✨ อัปเดตล่าสุด: download/lts/ - สรุปดราม่าล่าสุด

Versions

Blender 4.5.14 LTSSeptember 15, 2026
Changelog

Release: Update license.md. [7d7ce3eeab]

Fix: BKE_image_walk_all_users static cast bugs. [c8151f8bfe6]
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Blender 4.5.13 LTSAugust 25, 2026
Changelog

Build: Update several dependencies for 4.5 LTS. [d2fa06a8a4]

Extensions tab not loading (SSL problem?). [#126358]

Switching from texture paint to particle edit mode by undo corrupts .blend file. [#161532]
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Blender 4.5.12 LTSJuly 21, 2026
Changelog

VSE: crash when prefetching frames for a scene strip with sequencer input which scene only contains a sound strip. [#160559]

Assert when undoing Make Single User with a linked mesh. [#161211]

Fix: crash in Armature Edit mode after duplicating animated bone. [e3d228ac409838aae79559866073e9fa19c2eb83]

Fix: Invalid ID name uniqueness code handling of ID name removal. [23131d9d2c40cc5cc9114aa49ec9fe087c0a12ee]

VSE, adding a crossfade between two strips does not set the crossfade inputs based on selection anymore. [#156207]
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Blender 4.5.11 LTSJune 23, 2026
Changelog

Anim: Backport Camera Marker Selection Logic Fix to 4.5. [ed347df1e170725c26ffcea574cead9c47e756cb]

Bug: Constraints Not Properly Cleared When Baking Bones on macOS. [#159842]

Fix: GL Compilation Subprocess file locking. [09e3fe90145]

Crash while joining strokes (backport request). [#159292]

Clicking in a cleared/uninitialized Video Sequencer Editor with specific keymap causes crash. [#160021]

Rigify: Converting rotation mode from Quaternion to Euler throws an error (fcurve.group is none, probably a missing check). [#159131]
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Blender 4.5.10 LTSMay 19, 2026
Changelog

Crash When Editing Mesh with Geometry Nodes and Armature. [#154739]

Vulkan: Black renders using NVIDIA driver 595.71. [#155371]

Vulkan affecting the shader result when mixing color and BSDFs. [#152150]
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Blender 4.5.9 LTSApril 21, 2026
Changelog

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]
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Blender 4.5.8 LTSMarch 17, 2026
Changelog

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]
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Blender 4.5.7 LTSFebruary 17, 2026
Changelog

Separate By Selection Issue. [#153227]

VSE: Adding Freeze Frame to either end of a video or image sequences crashed. [#147374]

VSE crashes when doing edits. [#146493]

VSE: Rendering a still preview while using proxies produces a broken image. [#150166]

crashing in sculpt mode, multires, Ctrl+Z. [#152087]

Blender instantly crashes when loading an incomplete exr file. [#152619]

Fix: restore accidentally changed default for ‘Allow Negative Frames’ pref. [b991f26937f913cb845617d3441ec7752f40ea95]

Crash on Redo in Sculpt Mode (Specific to Material Preview/Rendered Viewport). [#152005]

PyAPI: Potential loss of image due to unclear behaviour of `Image.pack()`. [#152638]

Outliner: Remap Users spawns multiple dialogs on top of each other. [#93814]

White artifacts when using Subsurface scattering in EEVEE (LTS 4.5.6). [#153373]

Compositor: Grouping a node with animation data (and removing sockets) leaves values without animation. [#148664]

Hard crash when jumping timeline with this grease pencil object. [#151908]

Dropping images into image editor fails. [#141496]

Very intermittent ‘Writing to ID classes in this context is not allowed’ when updating any property after rendering. [#114455]

Fix: UI: Instanced panels are drawn in incorrect tab. [6c7146532fc]

Freestyle: Crash in FRS_do_stroke_rendering when rendering during geometry updates (mesh batch cache race condition). [#151868]

Can’t drop asset from custom asset shelf if view scrolled. [#154248]

Bind Camera to Marker operator does not update all windows. [#152250]
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Blender 4.5.6 LTSJanuary 20, 2026
Changelog

