Blender 4.5.3

What's new in this version:

- [4.5 LTS] Fix memory leak when loading libraries fails from Python
- Fix: Grease Pencil: Smooth sculpt brush not working with handles and mask
- Add-on hotkey customizations are not saved for custom operators
- [4.5 LTS] Fix: frozen mathutils Vector & Matrix types could be resized
- Fix: UVSculpt brush size not converted correctly for 5.0 changes
- bpy.context.object.modifiers[“Lineart”].thickness no longer works in 4.5.2
- Grease pencil: Divide blend mode doesn’t work
- Fix: Vulkan: Submission runner crash on start
- Vulkan: NVIDIA driver 580.76.05 on Wayland freezes at startup
- When using the Vulkan backend, material compilation errors directly lead to Blender crashing
- Blender Light Probes do not create “mirrors” in 4.5 with Vulkan enabled
- Missing display update for unified strength icon
- Crash selecting the text on a linked duplicated text object
- 4.5 Crash with Cycles render w/ Persistent Data + fileview thumbnails sequence
- Fix: Workbench: Broken render tests after AA fix
- Fix: Workbench: Broken render tests after AA fix
- Cycles: Add ROCm 7 runtime to hipew search list
- Cycles: Add support for building with CUDA 13.0 and OptiX 9.0
- Vulkan: Weird pink shading with temporal accumlation turned off
- Crash switching camera from Camera View to Orthographic view in Material Preview mode
- EEVEE: Rendering is incorrect in walk mode with overscan enabled
- Fix #144599: Cycles OSL node with external script does not update
- Invalid text selection in the Python console
- Illegal Address in CUDA queu copy_from_device (integrator_shade surface_raytrace integrator_sorted_paths_arrays_prefix_sum)
- Cycles OptiX: When adjusting material properties that enables shader ray tracing, the material will momentarily render incorrectly
- Dynamic Paint: Bake Image Sequence crash
- OSL call for “geom:name” stopped working in Blender 4.5 LTS
- Crash when calling any node group from side properties panel
- Assert on `Add Texture Paint Slot`
- Crash when attempting to Unlink linked IDs from the Unused Data Outliner
- Dynamic Paint Crash switching displace factor from positive to negative – FYI New light project OK
- Blender crashes when snapping after aligning in edit mode
- Fix: EEVEE: Memory leak when drawing Volume objects
- Python: Modifying Workspaces via Python and ‘Reporting an Error’ Crashes Blender
- Cloth simulation presets only save some of the settings
- Force fields don’t work on a fire simulation with Flame Smoke 0
- Falling fluid simulation has odd behaviour
- Crash when scrubbing Scene Strip in Video Sequencer
- Fix: ACES 2.0 studio config sets image files to ACES2065-1 incorrectly
- crash when moving GP stroke
- UI freezes with lots of action slots (in the Outliner)
- Python: Improve `bpy.data.user_map()` argument documentation
- WORKBENCH with MATCAPS Rendering Issues in Blender 4.5 and 5.0 Alpha
- EEVEE: Freeze playing back a certain animation on macOS
- Assert fail in Limited Dissolve of flattened cone
- gpu.state.line_width_set() Does not work in vulkan
- split selection removes vertices
- Value Node not changeable in Properties Window
- Blender 4.5.2 LTS Clay strips brush – View plane acts like area plane
- NDOF/3D mouse: Pan Zoom is reversed in cardinal-orthographic views, in fly mode
- Crash when converting multiple objects to grease pencil with shared mesh data
- Crash when joining (Ctrl-J) two Grease Pencil objects in Blender 4.5.2 LTS
- Crash: 4.5.1 can’t open 5.0 file that contains Closure Zone
- Segmentation fault on grease_pencil_export_svg with frame_mode=’SELECTED’
- Crash in Viewport Render Animation when GDB is Attached
- Fix: incorrect handling of 3×3 matrices with RNA get/set callbacks
- The Greace pencil stroke copying bug
- Blender 4.5 unusual slow playback speed compare to B4.4 In large scale geometry nodes
- Compositor Cyclic links warning doesn’t disappear
- Copy Global Transforms: SKIP_SAVE on paste
- FBX: new 4.5 importer places (instanced?) objects from Navisworks FBX file at origin
- Asset shelf breaks when changing preview size
- Anim: fix crash when loading F-Curve with unknown modifier
- Fix: viewer shortcut description mentions compositor only
- 4.5.3 regression – bpy behavior change on evaluated mesh with SK
- .glb file importing problem
- Python API: GPU module compute shader local group size defaults to -1 instead of 1 on Vulkan/OpenGL
- Blender Crashes With Curve Pen Tool While Using With Nurbs Curve
- Build: resolve linking error on *BSD systems
- [Zh_CN] Driver auto-variable name “变量”causes Python error
- FBX: new importer does not import textures from some files
- Movie distortion node is more pixelated using the Auto GPU compositor
- Cryptomatte shows numeric value instead of picked asset name
- Crash on separating hair curves object
- Can’t use Intel Arc A770 GPU in Blender 4.5.2 LTS despite having the latest packages installed
- Captured attribute not propagated to Set Mesh Normal
- Fix: MaterialX export can end up with duplicate node names
- VSE – dragging on an image sequence no longer updates the Frame number in the Preview overlay
- USDZ in Blender 4.3.0: textures missing on FBX -> USDZ export (new export_textures_mode)
- Fix: 3D text line end misses last character
- Undo history Unknown Action

