Automatic Updates
The following stores provide automatic updates. Install once and keep this LTS always up-to-date.
Steam*
Windows, macOS, Linux
Microsoft Store
Windows 11, 10, and 8.1
Snapcraft
Linux
* Find Blender 4.5 LTS under v4.5 – Stable – LTS branch. Switch by right-clicking on the Blender entry in your library, select Properties..., open the Betas tab and select the v4.5 – Stable – LTS program.
Source Code
The source for this release is under the blender-v4.5-releasebranch, and can be compiled as usual. See instructions.
Versions
Blender 4.5.5 LTS – November 18, 2025
Download
- Linux
- macOS – Intel
- macOS – Apple Silicon
- Windows – Installer
- Windows – Portable (.zip)
- Windows ARM – Installer
- Windows ARM – Portable (.zip)
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 LTS – October 29, 2025
Download
- Linux
- macOS – Intel
- macOS – Apple Silicon
- Windows – Installer
- Windows – Portable (.zip)
- Windows ARM – Installer
- Windows ARM – Portable (.zip)
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 LTS – September 9, 2025
Download
- Linux
- macOS – Intel
- macOS – Apple Silicon
- Windows – Installer
- Windows – Portable (.zip)
- Windows ARM – Installer
- Windows ARM – Portable (.zip)
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 LTS – August 20, 2025
Download
- Linux
- macOS – Intel
- macOS – Apple Silicon
- Windows – Installer
- Windows – Portable (.zip)
- Windows ARM – Installer
- Windows ARM – Portable (.zip)
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]
Blender 4.5.1 LTS – July 29, 2025
Download
- Linux
- macOS – Intel
- macOS – Apple Silicon
- Windows – Installer
- Windows – Portable (.zip)
- Windows ARM – Installer
- Windows ARM – Portable (.zip)
Changelog
- Fix: Only last tangents layer is exported to fbx when mesh has multiple uv layers. [3a16c4995a1]
- LibraryOverride bug because of Hair Curves. [#139527]
- Sculpting “Surface Smooth” causes decimation of Geometry. [#141753]
- Back side of rotate gizmo appears when approaching small object. [#111060]
- Crash when using cryptomatte node with image sequence having different sizes. [#141810]
- Unexpected Behavior on Closed Grease Pencil Curves with Connected Proportional Editing. [#142025]
- Geo Nodes Input Panel crashing when name is deleted. [#141911]
- Manifold boolean with plane is offset. [#142326]
- Light Temperature’s Animate property button keyframes the wrong property. [#142103]
- Armature: Copy to Selected not working on Editbone “lock” unlocking. [#141940]
- Armature EditBone RNA paths incomplete. [#142062]
- Adaptie Subdivision Simple breaks UV. [#142060]
- Asset Library : Creating new pose library asset keyframes everything. [#141909]
- When reloading a linked character, while a NLA strip is in edit mode, the base action gets un-slotted. [#139509]
- Issue building blender 4.5-pre on linux with external manifold 3.1.1. [#141943]
- Critical error when importing animation data from previous versions. [#142106]
- `batch_for_shader` with custom glsl shader very slow when inputs are optimized out of the shader program. [#137429]
- Blender had a crash after exporting Grease Pencil to PDF. [#142183]
- Consistent crash: 2 image sequence materials playing from video files. [#141918]
- Bevel (selection including border edges) crashes. [#142045]
- Broken USD skeletal animation rotations because of quaternion discontinuity. [#141718]
- Importing certain USD files crashes Blender. [#142084]
- MeshSequenceCache modifier does not read Edge Creases. [#141633]
- Blender crashes switching to sculpt mode on a hidden mesh. [#141827]
- Memory leak when exporting object(s) with subdivision modifier to FBX. [#128169]
- 4.5.0 – EEVEE 3D viewport Smudgy animation playback. Different results when multiple 3D viewports are open. [#142217]
- Material preview lighting changed between 4.5 and 4.4.3 on old Intel hardware. [#141781]
- Crash when skipping outside of simulation cache with Vector Display enabled. [#142259]
- Crashes when Scaling a Video and Audio Strip in VSE. [#142291]
- Blender crashes switching to sculpt mode. [#142328]
- Cycles: oneAPI: Compile only needed device binaries in multi-GPU case. [0b5f1491e74]
- Blender crashes on exit closing a non-focused window (OpenGL backend + Wayland?). [#141777]
- Crash adding subsurf with invalid material indices. [#142245]
- Manifold Boolean Subtraction causes crash. (And is not retaliative). [#142494]
