Blender 4.5 LTS: Bugfixes

There are a total of 494 commits in 4.5 that fixed issues that existed in Blender 4.4 or older.

Animation & Rigging: 54

• Some Bone properties ("Display as", "Hide", ...) do not update the viewport after Copy to Selected in Pose Mode (Edit Mode is fine) [fc32c267227]
• Light Probes not integrated into Animation Editors [eb82ff61668]
• Anim Channel Pinning: object data pinning only accessible for cameras (leaves blank/empty space for other object data types) [ab9f03555c1]
• Animation Channel Pinning on object data lost when object action is added [5787b745803]
• Animation Key handle moves on its own, stays moved even when pressing ESC (can't be undone) [d7dd45e4da1]
• Crash when using poly build while animation is playing [b50a5250762]
• Graph Editor Smooth functions create steps with subframe keys [8da357f1ea9]
• Removing Constraints using Python crash blender [3233ddc3b37]
• Joining armature objects that share their data fails assertion [2ce3e8c877e]
• Viewing "Item" in the sidebar on a bone with a custom shape crashes blender [7e17ec5562b]
• Box selection selects wrong summary keys in Action/Timeline editor [32d2bc0a596]
• Proportional editing in graph editor creates loads of glitched (reset to zero) keyframes on the whole action. [df6d345bb48]
• Deleting an F-Curve from NLA strip in tweak mode crashes [67b0e05a624]
• Bone selection in blender treats active but unselected bone as if its selected leading to incorrect selection behavior [3ddd2dff372]
• Creating armature constraint on a bone with ctrl-shift-C leaves an empty in the scene [1203b726d1c]
• When hiding an object and its children only the parent gets a keyframe [b9d282b3175] - Backported to 4.2.12
• When hiding an object and its children only the parent gets a keyframe [96daf409c08]
• Animation Keyframe position is wrong when pasting after changing clip start in the NLA [04162c9a93a]
• Applying a pose asset no longer auto keys [da2a09fe632]
• Copy pasting keyframes, pastes them away from the cursor, instead of starting from the cursor. [5d7967fed83]
• Select Columns on Selected Keys in Dope Sheet/Graph Editor doesn't work when editing action strips that don't start at frame 1 [d2ea328a6c4]
• Insert Keyframe Menu hotkeys change if there are no keyframes set in armature [c4acb840eff]
• Data Path Missing for the Bezier Handles in the Graph Editor! [27ad6b7c2b8]
• Blender Crashes after adding custom properties to Pose Markers and after a restart. [4e596d18c16]
• Some drivers remain active after deletion [34050dc8655]
• Auto Keying isn't working with Lock Camera to View when using trackpad [68252ef77cc]
• Moving bones up or down in the Dope Sheet moves by random increments [a5967aae812]
• Moving bones up or down in the Dope Sheet moves by random increments [781e15671bf]
• Crash - Moving shapekeys down in the Dope Sheet on an object with the Armature modifier 4.4.1 [4c7c26440a0]
• Armature Rotation Reports Incorrect Dimensions [30698cf885a]
• Crash/Freeze when having multiple drivers on vertices positions [a3b8ea843c6]
• Moving bone resets tail joint radius [17d8650d2d5]
• Action Constraint without Action produces invalid result [1625d9359d9]
• Auto Key Inconsistencies in Reset (All) to Default Values & Interactive Light Track to Cursor [f47df7bc520]
• Rigify spline_tentacle fails to generate after changing the bone that holds the type [a956c34efd3]
• Next/Previous Keyframe breaks when "Show Only Selected" is disabled [9663d287fce]
• Assigning Action without assigning slot crashes the Dope Sheet when the NLA is involved [b59b4d87a81]
• Motion Paths don't auto-update [b40760caf8f]
• Auto Key Inconsistencies in Reset (All) to Default Values & Interactive Light Track to Cursor [031755b9dfb]
• Bugs with Slotted Actions and the Available Keying Set [9605cbde6f4] - Backported to 4.4.1
• Pasted curves on multiple selected objects only visible after deselecting [06231cc8b32] - Backported to 4.4.1
• Slotted Actions - Duplicate Slot doesn't duplicate animation data [9b1a34e83eb] - Backported to 4.4.1
• Crash on Merge Animation when Slot has no Channelbag [a9f4f211d49] - Backported to 4.4.1
• Name Filter/Search in Dope Sheet and Timeline editors do not hide channels properly [dc38872326b] - Backported to 4.4.1
• 4.4 Graph Editor. copy/pasting a single keyframe pastes on unselected curves when channels are collapsed [6b62ec5b3aa] - Backported to 4.4.1
• Anim Converting bone rotation with Rigify crashes Blender [9811c5c5de9] - Backported to 4.4.1
• Anim Keying slotless NLA strip does not update the strip's slot [6d3c621958f] - Backported to 4.4.1
• Move slots to new action not maintaining animation data [6ffb0e368d3] - Backported to 4.4.1
• Keyframe interpolation behavior changed for BoolProperty [a7d787f5b94] - Backported to 4.4.1
• Copy Global Transform (Fix to Camera Operation) - Will not work if "only active keying set" is on [640255bbbf3]
• Influence keyframes not appearing in 4.4 during tweak mode [7ca64d953c9]
• Influence keyframes not appearing in 4.4 during tweak mode [0f35ef9111d]
• Crash clicking on the marker-region in the time line [c8c276f56f9]
• Library Overrides break action constraints [63c3db3e96f]

