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Steam News21 April 20262mo ago

Blender 4.5.9 LTS Maintenance Release !

Blender 4.5.9 LTS features important bug fixes. It is released on the v4.5 - Stable - LTS branch. You can switch to this by right-clicking on the Blender entry in your library, select Properties....

In this update3

Full notes

Full Blender update

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What changed

0 fixes0 additions0 changes1 removal
  • Performance
removedPatch NotesUsing multiple render layer nodes in GPU compositor fills up VRAM. (#155639) * Fix: FCurve Settings RNA paths broken. (007ec77047c) * Line Art modifier has incorrect boundary on ortographic camera sensor fit vertical. (#155591) * Editing custom prop of 'Temp' type in °C/F crashes Blender. (#155418) * Fix #154685: Grease Pencil: Noise modifier creates discontinuity. (#155370) * Quick Favorites: some quick favorites are not removable from the menu. (#155581) * Regression: Compositor: Stereo multilayered OpenEXR doesn't select the correct image. (#156200) * Compositor: Assert in vulkan code, when rendering compositor in backdrop view. (#152536) * LineArt: Make intersection lines follow face mark filtering. (fa17e7e6a42) * LineArt: Collection intersection flags and priority inheritance not working. (#156431) * Badly filled out Keying Set with Armature causes crash. (#156643) * Fix #154120: Offset setting does not affect surface placement. (#154157) * Normalize in graph editor no longer centers flat curves. (#156273) * Python error in *Quick Liquid* operator with *Shade Auto Smooth* (object_quick_effects.py). (#156134) * Fix: crash when loading file from within asset library. (45721454be3) * Fix: collection preview lost when writing via bpy.data.libraries.write(). (b2ac8f0e3d0) For a detailed list of bug fixes in each release, see 4.5 LTS releases on blender.org

Blender changes

removedUsing multiple render layer nodes in GPU compositor fills up VRAM. (#155639) * Fix: FCurve Settings RNA paths broken. (007ec77047c) * Line Art modifier has incorrect boundary on ortographic camera sensor fit vertical. (#155591) * Editing custom prop of 'Temp' type in °C/F crashes Blender. (#155418) * Fix #154685: Grease Pencil: Noise modifier creates discontinuity. (#155370) * Quick Favorites: some quick favorites are not removable from the menu. (#155581) * Regression: Compositor: Stereo multilayered OpenEXR doesn't select the correct image. (#156200) * Compositor: Assert in vulkan code, when rendering compositor in backdrop view. (#152536) * LineArt: Make intersection lines follow face mark filtering. (fa17e7e6a42) * LineArt: Collection intersection flags and priority inheritance not working. (#156431) * Badly filled out Keying Set with Armature causes crash. (#156643) * Fix #154120: Offset setting does not affect surface placement. (#154157) * Normalize in graph editor no longer centers flat curves. (#156273) * Python error in *Quick Liquid* operator with *Shade Auto Smooth* (object_quick_effects.py). (#156134) * Fix: crash when loading file from within asset library. (45721454be3) * Fix: collection preview lost when writing via bpy.data.libraries.write(). (b2ac8f0e3d0) For a detailed list of bug fixes in each release, see 4.5 LTS releases on blender.org

Blender 4.5.9 LTS features important bug fixes. It is released on the v4.5 - Stable - LTS branch. You can switch to this by right-clicking on the Blender entry in your library, select Properties.... Open the Betas tab and select v4.5 - Stable - Stable.

Patch Notes

  • Using multiple render layer nodes in GPU compositor fills up VRAM. (#155639) * Fix: FCurve Settings RNA paths broken. (007ec77047c) * Line Art modifier has incorrect boundary on ortographic camera sensor fit vertical. (#155591) * Editing custom prop of 'Temp' type in °C/F crashes Blender. (#155418) * Fix #154685: Grease Pencil: Noise modifier creates discontinuity. (#155370) * Quick Favorites: some quick favorites are not removable from the menu. (#155581) * Regression: Compositor: Stereo multilayered OpenEXR doesn't select the correct image. (#156200) * Compositor: Assert in vulkan code, when rendering compositor in backdrop view. (#152536) * LineArt: Make intersection lines follow face mark filtering. (fa17e7e6a42) * LineArt: Collection intersection flags and priority inheritance not working. (#156431) * Badly filled out Keying Set with Armature causes crash. (#156643) * Fix #154120: Offset setting does not affect surface placement. (#154157) * Normalize in graph editor no longer centers flat curves. (#156273) * Python error in *Quick Liquid* operator with *Shade Auto Smooth* (object_quick_effects.py). (#156134) * Fix: crash when loading file from within asset library. (45721454be3) * Fix: collection preview lost when writing via bpy.data.libraries.write(). (b2ac8f0e3d0) For a detailed list of bug fixes in each release, see 4.5 LTS releases on blender.org

LTS Program

Learn more about the LTS program on blender.org

Stay up-to-date

You can follow Blender on social media: Keep reporting any issues you find to make this LTS the most stable release ever ! Happy blending, The Blender team

Source

Steam News / 21 April 2026

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