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. [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]

[linux] 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]

[crash] 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. [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. [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. [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]
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Blender 4.5.5 LTSNovember 18, 2025
Changelog

Intel Arc OpenGL: Light probes don’t interpolate. [#141165]

Python template “ui_tool_simple.py” attempts to show property “mode” that doesn’t exist for “transform.translate”. [#148490]

Collections and the Timeline are sorted in 2 different ways. [#144460]

temp_data().images.load fails to handle relative paths. [#148683]

Fix (unreported) assert on unknown DNA struct `ViewLayerEngineData`. [57327d831d2]

VSE: keyframed strip not moving to keyed position. [#141190]

ShaderNodeCustomGroup crashes on display in Blender 4.4.0 and higher. [#148685]

bmesh.types.BMFace.calc_tangent_edge_pair() is broken since 4.3. [#148777]

Fix: error in wayland_dynload wl_display_dispatch_pending wrapper. [13522fd2945]

Fix #148338: Renaming a bone can rename channel in unassociated action. [#148477]

Crash entering new node group in compositor if a “Missing Data-Block” Node Group node is present. [#148750]

Fix #148478: Renaming bone can rename channels in all action slots. [#148845]

Empty Default Eraser Brush Causes Crash. [#148902]

Lineart Modifier – Match Output for Vertex Weight Transfer not working as expected. [#148736]

Adjust Pose Asset does not create undo step resulting in loss of work. [#148244]

GP: Edit mode change Opacity (Shift+F) is absent from the menus. [#147394]

Default Preset protection interacts with custom Presets, leading to them not being deletable. [#140719]

Missing Runtime Libraries if Blender is Built with `py`-Infix in Path. [#149070]

enum values are not correctly generated. [#141853]

Grease Pencil: Reproject Strokes is not working. [#146795]

nla.apply_scale() does not apply scale. [#143853]

Fix: OptiX denoiser showing up on devices without OptiX compatible GPUs. [e2af0be1aca]

Broken selection drawing for flat objects in ortho view. [#139555]

FBX export doesn’t preserve geometry order. [#146700]

Cloth Physics Simulation Crash on Free every time after opening project. [#149201]

Depsgraph doesn’t build relations for camera markers. [#149172]

Fix #148979: Grease Pencil: Reproject operator keep radius consistent. [#149241]

Compositor: Grouping a node with animation data (and removing sockets) leaves values without animation. [#148664]

Fix: Nodes: missing undo step when editing node socket items. [a4c16f57912]

Blender Crashes in Potrace library. [#148792]

Fix: Parent type not reset after ‘Clear and Keep Transforms’. [afc86559f59]

Fix: Error when connecting Boolean sockets to Material Output in Material Nodes. [#147808]

Fix: Python API: bpy.app.is_job_running(‘SHADER_COMPILATION’). [b1fafcf5603]
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Blender 4.5.4 LTSOctober 29, 2025
Changelog

Blender 4.5.3 fails to compile with OpenColorIO 2.5.0. [#147227]

OpenEXR: Support reading multipart files with full channel names. [138e8fbf1bd85a081682f6d44d8bd73e993560ff]

Render: Forward compatibility for Blender 5.0 pass renames. [738209b2bee5be0ac4946ab5511f1644f2ac3391]

Illegal address when rendering with a custom camera in 4.5. [#145544]

UV Editor: Lock Pinned Islands in UV packing not working with UDIMs. [#141293]

Armature Symmetrize not symmetrizing Display Type prop. [#145190]

Crash when Capture Screenshot Preview. [#145719]

Regression: 3D cursor misaligned with axes in certain viewport rotations. [#145028]

Crash when opening old file with undefined node. [#145675]

USD Import: Fails to respect path user preference. [#145856]

VSE: from 4.5 right click select doesn’t work with Blade Tool. [#145715]

Fix: VSE: Metastack channel preview with negative values. [f974c598f9a]

Crash on pasting VSE strip with driver. [#145629]

Fix: GPU: Avoid accessing GLContext after it is destroyed. [e8b7e144e04]

