Blender 4.2.1 LTS Maintenance Release !

Blender 4.2.1 LTS features important bug fixes. It is released on the v4.2 - 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 v4.2 - Stable - LTS.

[h3]Patch Notes[/h3]

• Build: add missing ROCm installation step. (bf738fd35afe7fa2c79c24ac44f6ea97dc3ac8d7)
  
• Anim: layered Action data is still loaded in 4.2-release. (#125063)
  
• Extra Mesh Objects - Operator Presets -
• Missing Paths
• . (#124020)
  
• Geometry Nodes: Crashing when I input the value node into the length on the resample curve node. (#124431)
  
• Transparent 3D viewport issue. (#102994)
  
• Fix: Dyntopo sample detail doesn't update status text. (5bf1be8f51c)
  
• Fix: Nodes: crash in case of dissolving node after save. (c3268834d79)
  
• Regression: Some nodes has wider spacing between sockets. (#124637)
  
• Geometry Nodes: cache related nodes are not present in quick plug search. (#124625)
  
• OptiX OSL uses incorrect SSS render method. (#124705)
  
• VSE: Fix glitchy handle select for adjacent strips. (4f6a5f963cb)
  
• Incorrect snap symbol. (#124552)
  
• Voronoi Texture Smoothness Socket Input also is used as Lacunarity in Smooth F1. (#124745)
  
• No transfer of the "Cast Shadow" attribute for light. (#124817)
  
• VSE - Frame Selected ( Numpad . ) doesnt work anymore. (#124868)
  
• VSE: Reword the text of the movie add "use_framerate" option. (7033d9bcf2a)
  
• Blender 4.2: Can't install add-ons if a specific order of operations is followed on first open. (#124850)
  
• Linux Wayland: Repeatedly opening and closing a Blender window freezes Blender. (#123096)
  
• Fix: EEVEE materials with three closures render black on MacOS. (1f12bd3c492)
  
• DOF eyedropper button not showing in Cycles and inconsistent text labels. (#124501)
  
• Crash droping images in view3d ui regions. (#124931)
  
• VSE: Meta/scene strips are drawn with a gap to strip start. (#124589)
  
• VSE misses strip auto-deselect with right click selection (Blender 2.7 x keymap). (#124623)
  
• VSE cache not updated for moved strips. (#124767)
  
• Palette editing not working in Color Attribute Paint Mode in Draw Mode. (#124990)
  
• Crash when using certain tools in viewport on Wayland. (#120465)
  
• Fix window activation on startup with Wayland & libdecor. (de1806f4154)
  
• Batch export of STL-files incorrect handling of .stl-suffix. (#120253)
  
• Extensions: double-warning upon launching Blender. (#124769)
  
• Manpage fails to generate. (#125202)
  
• Legacy Addons don't install in 4.2 if they're missing a LF or comment at the top. (#125142)
  
• Easing on Bendy Bones Resets Inconsistently. (#125023)
  
• Purge Unused crashes if mouse not moved away from popup before confirm delete with enter key. (#125006)
  
• Incorrect sampling with 180° Spot and Light tree activated. (#125168)
  
• Regression: The Mix RGB node produces unexpected results in the World Shader. (#125134)
  
• Extensions: Unable to parse manifest if version format "X.X" instead of "X.X.X". (#124885)
  
• Extensions: drag'n'drop installation from website for not yer approved extensions. (#125046)
  
• glTF exporter: avoid crash when animation + full collection hierarchy. (d3d22496bc2)
  
• glTF exporter: Fix row active UI and add tooltip. (ee3d935debe)
  
• glTF exporter: Fix UDIM export crash when not rectangular tile locations. (6c8510f0c0a)
  
• Export All Collections operator returns incorrect info message after running. (#125112)
  
• Regression: UV editor doesn't import images by drag and drop anymore. (#125319)
  
• Collada: animated camera import bug in 4.2. (#124859)
  
• VSE: Line between two strips draws as multiple pixels randomly although there is no gap. (#125061)
  
• VSE: Text strip outline wrongly goes "into" the text area (visible with semitransparent font color). (#125043)
  
• VSE : shadow of text strip don't shadow the outlines of text + naming issues. (#124922)
  
• Fix (unreported) 4.2: Copy of material ID fails. (449c4fc72e)
  