- [4.5 LTS] Fix memory leak when loading libraries fails from Python
- Fix: Grease Pencil: Smooth sculpt brush not working with handles and mask
- Add-on hotkey customizations are not saved for custom operators
- [4.5 LTS] Fix: frozen mathutils Vector & Matrix types could be resized
- Fix: UVSculpt brush size not converted correctly for 5.0 changes
- bpy.context.object.modifiers[“Lineart”].thickness no longer works in 4.5.2
- Grease pencil: Divide blend mode doesn’t work
- Fix: Vulkan: Submission runner crash on start
- Vulkan: NVIDIA driver 580.76.05 on Wayland freezes at startup
- When using the Vulkan backend, material compilation errors directly lead to Blender crashing
- Blender Light Probes do not create “mirrors” in 4.5 with Vulkan enabled
- Missing display update for unified strength icon
- Crash selecting the text on a linked duplicated text object
- 4.5 Crash with Cycles render w/ Persistent Data + fileview thumbnails sequence
- Fix: Workbench: Broken render tests after AA fix
- Fix: Workbench: Broken render tests after AA fix
- Cycles: Add ROCm 7 runtime to hipew search list
- Cycles: Add support for building with CUDA 13.0 and OptiX 9.0
- Vulkan: Weird pink shading with temporal accumlation turned off
- Crash switching camera from Camera View to Orthographic view in Material Preview mode
- EEVEE: Rendering is incorrect in walk mode with overscan enabled
- Fix #144599: Cycles OSL node with external script does not update
- Invalid text selection in the Python console
- Illegal Address in CUDA queu copy_from_device (integrator_shade surface_raytrace integrator_sorted_paths_arrays_prefix_sum)
- Cycles OptiX: When adjusting material properties that enables shader ray tracing, the material will momentarily render incorrectly
- Dynamic Paint: Bake Image Sequence crash
- OSL call for “geom:name” stopped working in Blender 4.5 LTS
- Crash when calling any node group from side properties panel
- Assert on `Add Texture Paint Slot`
- Crash when attempting to Unlink linked IDs from the Unused Data Outliner
- Dynamic Paint Crash switching displace factor from positive to negative – FYI New light project OK
- Blender crashes when snapping after aligning in edit mode
- Fix: EEVEE: Memory leak when drawing Volume objects
- Python: Modifying Workspaces via Python and ‘Reporting an Error’ Crashes Blender
- Cloth simulation presets only save some of the settings
- Force fields don’t work on a fire simulation with Flame Smoke 0
- Falling fluid simulation has odd behaviour
- Crash when scrubbing Scene Strip in Video Sequencer
- Fix: ACES 2.0 studio config sets image files to ACES2065-1 incorrectly
- crash when moving GP stroke
- UI freezes with lots of action slots (in the Outliner)
- Python: Improve `bpy.data.user_map()` argument documentation
- WORKBENCH with MATCAPS Rendering Issues in Blender 4.5 and 5.0 Alpha
- EEVEE: Freeze playing back a certain animation on macOS
- Assert fail in Limited Dissolve of flattened cone
- gpu.state.line_width_set() Does not work in vulkan
- split selection removes vertices
- Value Node not changeable in Properties Window
- Blender 4.5.2 LTS Clay strips brush – View plane acts like area plane
- NDOF/3D mouse: Pan Zoom is reversed in cardinal-orthographic views, in fly mode
- Crash when converting multiple objects to grease pencil with shared mesh data
- Crash when joining (Ctrl-J) two Grease Pencil objects in Blender 4.5.2 LTS
- Crash: 4.5.1 can’t open 5.0 file that contains Closure Zone
- Segmentation fault on grease_pencil_export_svg with frame_mode=’SELECTED’
- Crash in Viewport Render Animation when GDB is Attached
- Fix: incorrect handling of 3×3 matrices with RNA get/set callbacks
- The Greace pencil stroke copying bug
- Blender 4.5 unusual slow playback speed compare to B4.4 In large scale geometry nodes
- Compositor Cyclic links warning doesn’t disappear
- Copy Global Transforms: SKIP_SAVE on paste
- FBX: new 4.5 importer places (instanced?) objects from Navisworks FBX file at origin
- Asset shelf breaks when changing preview size
- Anim: fix crash when loading F-Curve with unknown modifier
- Fix: viewer shortcut description mentions compositor only
- 4.5.3 regression – bpy behavior change on evaluated mesh with SK
- .glb file importing problem
- Python API: GPU module compute shader local group size defaults to -1 instead of 1 on Vulkan/OpenGL
- Blender Crashes With Curve Pen Tool While Using With Nurbs Curve
- Build: resolve linking error on *BSD systems
- [Zh_CN] Driver auto-variable name “变量”causes Python error
- FBX: new importer does not import textures from some files
- Movie distortion node is more pixelated using the Auto GPU compositor
- Cryptomatte shows numeric value instead of picked asset name
- Crash on separating hair curves object
- Can’t use Intel Arc A770 GPU in Blender 4.5.2 LTS despite having the latest packages installed
- Captured attribute not propagated to Set Mesh Normal
- Fix: MaterialX export can end up with duplicate node names
- VSE – dragging on an image sequence no longer updates the Frame number in the Preview overlay
- USDZ in Blender 4.3.0: textures missing on FBX -> USDZ export (new export_textures_mode)
- Fix: 3D text line end misses last character
- Undo history Unknown Action