- Blur Attribute after Manifold Boolean crashing, exaggerated by sample nearest surface. [#142454]
- FBX: new 4.5 importer produces broken rotation curves in some cases (when angle between two keyframes is large). [#142333]
- Fix #142647: Don’t create preset that has the same name as built-in ones. [#142652]
- Grease Pencil wrong fill shape when removing fill guides. [#142649]
- Release scripts: Packaged test data is missing folders. [#142489]
- VSE: Retiming and Speed Control are not automatically updating Sene strip subframes while previewing. [#141709]
- Crash if Realized Instance Contains some weird stored named attribute. [#142163]
- Crash when use geonode tool on multiple objects. [#142648]
- Transfer Mesh Data – Always giving warning even though the operator works as intended. [#140376]
- Vulkan, change view to wireframe crash. [#142097]
- Vulkan crash when displaying texture on a point generated from geometry node with cycles and eevee views at the same time. [#142255]
- Regression: UV Editor – Show Faces – no more working. [#142557]
- 4.5 – Grease Pencil – Color Jitter still not working. [#142006]
- Windows: graphical crash report appears in background mode. [#142314]
- Assets Browsers’s Capture Screenshot preview area are not correct on macOS. [#141982]
- Regression: Custom Node Socket Types in Node Tree Interface Not Possible in Blender 4.5.0 LTS. [#142630]
- Removing keymaps with default names. [#118035]
- Regression: UV edit cage no longer has corner scale points. [#142811]
- Adaptive Subdivision in the viewport recalculates when the camera moves. [#142603]
- 4.5 – Grease Pencil – Color Jitter still not working. [#142006]
- CompositorNodeVecBlur’s `use_curved` property crashes Blender. [#141970]
- Cycles Render: Volume (Before Baked Simulation Starts) still trying to be rendered. [#105546]
- Fix: Crash when group node has no Group Output node. [a1c9bbc17af]
- Hard crash when using bmesh.ops.split (unreachable code @ bmesh_py_types.cc:4372). [#142633]
- Vulkan Fails on Windows ARM with Qualcomm Adreno 31.0.112.0+ Driver. [#142859]
- PyDoc: Document all app handler arguments. [73b2f639a09]
- When Subdiv is enabled, the size in dimension remain the same (GPU Subdiv off). [#142399]
- Can’t add snap points when only using `Grid` as a target. [#139530]
- VSE: Adding a new effect displays stale frame (since 4.5). [#142853]
- Win: Disable bug report button on crash dialog. [4d5328d5daf]
- 4.5 backport: Fix: crash displaying negative numbers in WM_cursor_time. [74102188b6e459a5adb8453be946f45a7650603e]
- Crash using Cycles with two Intel GPUs. [#138384]
- OSL camera fails camera in volume check if the ray is offset too far from the camera. [#139718]
- Cycles: Lightgroup passes for environment shaders are incorrect. [#142953]
- Fix: Grease Pencil interpolation on cyclic curves shifts end point. [bf9579e359962a90e73f467ea4535ba551d98792]
- Bledner 4.5 FBX import crash. [#142972]
- Utilities: Add batch files to help launch Blender with different GPU backends. [8208e58308f]
- Opening a specific 4.4 file crashes Blender 4.5. [#142954]
- 4.5 Particle Brushes Lost X-Ray Capability. [#141741]
- Blender 4.5 shader nodes is no longer able to read undisplaced normals. [#142022]
- Fix: VSE: Copy to selected would interfere with dual handles. [1df47953ced]
- Fix: VSE: Cannot ignore connected strips’ handles with alt if already selected. [c63b96e14c2]
- Multiresolution: Smooth Mask filter creates patterns. [#142186]
- Scrape to Plane brush type versioning handles “Plane Offset” incorrectly. [#142151]
- Crash selecting an armature with over 65k objects. [#143161]
- Ctrl + H “Hide Other Collections” Pie Menu – Shift to Extend Not Working. [#140548]
- The “offset even” option in Extrude Individual Faces and Move does nothing. [#135908]
- Fix #143156: “RGB to BW” node not found in link drag search. [#143174]
- Fix #142724: Mesh used by boolean modifier missing subdivision in edit mode. [#143135]
- Fix #143127: UI: Shading UI shows inactive settings in Matcap mode. [#142863]
- Normal Edit Modifier is not behaving predictably in 4.5. [#143142]
- Cycles crash on macOS (reproducer blend file included). [#143128]
- Fix: Vector.to_tuple didn’t accept precision of -1. [3e8fbfab71]
- Grease Pencil: Dot-dash modifier crash with high Gap values. [#143420]
- Cycles OSL: Shader thumbnail generation leads to crash popups. [#142876]