• Fix: Unable to duplicate mask keyframes. (c2c3ccb42fe)
  
• Asset shelf crash when opening a file. (#125466)
  
• Collada: animated camera import bug in 4.2. (#124859)
  
• UI: Add LTS to Version String for Title Bar (4.2). (7a16c7532c961d908f3339ab40b8d00e7d283943)
  
• Core extensions report bugs to add-on repo. (#122858)
  
• Extensions becomes empty when filtering addons in the workspace. (#122754)
  
• Fix failure to toggle filtering for add-ons with long names. (04d8595e55d)
  
• Memory leak when using GPencil Line Art modifier on certain frames. (#125340)
  
• VSE text outline is not fully rendered for some (mostly "script") fonts. (#124899)
  
• Graph Editor: Cursor Value to Selection can output position outside normalized range. (#125064)
  
• Fix: Tracking related RNA paths incomplete/wrong. (f49b57811e5)
  
• Regression: Tooltip missing from open URL preset operator. (#123735)
  
• Crash Converting FLOAT4X4 attribute from vertex to Face Corner. (#125404)
  
• Changes from 'source/blender/blenlib/intern/filereader_zstd.c' led to failure on s390x architecture. (#125395)
  
• Changes from 'source/blender/blenlib/intern/filereader_zstd.c' led to failure on s390x architecture. (#125395)
  
• Fix unhandled exception for non dictionary items in extensions repo. (778524fce37)
  
• Extensions: support "blocklist" in the remote repository. (0f24fd7756a)
  
• Extensions: Errors on the console about missing directories. (#125763)
  
• Multiple select snap mode not work in UV editer. (#123179)
  
• Fix broken EEVEE material shadow mode versioning. (451ee89c48a)
  
• Triangulate modifier (also Triangulate Faces operator) changed behavior with custom normals. (#124836)
  
• Video: Error in video decoding on either Linux or AVX512 CPU (ffmpeg alignment issue?). (#125446)
  
• Crash when add a file output node by draging in compositing workspace. (#125588)
  
• "Pin to Last" Fails to Maintain Modifier Order. (#125400)
  
• Compositor Convert Colorspace node crashing Blender 4.2 when viewing realtime compositor in rendered 3D viewport. (#125402)
  
• Alembic importer imports everything twice. (#125607)
  
• Active camera context issue. (#125636)
  
• Failure to connect to online repository on WIN32: [ASN1] nested asn1 error (_ssl.c:4035). (#125660)
  
• Anim: Rigify `limbs.spline_tentacle` doesn't generate correctly. (#125226)
  
• Alpha Clip still visible in material settings when using Cycles render engine. (#125387)
  
• PyAPI: include bpy.utils.extension_path_user in __all__. (623e196f67f)
  
• Failure to connect to online repository on WIN32: customized Python configuration. (#124731)
  
• Fix error where upgrading an extension always enabled it. (93be30b2172)
  
• Blender crashes when adding a working Geometry Node modifier to a specific object in Edit Mode. (#125672)
  
• Eevee 4.2 no longer exports Cryptomatte metadatas. (#125232)
  
• Can't move channels in Graph Editor except for Object Transforms. (#125509)
  
• Regression: Stick bone tail selection is not drawn. (#125542)
  
• Weight Paint Not Appearing in Material Preview viewport shading. (#125185)
  
• Cycles: NaN pixels in Glossy and Transmissive Passes with roughness values near 0.0266. (#125750)
  
• Extensions: restore fix for removing extensions with symlinks. (fdbb8efa9d6)
  
• Fix error installing app-templates & legacy add-ons overwriting symlinks. (9c3ade79f27)
  
• Removing Addon with compiled modules(e.g. cython) on Windows will cause PermissionError: [WinError 5] Access is denied. (#77837)
  
• Regression: ACCESS VIOLATION for operators using class properties. (#123327)
  
• Blender 4.2 RC - Pasting a material onto itself consistently crashes the program. (#124702)
  
• EEVEE-Next: Volume does not immediately work after opening Blender. (#122454)
  
• Fix: EEVEE: Invalid error in console from material preview. (ee025327a55)
  
• Extensions: use wait cursor when toggling add-ons. (d255681e9c3)
  
• Crash switching Alembic file to use Render Engine Procedural. (#125826)
  