VRAM leak when Stereoscopy and motion blur are both enabled. [#145743]

Crash when switching view layer after undoing deleting/unlinking of certain object types. [#145848]

Fix #145932: Relax Face Set brush can corrupt mesh. [#145952]

Crash using playhead snapping in VSE in new scene. [#145890]

Blender 4.5 freezes with blank output colour management settings. [#146042]

Vulkan: Render Preview Error with Multiple 3D Viewports. [#145961]

Blender sometimes crashes when using resize detail button in dyntopo mode on a mesh with resolution higher than 500. [#146233]

Viewport Compositor: Render Layer input will not pass thru. [#146133]

4.2.5 LTS – 5.0.0 alpha: Crashing after using UV Sculpt Tools in New Scene. [#145879]

Rigify: Actions Feature does not use Slotted Actions. [#144641]

.glb file import error on Blender 4.5. [#142867]

OpenGL: Curve control points are extremely small when first displayed. [#146501]

Possible Relax vertices in UV crash (wrong uv_sculpt size, missing defaults). [#132016]

User interface artifacting with Vulkan on Qualcomm. [#145315]

Fix #147340: EEVEE: Crash on failed world material compilation. [#147445]

Grease Pencil: Hardness property doesn’t affect Square line type. [#147147]

Fix: Cycles: MetalRT motion curves setup bug. [#146568]

Can’t select verts/edges/faces behind wire/bounds objects while retopology overlay is on. [#145993]

Crash when exporting alembic with Color Attributes. [#146822]

Moving a empty material after joining objects crashes Blender (backport request). [#146878]

Node Wrangler: Add Principled Setup plugs bump textures into filter width. [#146679]

Fix: VSE: Propagate split to connected strips by default. [22d9b4ff719]

Fix: USD: Camera FStop of 0 means no depth of field. [47368daebe0]

Animation is not deleting when Bake Simulation was used. [#146105]

bpy.ops.object.geometry_node_bake_pack_single failing on Windows. [#147175]

Blender crashes when using the Align Bones operator across two armatures with different mirror settings. [#146242]

VSE: “Swap Data” breaks strip alignment, then crashes. [#146682]

Some keymap user preferences do not get imported into Blender 4.5 properly. [#146670]

Crash if Grab and Keep Moving Missing Linked Data Block. [#147283]

Weight painting can easily create NaN. [#146671]

Test for greying out linked images in texture painting is backwards. [#147568]

Crash after dragging any Asset Library Essential into the Compositor (Timings Overlay enabled, invokes the wrong tooltip). [#147752]

Fix #146724: Crash when deleting node group from outliner. [#147828]

Fix #147803: assert triggered on keyframe jump on NLA control curves. [#147957]

Crash deleting library from which the current scene is linked. [#147759]

Crash using Blade or Slip tool in VSE with new scene. [#145853]

Toggle Window Fullscreen, Timeline (4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4). [#146812]

Fix (unreported) Collada: missing `finish` call on some modified attribute. [84418a8d16a6846afae0e80cde25027f53fded56]

Sequencer: crash with sequencer in sequencer. [#147477]

Crash when dragging outliner object into status bar. [#144921]

anim_transforms_to_deltas resets non-keyframed object transforms values. [#147796]

Collection input is missing the picker on new node group. [#147860]

Unnecessary write operations on blender_assets.cats.txt. [#111576]

Blender freezes on saving/loading of blend files with complex liboverride trees. [#145894]

install_linux_packages: Fix for Fedora ≥ 41 (DNF5). [e32a8ec884e]

Grease Pencil: Stroke not visible for specific post processing values. [#147174]

Blender Timeline animation, SHIFT vs CTRL selection difference. [#147996]

Rigify doesn’t check existence of collection properly. [#148454]

Opening old 2012 .blend file crashes blender. [#148170]
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Blender 4.5.3 LTSSeptember 9, 2025
Changelog

[4.5 LTS] Fix memory leak when loading libraries fails from Python. [0056783a60d11e9eb20d5fbe73d4535989871b02]