Asset System: 13

• Blender crash when "Adjust Pose asset" comand from Asset browser [e852533ddd3]
• 'Current File' asset library catalogs are overwritten by pre-existing blender_assets.cats.txt instead of merged [37b534967b6]
• Asset shelf icons do not update when a thumbnail is edited [06205ae9778]
• Mac version blender crashes when Asset Libraries path contains BACK SLASH "\" [efdda781755]
• Shade Auto Smooth returns No Asset Found at Path [58247efc698]
• EXCEPTION_ACCESS_VIOLATION crash error when adding brush asset through Python from the commandline [0491c2c233b]
• Blender crashes to desktop when renaming newly created Brush Asset image datablock to already existing name [22818f4a6dd]
• Grease pencil materials duplicating on custom brushes [1e49a7e1357] - Backported to 4.4.1
• Assets Reload After each Save which makes it Invisible in the Search List for a second [4f965e4d383] - Backported to 4.4.1
• When marking multiple objects as assets, only the last asset automatically generates a preview thumbnail [b2950de4a2a] - Backported to 4.4.1
• Assets Preview images can be generated from objects that produce no usable output [f3c513f3429]
• Missed Update when node Tool is removed [77a0c922838] - Backported to 4.4.1
• Blender Crashes when renaming an Asset Browser catalog [50f76667853]

Core: 8

• Crash when changing scene [549e4c62748]
• Duplicate collection while some object in edit mode makes instances. [78d78223b8f]
• Deleting a model with a parent causing it to crash (when deleting from the Outliner) [eb5d630db1d]
• Reading mmap'ed images from network drives may crash Blender when the file is not valid [34cd681a48b]
• Blender freezes occasionally freezes on dense meshes [f9842107aa5]
• Blender freezes occasionally freezes on dense meshes [79eea8208df]
• When you make local a nested override collection, the data inside it gets out of sync and is automatically deleted. [699d0714140]
• Crash when saving file in edit mode from python load_post handler [42adf00f531]

