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Steam News17 March 20263mo ago

Blender 4.5.8 LTS Maintenance Release !

Blender 4.5.8 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 fixes1 addition0 changes0 removals
  • Performance
addedPatch NotesRegression: Sculpting: Shapekey Solo breaks undo steps. (#153226) * Crash when quickly scrolling objects with modifier panels visible. (#154087) * Assertion Failure: Moving Keyframe in Graph Editor beyond enum range. (#82669) * When picking a focus distance while it's keyed + auto keyframe on, it doesn't drop a keyframe automatically. (#154399) * Blender suddenly crashed when trying to join a rig into another a rig that is parented into another a rig. (#154651) * Lineart Modifier seemingly using free()'d/invalid triangle data. (#154632) * Fix: Correctly set new action user count to 0. (9663231430f) * Principled BDSF to Shader to RGB breaks when using both sheen and subsurface scattering. (#154962) * Odd lag with Grease Pencil Hook Modifier - dependency issue?. (#153137) * Error loading SGI image with 2 bytes per pixel, RLE (assertion, potential out of bounds read). (#155162) * Boundary brush symmetry bug. (#154678) * Paint: Linear Burn not supported. (#155207) * Assertion failure while closing Blender after rendering smoke simulation. (#155341) For a detailed list of bug fixes in each release, see 4.5 LTS releases on blender.org

Blender changes

addedRegression: Sculpting: Shapekey Solo breaks undo steps. (#153226) * Crash when quickly scrolling objects with modifier panels visible. (#154087) * Assertion Failure: Moving Keyframe in Graph Editor beyond enum range. (#82669) * When picking a focus distance while it's keyed + auto keyframe on, it doesn't drop a keyframe automatically. (#154399) * Blender suddenly crashed when trying to join a rig into another a rig that is parented into another a rig. (#154651) * Lineart Modifier seemingly using free()'d/invalid triangle data. (#154632) * Fix: Correctly set new action user count to 0. (9663231430f) * Principled BDSF to Shader to RGB breaks when using both sheen and subsurface scattering. (#154962) * Odd lag with Grease Pencil Hook Modifier - dependency issue?. (#153137) * Error loading SGI image with 2 bytes per pixel, RLE (assertion, potential out of bounds read). (#155162) * Boundary brush symmetry bug. (#154678) * Paint: Linear Burn not supported. (#155207) * Assertion failure while closing Blender after rendering smoke simulation. (#155341) For a detailed list of bug fixes in each release, see 4.5 LTS releases on blender.org

Blender 4.5.8 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

  • RegressionSculpting: Shapekey Solo breaks undo steps. (#153226) * Crash when quickly scrolling objects with modifier panels visible. (#154087) * Assertion Failure: Moving Keyframe in Graph Editor beyond enum range. (#82669) * When picking a focus distance while it's keyed + auto keyframe on, it doesn't drop a keyframe automatically. (#154399) * Blender suddenly crashed when trying to join a rig into another a rig that is parented into another a rig. (#154651) * Lineart Modifier seemingly using free()'d/invalid triangle data. (#154632) * Fix: Correctly set new action user count to 0. (9663231430f) * Principled BDSF to Shader to RGB breaks when using both sheen and subsurface scattering. (#154962) * Odd lag with Grease Pencil Hook Modifier - dependency issue?. (#153137) * Error loading SGI image with 2 bytes per pixel, RLE (assertion, potential out of bounds read). (#155162) * Boundary brush symmetry bug. (#154678) * Paint: Linear Burn not supported. (#155207) * Assertion failure while closing Blender after rendering smoke simulation. (#155341) 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 / 17 March 2026

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