Fix: Grease Pencil: Smooth sculpt brush not working with handles and mask. [b1b7360fc2543212c63b66be89536dacae38cce1]

Add-on hotkey customizations are not saved for custom operators. [#143838]

[4.5 LTS] Fix: frozen mathutils Vector & Matrix types could be resized. [3bb0b4864df761bb3d2db593eea8b5a9ffa797e8]

Fix: UVSculpt brush size not converted correctly for 5.0 changes. [f2c538ae863025869deb9bb3201a4a9bbb32ea56]

bpy.context.object.modifiers[“Lineart”].thickness no longer works in 4.5.2. [#145138]

Grease pencil: Divide blend mode doesn’t work. [#143802]

Fix: Vulkan: Submission runner crash on start. [baa7ba7cbee894d034a59b309923a444b1a1f52c]

Vulkan: NVIDIA driver 580.76.05 on Wayland freezes at startup. [#144625]

When using the Vulkan backend, material compilation errors directly lead to Blender crashing. [#144614]

Blender Light Probes do not create “mirrors” in 4.5 with Vulkan enabled. [#142110]

Missing display update for unified strength icon. [#144281]

Crash selecting the text on a linked duplicated text object. [#144970]

4.5 Crash with Cycles render w/ Persistent Data + fileview thumbnails sequence. [#143662]

Fix: Workbench: Broken render tests after AA fix. [df9239608bbc21f23b233c65b2eba6898ada9f18]

Fix: Workbench: Broken render tests after AA fix. [df9239608bbc21f23b233c65b2eba6898ada9f18]

Cycles: Add ROCm 7 runtime to hipew search list. [f6c709f30b23be4fa9618938c2bb3c052a74421d]

Cycles: Add support for building with CUDA 13.0 and OptiX 9.0. [6f6bf2b64d5c8cdec7fb5927fe41eca3818be8ce]

Vulkan: Weird pink shading with temporal accumlation turned off. [#144636]

Crash switching camera from Camera View to Orthographic view in Material Preview mode. [#143857]

EEVEE: Rendering is incorrect in walk mode with overscan enabled. [#144441]

Fix #144599: Cycles OSL node with external script does not update. [#144808]

Invalid text selection in the Python console. [#144858]

Illegal Address in CUDA queu copy_from_device (integrator_shade surface_raytrace integrator_sorted_paths_arrays_prefix_sum). [#143841]

Cycles OptiX: When adjusting material properties that enables shader ray tracing, the material will momentarily render incorrectly. [#144910]

Dynamic Paint: Bake Image Sequence crash. [#143958]

OSL call for “geom:name” stopped working in Blender 4.5 LTS. [#144814]

Crash when calling any node group from side properties panel. [#144621]

Assert on `Add Texture Paint Slot`. [#144175]

Crash when attempting to Unlink linked IDs from the Unused Data Outliner. [#144840]

Dynamic Paint Crash switching displace factor from positive to negative – FYI New light project OK. [#142137]

Blender crashes when snapping after aligning in edit mode. [#144916]

Fix: EEVEE: Memory leak when drawing Volume objects. [f6676240896]

Python: Modifying Workspaces via Python and ‘Reporting an Error’ Crashes Blender. [#144958]

Cloth simulation presets only save some of the settings. [#104074]

Force fields don’t work on a fire simulation with Flame Smoke 0. [#86512]

Falling fluid simulation has odd behaviour. [#144701]

Crash when scrubbing Scene Strip in Video Sequencer. [#144982]

Fix: ACES 2.0 studio config sets image files to ACES2065-1 incorrectly. [820afacf15f]

crash when moving GP stroke. [#143635]

UI freezes with lots of action slots (in the Outliner). [#143697]

Python: Improve `bpy.data.user_map()` argument documentation. [cc943ea8145]

WORKBENCH with MATCAPS Rendering Issues in Blender 4.5 and 5.0 Alpha. [#142738]

EEVEE: Freeze playing back a certain animation on macOS. [#142381]

Assert fail in Limited Dissolve of flattened cone. [#144383]

gpu.state.line_width_set() Does not work in vulkan. [#144700]

split selection removes vertices. [#145108]