Grease Pencil: 65

• Blender crashes when a bake is attempted on a grease pencil object with two line art modifiers [7c8b8b24572]
• Grease Pencil 3 : Weight paint is using strokes original position instead of the current one [a1893bf5e1d]
• GP Strokes duplicated when joining strokes from different layers [5acd62b39d1]
• Grease Pencil: Brush Strength is not equals in top bar and context panel [6957242a53d]
• Crash enabling material name overlay on Grease Pencil without material [27b205f579f]
• Grease Pencil Outline Modifier No Longer Works With Single Points Strokes [7b403a2b102]
• Gpencil stroke yellowish color shift caused by framebuffer attached with GPU_R11F_G11F_B10F texture. [dd16e5f96de]
• Grease Pencil: Darkened outline on texture stamp brush when layer use multiply blending mode [4990edd94dd]
• Grease Pencil: Interpolate Sequence operator causes unwanted vertex group weight changes [a25e1c92674]
• GPv3 Make new strokes selected after operators (copy/paste etc.) [c40a1a9836b]
• Grease Pencil - Lasso Erase does not delete single points [5c1eb992797]
• Grease Pencil: Brush overlay radius not accurate for perspective projection [672d8cfc6f6]
• Gp3 Strokes with Locked Materials can receive weight value [0c41c0372e2]
• Layers in linked grease pencil objects can be modified [afa4eaa96cb]
• Blender 4.4.3 Grease Pencil Conversion Loses SVG Material and Applies Thick Stroke on Imported Circle [57d94f5902a]
• Mesh to Grease Pencil object conversion does not handle vertex groups [f436f67663e]
• Grease Pencil - Transfer Mesh Data not working (Essential for Weight Transfer) [308292b5d73]
• Cannot Paste strokes to every keyframes selected in Multiframe mode. (Grease Pencil) [48f49deaa81]
• Blender 4.4.3 Crash when Fill Curve converted to Grease Pencil [1cb20d444ef]
• Weight Painting Auto Normalize doesn't work on Grease Pencil [86f8ca124a2]
• Grease Pencil Image Sequence Tracing Crashes [2a317bad3e6]
• Grease Pencil: Face Project and Face Nearest snapping mode not working [795f5899899]
• Move 'use_transform_data_origin' only moves Grease Pencil Bézier Handles, not control points [82e557eb218]
• The use of bone position as a driver to control GP layer visibility is invalid [82699dfe015]
• Grease Pencil proportional editing in connected mode doesn't use topological distances [c86f5c2a645]
• Grease Pencil: Grease Pencils from Geometry Nodes don't render without other Grease Pencil Objects [518bef9ae90]
• Broken wireframe of Grease Pencil object [01fb09b2403]
• Grease Pencil Add Operator Ignores 'Show In Front' and 'Use Lights' for Empty, Stroke, and Monkey Types [bc6b2a98fb4]
• Baking Multiple Lineart modifiers crashes Blender [e441095edb6]
• Lineart crash during viewport playback [884ef238c0d]
• Crash Blender 4.4.1 when I Fill converted "Text" to Grease Pencil [deddc6f18ca]
• Grease Pencil 3 strokes loses bone influence after Re-Arrange (Back to Front) [1ae6d13b5f4]
• Grease Pencil: Messed up drawing with time stretching [40379c4dbd0]
• Numpad * hotkey toggle doesn't isolate GP layer [2dc0a243d3d]
• Grease Pencil Crushes Blender when saving SVG when not in Camera View [5e16193b4c8]
• Grease pencil cursor radius doesn't match drawn line if grease pencil object is not at world origin [c08d0b53e9e]
• GPv3 Join Command Reverses Bézier Handles [123b36ff473]
• Grease Pencil/UI: No arrow cursor in dialogs and context menus, cursor is hard to see [9b8be181baf]
• Regression Orbit around Selected in Grease Pencil Draw mode when not at origin [bf7c53bd578]
• Grease Pencil - Applying modifiers changes Layer order [8b3f49381a2]
• GPv3 GreasePencilDrawing.set_types BEZIER causes crash [0a3015a771d]
• Grease Pencil: Thickness modifier affects strokes that are not part of the vertex group [062c5ab2251] - Backported to 4.4.1
• GP Tint Modifier not working using Gradients [b0e4c31bb08]
• Gp3 "AutoMerge" Destroys weight paining on strokes [5aea7b45919] - Backported to 4.4.1
• Grease Pencil: Crash when using selection tools in edit mode. [62062c79157] - Backported to 4.4.1
• GreasePencil Layer visible when loading in Blender 4.5 [58fa6a50ce2] - Backported to 4.4.1
• GPv3 Join and Copy and Join operating on hidden layer [2a36b613caf]
• Grease Pencil Edit Mode does not apply low Multiframe Falloff properly [7b705d6e549] - Backported to 4.4.1
• Inconsistent Bézier Curve to Grease Pencil Conversion and Stroke Thickness Issue [6977c15b519] - Backported to 4.4.1
• Grease Pencil corrupted strokes turn black and can't be colorized any more [f17148458d2] - Backported to 4.4.1
• Collection Line Art is distorted [3522e2bd26a] - Backported to 4.4.1
• Grease Pencil SVG export - wrong export resolution (should be Output > Resolution X,Y) [92c777576c7] - Backported to 4.4.1
• "Merge Group" on empty grease pencil layer group will crash [d8167b14a77] - Backported to 4.4.1
• Crashed while using Interpolate tool in Grease Pencil [bf4418bc8dd] - Backported to 4.4.1
• Grease Pencil Tint Brush don´t erase color attribute when pressing Control Key (working in 4.2) [c40afd42258]
• Grease Pencil: Assert when weight painting rigged GP object and some layers hidden. [d32de62a089] - Backported to 4.4.1
• GPv3 Interpolation changing static strokes [13f862ec029] - Backported to 4.4.1
• Blender 4.4 crashes when deleting tools Measure. [fa6e1043626] - Backported to 4.4.1
• Crash calling grease pencil active layer operator with out-of-bounds index [4cd7e335a9b]
• Grease pencil: SVG export with bezier curves looks wrong [5d5782571e6]
• Grease pencil: Dot-dash modifier material influence removes strokes of non-selected material [2e5c223f37f]
• Crash calling "grease_pencil.layer_group_color_tag" operator on an empty grease pencil [ec33541b99b]
• Export -> Grease Pencil as SVG crashes Blender with procedurally generated GP object [bc3c72fd8ab]
• Blender 4.3 has incorrect SVG Export resolution [ba83ddfa893]
• Grease Pencil: Crazyspace handling broken for bezier strokes (e.g. Weight painting a posed stroke doesn't take armature deformation into account, many other tools as well) [3a85ccde38e]

