Blender 4.5.8 LTS Maintenance Release !
Blender Patch Notes — March 17, 2026
Aggregated from Steam, cross-tracked with Battle.net coverage on GamePatchNote.
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
* Regression: 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
LTS Program
Learn more about the LTS program on blender.org
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Keep reporting any issues you find to make this LTS the most stable release ever !
Happy blending,
The Blender team