Value Node not changeable in Properties Window. [#144760]

Blender 4.5.2 LTS Clay strips brush – View plane acts like area plane. [#145070]

NDOF/3D mouse: Pan Zoom is reversed in cardinal-orthographic views, in fly mode. [#144751]

Crash when converting multiple objects to grease pencil with shared mesh data. [#145287]

Crash when joining (Ctrl-J) two Grease Pencil objects in Blender 4.5.2 LTS. [#145297]

Crash: 4.5.1 can’t open 5.0 file that contains Closure Zone. [#144414]

Segmentation fault on grease_pencil_export_svg with frame_mode=’SELECTED’. [#145259]

Crash in Viewport Render Animation when GDB is Attached. [#145375]

Fix: incorrect handling of 3×3 matrices with RNA get/set callbacks. [c01b33593f1]

The Greace pencil stroke copying bug. [#145228]

Blender 4.5 unusual slow playback speed compare to B4.4 In large scale geometry nodes. [#145385]

Compositor Cyclic links warning doesn’t disappear. [#145403]

Copy Global Transforms: SKIP_SAVE on paste. [1459f185cb8]

FBX: new 4.5 importer places (instanced?) objects from Navisworks FBX file at origin. [#145116]

Asset shelf breaks when changing preview size. [#112936]

Anim: fix crash when loading F-Curve with unknown modifier. [5844ee62291]

Fix: viewer shortcut description mentions compositor only. [f5e6be7f398]

4.5.3 regression – bpy behavior change on evaluated mesh with SK. [#145340]

.glb file importing problem. [#144980]

Python API: GPU module compute shader local group size defaults to -1 instead of 1 on Vulkan/OpenGL. [#145818]

Blender Crashes With Curve Pen Tool While Using With Nurbs Curve. [#145560]

Build: resolve linking error on *BSD systems. [0648332ceba]

[Zh_CN] Driver auto-variable name “变量”causes Python error. [#145590]

FBX: new importer does not import textures from some files. [#145244]

Movie distortion node is more pixelated using the Auto GPU compositor. [#145439]

Cryptomatte shows numeric value instead of picked asset name. [#145498]

Crash on separating hair curves object. [#145666]

Can’t use Intel Arc A770 GPU in Blender 4.5.2 LTS despite having the latest packages installed. [#145449]

Captured attribute not propagated to Set Mesh Normal. [#145691]

Fix: MaterialX export can end up with duplicate node names. [5ba56b4c6da]

VSE – dragging on an image sequence no longer updates the Frame number in the Preview overlay. [#144332]

USDZ in Blender 4.3.0: textures missing on FBX -> USDZ export (new export_textures_mode). [#145711]

Fix: 3D text line end misses last character. [3b12157b928]

Undo history Unknown Action. [#144096]
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Blender 4.5.2 LTSAugust 20, 2025
Changelog

Cleanup `bpy` builds on PyPI and archive them on Download. [#146]

Vertex/Weight Paint Mask issues with subdivision. [#143317]

Regression: Shading Issue transforming a object with custom normals. [#142485]

Missnamed Built-In Shader. [#143485]

Asset browser capture screenshot preview does not capture Cycles rendered preview. [#141732]

USD: World uses wrong output node. [#143291]

Vertex Weight Proximity sets Normalize Weights checkbox to default state after options switch. [#143360]

UI: grey-out NDOF orbit center settings in “Fly mode”. [98596c9bccc]

Fix: Grease Pencil: Remove fill guide attribute in `remove_fill_guides`. [5c1e9125b91]

Tool gizmo disappears when resizing regions & areas. [#143629]

Pivot to Active Vertex in Mesh Sculpt mode not working. [#143630]

Fix: `SculptSession#last_active_vert` uses incorrect value. [fa3bebbbd6f]

`bpy.ops.grease_pencil.join_selection(type=’JOIN’)` makes existing strokes broken. [#142325]

Action editor with playhead snapping crash. [#143154]

macOS complains about being unable to use Vulkan if a user reuses Vulkan user preferences. [#143304]