Modeling: 39

• Bézier Curve Tilt values not interpolated when using "Segments > Subdivide" [9f666b3ca88]
• Wrong dashed line displayed when rotating and scaling camera from camera view [68f559db5d8]
• Rigged Curve Crashes Animating Root Scale to Zero with Geometry Nodes Mesh Boolean [4a68512db9f]
• Blender becomes unresponsive when adding a metaball under specific conditions [3d6e9756c77]
• Non-consistent auto-selection after vertex bevel in edit mode [2aa7502d3b5]
• Weightpainting Smooth Operator does not respect locked vertex groups [2630fc4978c]
• Lamp gizmos allow editing linked data [db2f8782b52]
• Metaball Cube could not be selected [cda9ce9777f]
• Knife tool not locking to axis [7e2926233d7]
• Bevel modifier in Blender 4.4: drastic change in Clamp Overlap behaviour comparing to the previous versions [379fffaf0da]
• Bevel modifier disconnects vertices in the UV map [8412c0b42dd]
• Crash when converting mesh to curve, back to mesh, then to instance and selecting vertices in edit mode [23b2f987d34]
• Bevel Modifier creates unwanted geometries that have seemingly undefined location [fc0b6590664]
• Major performance regression in 4.4 with meshes that have nonsensical face material IDs [fd2be0026a5]
• Proportional editing with "connected only" ignores some parts of a mesh [5905a1309ae] - Backported to 4.2.12
• Crash entering edit-mode for 3D text objects referencing curves [8fea423e006]
• Crash entering edit-mode for 3D text objects referencing curves [cd2be776102]
• "Set Origin > Geometry to Origin" can be inaccurate [b8d82c510fd]
• Weightpainting Smooth Operator does not respect locked vertex groups [4627e0d3d0e]
• Setting text object font to None using python causes Blender to crash [011de28348b]
• Applying rotation on an object with a scale value of (0,0,0) will prevent "Clear Scale" from working correctly [a143a996341]
• Regression Knife Tool bug with axis constraint [9a4ee099e64]
• Pick Shortest Path selects extra edges on corner with narrow Bevel [b27459dbd8b]
• Switching Lattice to Edit Mode Crashes Blender [48f9212483e]
• Custom modal operator that passes through leftmouse and mousemove events crashes Blender [85913eb58a7]
• Converting camera doesn't do anything [b795f09e22b]
• Dissolve can create duplicate faces / invalid geometry (leading to crashes on further modeling operators such as Subdivide Edges) [4e37bd8c659]
• Undoing the removal of a vertex group in edit mode changes other vertex groups and doesnt bring the removed vertex group back [d6e8c4c124b]
• Regression Broken tabulation character [3f36ce297ad]
• Splitting by material on linked duplicates can result in a UI list with no materials, while the object still has materials. [cebffdfdfa0]
• Crash while using knife + GN setup [f3aa425d818]
• Knife Tool Cut through not working after enabling Angle Constraint [79c1bb67d92] - Backported to 4.4.1
• Crash with Select "Shortest path" in the UV editor [d60bbbbe637] - Backported to 4.2.9 and 4.4.1
• Regression 4.4 Opening large files from older versions, such as 4.3.2.blend, is very slow and results in crashes [ee8e993181e]
• Blender crash when entering a number in remesh modifier [c5cda9474e3] - Backported to 4.4.1
• QuadriFlow Remesh gets stuck in a specific case [0fd360428ac] - Backported to 4.2.9 and 4.4.1
• "Apply Transform" applies transform inconsistently to empties [8fd0a0e3f11]
• Crash 'Select Linked' after 'Select Boundary Loop' in multiobject editmode [a062b334a9e] - Backported to 4.4.1
• UI Edge slide and Mesh Shear Status Bars Incorrectly Overridden [015b7483e77] - Backported to 4.4.1