• Long Key Line and Interpolation Line turn invisible when only single keyframe visible in viewing range. (#125861)
  
• Select in Edit Mode from Material slots with same Material broken. (#125353)
  
• Blender crashes when undoing during sculpting on duplicate object. (#125375)
  
• Templates: Remove bl_info from addon_add_object. (2be74423324)
  
• Templates: Blender Manifest template. (2d2ebead32e)
  
• Eevee Next missing render frame progress in stdout. (#124876)
  
• Fix: Cycles Shadow linking with HIP-RT. (011b5ffbba4ac7a830bc6ec6a43fb8af408ec71f)
  
• Edit Face Set on default mesh changes mesh color. (#125621)
  
• Box mask crashes Blender in sculpt mode. (#125157)
  
• Crash: Sculpting on linked objects with Multeresolution. (#126017)
  
• Crash: Display wireframe in object mode on subdivided mesh with a lone edge. (#124292)
  
• x86 Blender on Apple Silicon doesn't show Cycles Metal GPU render. (#126005)
  
• Crash when EXR image is loaded in image list. (#126108)
  
• UI: Add LTS to Version String for Title Bar (4.2). (7a16c7532c961d908f3339ab40b8d00e7d283943)
  
• Insert text unicode not working in 4.2. (#125935)
  
• macOS: Armature text line rendering is broken. (#124691)
  
• Adding a compositor node while looking through the viewport realtime compositor leads to crashing. (#125946)
  
• Setting Vertices Y to 0 and sliding in grid node causes blender to crash. (#126101)
  
• Blender Crashes When Exporting USD with Allow Unicode Enabled and Using the Character "∧". (#126160)
  
• Fix: USD instancing export errors. (e40b2a16106f7f5b7caeb95b4cd07bb1dfa92028)
  
• 4.2 EEVEE Cryptomatte pass no longer matches Cycles. (#125618)
  
• Insert keyfame uses wrong values. (#124125)
  
• OpenGL: Remove conservative depth extension check. (#126223)
  
• Add Brush: Added spline always misses one segment equivalent of a length in Blender 4.2. (#125929)
  
• Regression: STL importer "Unit Scale" bug. (#125070)
  
• Joining some meshes shows warning "Call save() to ensure ..." in console. (#126278)
  
• Frames are layered on top of each other separated by a scanline when exporting video with PNG video codec. (#126201)
  
• Cleanup: move bpy.utils parent-path check into a function. (e0bd7709d56)
  
• Fix unhandled permissions exception in bpy.utils.is_path_builtin. (399ed8b6533)
  
• Presets: consider presets within the extensions repo to be "built-in". (de565889672)
  
• Fix active theme behavior when adding/removing themes. (3476864e92f)
  
• Regression: Environment pass is not rendered (or rendered black) with 4.2 EEVEE. (#124565)
  
• Geometry Nodes: Blender crash in create string socket in Capture Attribute node. (#125504)
  
• CMake: library path reference for PLATFORM_ENV_BUILD on unix & macos. (9b251d04e7e)
  
• CMake: library path reference for PLATFORM_ENV_BUILD unix/macos (#2). (2d05f61e6ba)
  
• VSE: prefetch frames crashes with some scene strips. (#125401)
  
• (Unneccessarily) restricted execution in scripted expression drivers (using e.g. "self", "bpy.data"). (#106372)
  
• Only insert needed generates empty action. (#125169)
  
• Cycles tests: Enable MNEE test on Metal on supported macOS version. (5c67f9469bc)
  
• Render test: Add option to ignore block list. (82a26b72a0f)
  
• Render tests: Use blocklist name for blocked tests. (5a255357434)
  
• CMake: Add buildbot configuration for all platforms. (e6b856bd8ba)
  
• Cycles render tests: Add the option to test with OSL enabled. (fc52a49be772e883e2db2de485fd4f8e5b0d97c3)
  
• Disabling / uninstalling extensions doesn't always remove the extension's dependencies. (#125958)
  
• Fix failure to remove libraries when removing wheels. (09e8e493654)
  
  

For a detailed list of bug fixes in each release, see 4.2 LTS releases on blender.org

[h3]LTS Program[/h3]

Learn more about the LTS program on blender.org

[h3]Stay up-to-date[/h3]

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Keep reporting any issues you find to make this LTS the most stable release ever !

Happy blending,
The Blender team