[Clipping Region] Multi 3D Views & Alt+B enabled – click selection picks mesh outside region before target in mesh edit mode. [#142800]

Attribute node (Type: View Layer) is not updated during playback in EEVEE when nothing is animated. [#143323]

OpenGL: –debug-gpu doesn’t work in background mode. [#142620]

Field Nodes not outputing values from node groups. [#142202]

Old AMD Drivers: Crashes on startup (4.4.0 and above). [#143087]

Error “Selected faces required” When Using ‘K’ Knife Cut After Confirming Previous Cut with ‘Shift+K’ in Edit Mode. [#143439]

Hydra Storm: Error in console when rendering. [#143722]

Fix: Nodes: restore active node after copy-pasting nodes. [0a37bba5a99]

Dot dash modifier makes grease pencil disappear. [#143870]

Solidify Algorithm Behaves Strange/Different in 4.5. [#143789]

Vulkan: Assert when sliding vertex. [#143685]

Blender displays a crash popup when OSL camera references oso file that doesn’t exist. [#143907]

Fix: Cycles: Show correct minimum OptiX GPU driver in preferences. [c1c735dd5a0]

Repeated deletion & Ctrl+Z on a linked library may cause crash. [#143888]

Broken Normals when realizing Instances with Geometry Nodes that have an Object with WeightedNormal Modifier (and mirrored). [#143708]

Regression: Crash in Vertex & Weight Paint when applying deform modifier. [#143238]

Fix: Poll function for asset screenshot operator. [7a1ad217c69]

Intel Arc OpenGL: GPU compositor infill is inconsistent. [#141173]

Volume shader masked by shader with alpha blend transparency. [#143294]

NVIDIA Vulkan: Blender 4.5 crash on startup with MSI Afterburner/RivaTuner Statistic Server. [#141806]

Fix: VSE: Wrong context used when dropping audio files. [d648f124756]

Cryptomatte: Precision issues with matte output. [#143775]

Bevel & Join Geometry crash. [#143450]

Viewport: Blender crashes when entering sculpting mode. [#142093]

Problem with edit lines display on grease pencil object. [#143952]

4.5 LTS: Fix: armature “Auto-Name by Axis” creating invalid UTF8 names. [b670fad9cb33cb5c0b375826fc684312ab4a844b]

Cleanup: No longer require VSE Strip struct memory layout to never change [4.5]. [c4c612ba5337f19f2cbe7eb4854a2babdbce1e65]

Intel Windows OpenGL: Dilate node feather mode does not work. [#141436]

Curves in EDIT mode appear thinner than in OBJECT mode on HiDPi displays. [#141980]

Vertex Paint: Subtract blending mode is broken. [#143399]

Regression: Frustum culling is incorrect in Blender 4.5 with older AMD GPU drivers. [#143336]

Transparent background is not fully transparent in Workbench Render Engine. [#144040]

Curves Edit Mode: Redo duplicate move broken. [#143739]

Fix #144014: Driver for data.shape_keys path fails with GPU subdivision. [#144030]

Weight Painting Stroke Falloff Not Rounding. [#134160]

Sculpt: Repeatedly Remeshing causes out of memory crash. [#143257]

Nuked my C: drive accidentally using Blender. [#139585]

Assert browsing a non UTF8 render output path. [#143018]

Creating a face between two edges can result in a bow-tie quad. [#143905]

Running New Scene in an Empty file crashes blender. [#144086]

ASAN error when viewing collection in the spreadsheet. [#143532]

Eevee World Sun Shadow no longer works in 4.5. [#142046]

“Clear Keyframes” Affects All Bones. [#143818]

Compositor Keying node “Feather Size” and “Dilate Size” inputs do nothing when given negative values. [#144070]

Fix: Assert in Keying node with no input. [d117ef4af3d]

VSE video thumbnails performance / UI smoothness issues (since 4.3?). [#142912]

Animation FPS progressively slower from Blender 4.3 to 4.5. [#140706]

Assertion: BLI_string_ref.hh operator[](), at ‘index < size_’. [#143539]