Nodes & Physics: 62

• Regression ASAN heap-use-after-free crash when pasting node group after undoing or opening a new file [f7c24c290e1]
• Switching Fluid Type to Flow Crashes Blender [94f4df8ec4a]
• Geometry node group doesn't strip panel name prefix from sockets when displayed in the modifier stack [95259228d93]
• Nodes Bake node output disappears on mute / unmute [42cc65e5b50]
• Geometry Nodes: "Group ID" in link-drag search for Merge Layers node not working [1d83e9bfe30]
• Geometry Nodes: Curve to Points in Length mode is incompatible with multiple values [843a596b84c]
• Subdivision level looks limited to 11 for the subdivide mesh node [7099cb3c9ae]
• Cannot drag and drop external assets onto material sockets [2e44db85d2e]
• Geometry doesn't update when source For Each Element source is changed. [d9138d6689b]
• Geometry Nodes: Menu Switch Reset to Default Value Working for Modifier but not Node Group [9a56d1a13f6]
• Geometry Nodes: Group outputs show up in link-drag-search under group input node [b58c5f6e777]
• Geometry Nodes: Bake button doesn't work in a zones but no UI for this [9efc23bb690]
• Geometry Nodes Volume Transform Crash on Bad Matrix [3ce212b9acc]
• Crash when using Fillet Curve node on Grease Pencil converted to curves in Geometry Nodes [0ed1429fd3c]
• Use box selection can't make the geometry nodes gizmo to show up [9c33e273946]
• Join Geometry node incorrectly merge vertex weights [383b3fd678d]
• OpenVDB cache Mantaflow Gas has Hollow Emission [f2ad6b1ef0c]
• Geometry Nodes: Frame layout causes big offset inside new node group [9ffb474e076]
• Regression The Linked Node Group Socket Name is Editable [0ad79ca5414]
• Geometry Nodes: For-Each-Element zone sets wrong default curve type [881199d92c4]
• Small smoke emitters fill large cells in the smoke domain [6f1e0a8adf6]
• Move to Nodes operator fails when using menu switch in modifier node-group interface [5180930e0d9]
• Nodes Hidden Node Groups Not Searchable In Add Node Menu [804449dfb05]
• Baking geometry node is unstable [4d2aa7d8283]
• Ctrl+shift+left click to Preview behavior inconsistency between shader editor and geonodes editor [9077a26ba21]
• Geometry Nodes: Realize Instance on nested Collections / Instances with vertex groups causes freeze [92de7a4cbf7]
• Mantaflow Minimum timesteps affects dissolve rate [56144ee59df]
• Regression Geometry Nodes: Points of Curve node domain inconsistency [62fb003fc71]
• Crash with mesh to volume node in specific scene [ce8f30f92cd]
• Crash blender 4.4.0 opening an older file [3cd15d70b26]
• Geometry Nodes: Sample Curve doesn't work properly at point count 1 [8d06479d24a]
• Regression Batch Rename for Nodes and Sequence Strips no longer works [99c87fbf185]
• Frames break copy/pasting in Shading nodes [ed93044f70e]
• Curve to mesh crashes with single point curve and nurbs_order<=1 [6e190bde4ac]
• Rigid body is being affected by forcefield even when the forcefield strength is zero. [25bc5788d60]
• 4.4.0 Node Wrangler ~ Saving Image on Preview Node returns screen to the Geometry Node Editor [0a27641b8f3]
• Curve to Points neither functions or gives warning for Curve Instances [bffc3f824e2]
• Curves removing all points deletes geometry attibutes [e5025933964]
• The Curve to Point node cannot output the tangent attribute in Blender 4.4.1 [0852c7b5ee4]
• Code marked as unreachable has been executed - String attribute and Triangulate node [26ed4eec964]
• Cut particles to shape leads crash [3b9c2c810d1]
• Viscosity instability in mantaflow [1148eb9c8bc]
• Crash with object info node [bf5339df145] - Backported to 4.2.9 and 4.4.1
• Crash Corrective smooth after a baked geometry node will crash [10e95bebca7]
• 4.4 Crash when hiding a collection referenced by Geometry Nodes [2a092a623be] - Backported to 4.4.1
• Crash open a file in early versions with a closure node output [ea604b6b80e] - Backported to 4.2.9 and 4.4.1
• Blender 4.4 - changed legacy node types [508fc4c8a85] - Backported to 4.4.1
• Blender 4.4 - changed legacy node types [e3f9f36681b] - Backported to 4.4.1
• Geometry Nodes: Fill Caps + Resample Curves Count result in crash [571d1c5f232] - Backported to 4.4.1
• Regression Geometry Nodes: Bake gets discarded with Booleans sometimes [1885c4c967a]
• Node frame grid alignment issue [5d3d0af750d]
• Regression Geometry Nodes: "Set Curve Normal" -> "Free" corrupts normals (?) [fe52284be95] - Backported to 4.4.1
• Calling valid_socket_type callback in bpy.types.NodeTree crashes Blender [6eac902c90c]
• Material set from geometry nodes with a texture does not display in edit mode [fb932e7a525] - Backported to 4.4.1
• Mantaflow moving Collision not detected [caf8951a0c3] - Backported to 4.4.1
• GN Segfault when deleting one of multiple Group Output nodes [93576e58323] - Backported to 4.4.1
• Clear button in selector input in redo panel closes the panel [4281767fc0f]
• Vertex Parenting Not Maintained After Geometry Nodes Evaluation in Some Cases [633b8d30db9]
• Disapearing Geometry with unregistered GeometryNodeCustomGroup class [51904839acd]
• Geometry Nodes: bounding box and convex hull lose instance attribute after realizing [e297e6dab39]
• Curve object bounds don't match geometry nodes output [99fa22a01f2]
• Nodes Parenting a panel to one of its children deletes panel and all its children [3a1e7ffebe5]

