Blender — Blender 4.5.6 LTS Maintenance Release !

Blender 4.5.6 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

• User count corruption by bpy.ops.object.make_single_user. (#149541)
• Bone in-between slider is drawn on top of the header. (#147705)
• Grease Pencil: Crash when pasting strokes when the object has no materials. (#149837)
• VSE: Preview doesn’t update when editing "Frame Number" in Speed Control. (#149765)
• Sculpt Mode Crash With Grab 2D Brush While "Grab Active Vertex" Enabled. (#149795)
• OSL Custom Camera Rendering has Memory Leak. (#145985)
• Default Values on Noise Modifier in the Graph Editor set to 0 instead of 1. (#149942)
• Graph Editor goes blank if Preview Range and Normalize are enabled. (#150036)
• Remesh converts vertex groups to regular attributes. (#150016)
• Curve sculpt mode: Pressing shift to temporarily switch to the Smooth brush doesn't work. (#149437)
• Crash in vertex paint after redoing. (#150014)
• Reference Sheres are offset to the bottom and cropped, when tool header and 3d view header are flipped to the bottom. (#149843)
• Crash redoing sculpt move. (#150257)
• Fix: glTF exporter: Fix lamp temperature convertion. ((https://projects.blender.org/blender/blender/commit/d985b2e6ecc))
• Compositor: AOV causes viewport to stop updating. (#150019)
• Fix: glTF exporter: Fix exporting not normalized lamp. (3a970cff93d)
• Broken selection drawing for flat objects in ortho view. (#139555)
• Baking animation removes constraints from linked file. (#149724)
• Sculpt Pose brush Squash & Strech deformation sets mesh position to -nan(ind). (#130465)
• Action should not be re-used when it comes from linked file. (#150289)
• NlaStrip creation doesn't respect name parameter. (#150408)
• copying on the steam version of blender crashes steam and then blender when you try to re open it. (#150414)
• Face Selection doesn't work properly when mesh is displayed as wire in Solid mode - Vulkan AMD GPU. (#150336)
• Fix: Make script_pyapi_bpy_driver_secure_eval pass with python >3.11. (56f74eb24f4)
• Image data-block can not load images on EEVEE (but works in Cycles). (#149039)
• Grease Pencil draw on to the surface issue. (#141896)
• Undoing brushstrokes in texture paint doesn't visually happen until viewport camera is moved (in Viewport). (#150957)
• Blender crashes on launch, ERROR (17): SharedMemory : handle_: File exists. (#146596)
• [Cycles Multi GPU + OSL] Normal mapping causes crash. (#150441)
• Grease pencil: Lineart not working at all. (#149217)
• LineArt modifier: Simplify > Sample mode crashes blender (segmentation fault). (#149567)
• Blender 5.0 crash when rendering with GPU compositor and compositing tree. (#151033)
• USD Imports with duplicate blend shape names inside the same skeleton root prim crash. (#148569)
• CompositorNodeKeyingScreen. (#151572)
• Geometry Nodes: wrong baked cache frame range when using packed bakes. (#151676)
• Asset Browser operators resets Pose Asset preview. (#151760)
• Blender breackdowner only affects active rig with 2 rigs linked. (#150364)
• Crash when copying Workspace. (#151744)
• Core: Fix (unreported) issue in Main merge code with linked data. ((https://projects.blender.org/blender/blender/commit/dce5f7904ae))
• Compositor: Denoising EXR sequences accumulates memory with each frame. (#151940)
• crash when importing asset. (#152215)
• Crashing when trying to use Pose brush. (#152292)
• Asset browser screenshot preview is incorrect while in camera view. (#145599)
• Viewport render region (can be enabled with Ctrl+B) is broken in blender 5.0 when using Eevee with the walk navigation and fly nagivation modes. (#151586)
• UX Issue: Line art 'Depth Offset' is far too sensitive. (#152609)
• Fix: fix b-bone keying set property identifiers. ((https://projects.blender.org/blender/blender/commit/f1193a0bd67))
• Copy Driver to Selected does not overwrite existing driver. (#152624)
• Triangles to Quads "Compare Color Attributes" ignores float colors. (#152040)
• Fix: renaming pose bones via F2 does not refresh the Outliner. ((https://projects.blender.org/blender/blender/commit/ee9f1f4d528))
• Normals become broken after Separate By Material operation. (#151083)
• Geometry Nodes, Python: Linear Arrow Gizmo crashes Blender when python modal operator finishes. (#151241)
• Activating a camera from the Outliner "Blender File" view clears the scene camera. (#151425)
• Grease Pencil: Crash when weightpainting after Convert to GP from Mesh due to no vertex group selected. (#151841)
• Lattice UVW input Glitch. (#71397)
• Outliner: Moving collections reorders or deletes them unexpectedly. (#150676)
• Hair Curves: Can't select curves additively with the Select Brush. (#152228)
• LTS: Video editor crash with 1055 png sequence. (#152099)
• Regression: Copy Global Transform fails when using Available keying set. (#152216)
• Texture Paint is NOT SHOWING selected faces, but shows EVERYTHING. (#144035)
• Walk navigation causes EEVEE camera view to render incorrectly. (#153033)

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