Eevee World Sun Shadow no longer works in 4.5. [#142046]

Fix: EEVEE: VolumeProbeModule do_full_update_. [20f7bc67506]

Cryptomatte picker does not work with sequences. [#144107]

Vulkan AMD: Wireframe overlay renders without occlusion culling when smooth wires is turned off. [#142537]

Grease Pencil Bezier Curves, doesn’t respect Overlay Guides when Grid Snapping is on. [#143534]

Blender has stopped working when copying a Grease-Pencil stroke in Edit-mode. [#142700]

VSE proxies for image sequences do not work (since 4.5). [#144254]

Node tool crashes under specific scenario. [#144126]

4.5 Grease Pencil Light feature doesn’t work anymore. [#144170]

Sculpting Dynotopo R Button display artifact (NOT Critical). [#142927]

EEVEE: Shadows are missing if trasparency of a material is set by Instance or Object attributes. [#144054]

Mesh transforms do not show up in the viewport if Blender is run with –debug-gpu-force-workounds. [#144174]

Blender Project Instant Crash Upon Opening. [#143720]

Grease Pencil 3 Moving Strokes to other layers cause them the lose Parenting. [#139258]

Calling ‘bpy.ops.object.lineart_bake_strokes’ through the Python API in 4.5+ causes the UI to stop responding. [#144392]

Edge slide misbehaves when sliding towards triangle. [#144270]

VSE: Scopes sometimes stop updating during playback. [#144432]

Return value of `bpy.app.translations.locales` changed in 4.5. [#144306]

Vulkan: Disable descriptor buffers. [84d0840f0c8]

Vulkan: Destroy resources in submission thread. [3b081259efc]

Fix: Compositor: Wrong tooltip for Crop Node. [3c2bd8cde6e]

Removing and then redefining override causes a crash. [#144373]

Fix #144408: Crash when cancelling primitive tool with automerge on empty drawing. [#144470]

Grease Pencil: `Convert Curve Type` operator always creates Bézier curves with free handles. [#144369]

Crash when setting default_value for a color socket on a material node group. [#143551]

Fix: GL Compilation Subprocess race condition. [05b26ef4eb8]

Compositor crash cycling between inputs in compositor. [#144411]

Crash in texture drawing. [#143691]

Fix: Grease Pencil: Attribute interpolate with randomization. [1b6c73b0918]

Reprojcting Bezier Grease Pencil Strokes doesn’t move the handles with the strokes. [#131108]

Fix: Grease Pencil: Bézier handles not effected by `Snap To Grid`. [0c6941eee39]

Fix #139094: Grease Pencil: Primitive Tools not initializing `u_scale` attribute. [72bf515e585]

Fix: Grease Pencil: `SVG` and `PDF` bounding box size bug. [118fe9cd248]

Cycles: oneAPI: Disable L0 copy optimization for several dGPUs. [4bc473807f7]

grease pencil 3.0 subdivision pinches at the stroke’s start point. [#142644]

FBX exporter encounters error when exporting meshes with tangents. [#144592]

Fix: execute_node_group only accepting positive values for arguments. [bc6bc8f5d51]

Animation & Overrides; Keyframe insertion should result in warning/error?. [#144371]

Build: Only link to librt on Linux. [41539e4fa80]

Fix: Build failure on riscv64 platform. [9745245933a]

Blender crashes opening certain file. [#144749]

ACES 1.3 errors in Blender 4.5.1. [#144681]

LineArt: Backport thickness to radius conversion. [ae8a273c7afcccae43180596b8970f96c8e6435c]

Can’t Keyframe or add driver to UV Map active render property. [#142780]

Vulkan Backend Renders Control Points Incorrectly. [#143231]

Vulkan: Swap to system memory for device local memory. [92cb40fd2ead492c907704feb24cb99227d60f1a]

Vulkan: Displaying Bone Keys in Graph Editor Causes VRAM Leak. [#142305]

Fix: Vulkan: Use after free when switching scenes. [960e0dae10]
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Blender 4.5.1 LTSJuly 29, 2025
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Blender 4.5 LTS

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