Pipeline & IO: 15

• FBX importer fails if file from a subdirectory is selected with recursions on in file dialog [2cf0c634610]
• OBJ Import: Clamp Bounding Box should select a single scale for all objects [641824753a6]
• Blender corrupts videos saved in the image editor [5b1126da664] - Backported to 4.2.12
• IO FBX importer sets the pivots incorrectly (for mirrored objects) [074fcfe1a59]
• Incorrect File Imported When Using Drag and Drop with FBX Import Preset [23ff021d58f]
• USD Point Cloud using the wrong frame (double frames) -- due to UsdTimeCode rounding? [457cccd964d]
• Blender can produce corrupted meshes when importing specific files [04bc3f155e6]
• USD Import: Crash when importing a USD file with unused invisible PointInstancer prototypes [1e18fab8382]
• IO FBX importer sets the pivots incorrectly (for mirrored objects) [4e7acc4be8d]
• Regression OBJ import: Clamp Bounding Box does not work [389d770bf42]
• Error Error reading tiles from file when baking to vertex color on high poly mesh [1325b837589]
• USD skeleton import losing rest pose [e45a13118d8]
• Alembic Imported curve objects have incorrect motion blur [73efe738e4f]
• H.265 / HEVC Codec ID incompatible with Apple's apps such as Final Cut Pro [a2ffdb74b4f] - Backported to 4.4.1
• USD and Alembic export name collision [01ddb320dd9]

Platforms & Builds: 6

• Windows x64: MSI Installer fails to upgrade 4.4.0->4.4.1 [aced31fd3f2]
• Freeze/hang while playing audio with audaspace [e4792cb4e71]
• Missing BLI_endian_switch_uint32(&val) leads to failure on s390x architecture [31633d14b53] - Backported to 4.4.1
• Build configuration: SUPPORT_SSE42_BUILD may be false positive for old CPUs [e5987569d3d] - Backported to 4.2.10
• NDOF view teleports when switching between applications [460b1a805dd]
• NDOF view teleports when switching between applications [403900909a0]

