std::set<std::string> printer_options_with_variant_1;
 extern std::set<std::string> printer_options_with_variant_2;
 extern std::set<std::string> empty_options;
 
+extern std::set<std::string> filament_dev_options;
+
 extern void compute_filament_override_value(const std::string& opt_key, const ConfigOption *opt_old_machine, const ConfigOption *opt_new_machine, const ConfigOption *opt_new_filament, const DynamicPrintConfig& new_full_config,
     t_config_option_keys& diff_keys, DynamicPrintConfig& filament_overrides, std::vector<int>& f_maps);