Blender 4.5 LTS

Blender 4.5.15 LTSOctober 22, 2026

Changelog

Fix #146838: Windows/IME cancel composition on end IME. [db5671676a7]
Crash: viewport garbage collector reads a freed object through an inactive-scene depsgraph. [#163701]
Python: Opening a file and removing a scene causes crash. [#145084]
Blender DELETES unsaved texture work on a texture timeout. [#164448]
VSE: Scene strip has wrong bounding box. [#164944]
UI: Remove auto-run preference from warning prompt, communicate risk. [9b01c5fd1b2]
Fix: Core: Auto-run scripts trusted for unintended files. [752e3134302]
Fix: Freestyle: Python style modules ignore auto-run setting. [a01db23d1e8]
Fix: Materials: More unsanitized material slot index issues. [a204d52b534]
Fix: EEVEE image texture node crash with invalid blend file. [8d6a9f9759a]
Fix: Text Editor: Live edit should not be loaded from blend file. [f41fd04ba61]
Refactor: Stop using `eval()` in Rigify code. [0a33430e6a6]
Fix: Rigify: Consistently use getattr and repr instead of eval. [d916f1679c1]
Fix: Anim: Remove Update Animated Transform Constraints operator. [de81cdb9a43]
Fix several potential errors when reading corrupted DNA data. [af234c2d750]
Fix: partial data used when a data-block fails to read. [0e6cf01e741]
Fix: out-of-bounds struct reconstruction with inconsistent DNA sizes. [908fdae9cbb]
Fix: out-of-bounds struct reconstruction with an invalid block count. [e6ba05d9b7e]
Fix: out-of-bounds read from an invalid block struct index. [c57017661ae]
Fix: null dereference reading a corrupt global or user-prefs block. [7d4b6dbe71b]
Fix: null dereference freeing a partially-read window. [3410c36355e]
Fix: null dereference linking a data-block that fails to read. [0c92f54ad85]
Tests: add corrupt .blend reader files. [21f79293863]
Fix: corrupt linked block silently treated as missing. [d13a810ffe5]
Fix various issues in case linking fails to read a library blenfile. [532eea513d5]
Core: Add more early return in invalid case in liblinking part of blendfile reading. [7eaf6c0dc59]
Fix: Core: Crash with corrupt thumbnails causing integer overflow. [71c10a0217d]
Fix: Core: Crash listing datablocks and previews with corrupt blend file. [94d99b362b0]
Fix: Core: Crash with missing typeinfo freeing incompletely read node. [56c2236eabf]
Fix: Core: Crash with too short blocks in blend file. [7de4986e74e]
Fix: Core: Crash with blend file block of unexpected struct type. [5afc69b7a8d]
Fix: Core: Crash with link placeholder without library in blend file. [c605a24798f]
Fix: Core: Crash reading ID with missing asset metadata in blend file. [54734705a62]
Fix: Core: Crash with link placeholder in archive library in blend file. [b4724b794d8]
Fix: Core: Memory leak reading data with invalid size from blend file. [1533f91483c]
Fix: Core: Layer collection resync stuck after invalid read. [1518d9a3e4f]
Refactor: Point Cache: Simplify file IO functions. [fab04184ccb]
Fix: Point Cache: Crashes reading corrupt files. [4f8a3270213]
Fix: Point Cache: Crash with corrupt point indices in file. [d17af882149]
Fix: Core: Struct size check rejects files with old cloth gravity bug. [57d0ea0028f]
Fix: Core: Struct and array size check not checking negative sizes. [d7346886d2d]
Fix: Core: Crash freeing link placeholders after failing to read library. [65963a25320]
Fix: Core: Use after free with data-block failing to read from blend file. [75be001974c]
Fix: Core: Out of bounds read with too short ID name in blend file. [e7b3b8f669e]
Refactor: Core: Utilities to read structs with derived types. [b78573b06fe]
Fix: Core: Crash with invalid boid rule type in blend file. [7254476d0d0]
Fix: Core: Crash with modifier too small for its type in blend file. [bdcfa8f257c]
Fix: Core: Crash with legacy grease pencil modifier wrong type. [c62e81e08d2]
Fix: Core: Crash with grease pencil drawing or layer with wrong type. [2e292e730e7]
Fix: Core: Crash with shader effect with wrong type. [037b759cd75]
Fix: Core: Crash with line style modifier with the wrong type. [cbaeb2f96eb]
Fix: Core: Crash with strip modifier with the wrong type. [a05f1731f21]
Fix: Core: Crash with node interface item with the wrong type. [658150c448e]
Fix: Core: Crash with viewer path element with the wrong type. [0d227f74337]
Fix: Core: Crash with user menu item with the wrong type. [513fb271987]
Fix: Core: Crash with space data with the wrong type. [dc7a5792b0b]
Fix: Core: Crash with corrupt window area edges in blend file. [3881a489067]
Fix: Core: Crash copying line style with invalid modifier type. [dada5c96d18]
Fix: Core: Crash with node tree interface root panel of wrong type. [19ee153e4fd]
Fix: Core: Crash freeing data-block that failed to read from blend file. [ef05e168f53]

Blender 4.5.14 LTSSeptember 15, 2026

Changelog

Release: Update license.md. [7d7ce3eeab]
Fix: BKE_image_walk_all_users static cast bugs. [c8151f8bfe6]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

Blender 4.5.2 LTSAugust 20, 2025

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