Python API: 17

• bpy.data.libraries.load crashes if trying to append from the current file [5b06823f99b]
• Blender crashes running certain python code in background [bfb6b184f55]
• Advanced UIList Example isn't working - missing property [0a3e4b0fd43]
• Blender crash trying to use Context.temp_override with bpy.ops.object.editmode_toggle [8409a5081b2]
• Opening files from Splash executes scripts even from excluded folders [dbf6902a19b] - Backported to 4.2.10 and 4.4.1
• Extensions option to refresh only a single repository is not working for local repositories [ab5875b2d5a]
• CTRL+T on Gabor Noise Texture Node in the Shader Editor Brings Up an Image Texture [17e6d1901b5]
• bpy.path.module_names does not return list[str] [855ad339367]
• Quickstart site uses outdated API bpy.context.scene.camera.data.show_guide [1750a2bbc82]
• Python3.dll dependency in extensions cant be loaded from subprocesses..? leads to import issues in extension [9a2597aae6e] - Backported to 3.6.22, 4.2.9, and 4.4.1
• Blender_manifest.toml doesn't support strings with "<>" characters [68a0e68bcd1]
• Blender 4.4 is discarding exceptions occurred in operator's constructor [14913a447cb]
• Extensions Show extensions for update don't show available theme updates [9789dc8426c]
• bpy python module doesn't limit numpy version [0566b802c7c] - Backported to 4.4.1
• Broken source file links in docs pages [812aaa957d2]
• Wrong description of the length parameter [8ffe7e6ae10]
• Crash when reading context.selected_objects after deleting some objects while running modal [e55d478c642]
• Crash transforming in background mode (with an active region) [044b8ab6f0d]

Render & Cycles: 38

• Blender crashes trying to select a oneAPI Cycles device while having two Intel GPUs with vastly different GPU drivers [05f27f594e1]
• Clicking on "Go to Linestyle Texture Properties" in "Freestyle Texture" results in a Python error. [72a484b503d]
• Cycles MetalRT: Some types of motion are incorrect at low step counts [681eed7e4d4]
• MetalRT Deleting the last object in a scene leaves it visible in the viewport [03183c33287]
• OneAPI Rendering artifacts in barbershop scene [7691e6520b2] - Backported to 4.2.12
• ERROR (gpu.shader): OCIO_Display FragShader:4.4.3 and 4.5.0 have some error with ACEs 2.0 OCIO Configs from Academy Software Foundation But ACES 1.3 worked fine. [a7bcea76d7f]
• Wanderer Demo Crash in 4.1 and 4.2 [02c1e959cfd]
• Assert displaying render [697d13bbfcc] - Backported to 4.2.12
• OneAPI can not render when using large textures [a4cfd14f0af]
• Cycles BVH2: Point clouds do not render properly when using spatial splits [6805385cbe8] - Backported to 4.2.12
• Node editors: Crash when main tree is connected to Group Input node [0c061e686a7]
• Particle system object appears in center of scene during render (Blender 4.4.x) [fc686ff2576]
• Mix node gives wrong result in Cycles under specific circumstances [54e748852a0]
• Cycles HIP: MNEE renders with artifacts on RDNA2 [ce0ec6e708f]
• Cycles Hair curve rendering doing strange things [1e3a7c8c887]
• Placeholder output files wrong name [75f55a9e8eb]
• "No UV map found in the evaluated object" when baking intro Vertex Color Attribute [9afae799e43]
• Dragging in Poly Haven HDRI w/ACES colorspace crashes (viewport render or full render) [204050d1a37]
• World Cycles Ray Visibility is not updated in viewport when changed with Python script [dde50b71866]
• 3.5 Alpha: OSL GPU "Displacement and Bump" broken / not implemented [54b156bf161]
• Crash when compositor references another scene [b23aaa46410]
• Denoiser does not handle highly illuminated scenes when run on GPU [6068e05c118]
• Principled BSDF and curve info shading error when using roughness and image texture in cycles [df053e290d5]
• Regression Cycles: Light appears darker when using nodes that require conversion [891448093f8]
• Custom ocio aces view transform on Mac differs from Windows [99cb3071c06]
• Workbench missing Z pass checkbox needed for Grease pencil rendering [3972d52fa8a]
• Cycles OpenPGL crash with shadow catcher [9f999adfc62]
• Cycles Setting area lamp size to 0 makes it infinitely large in camera ray [c2ec66a75b3]
• Regression Stereoscope Output Images Wrong Color [ac5dc94c400] - Backported to 4.4.1
• Cycles Ambient Occlusion node normals bias. [2e829ca4cfb]
• Cycles HIP RDNA2 white and blue render artifacts [ae710101f57] - Backported to 4.4.1
• Internal mode in IES texture node flagged in missing file report [758e70d7284] - Backported to 4.2.9 and 4.4.1
• Cycles Additional transparent intersections from spatial splitting contributes to transparent hit count [5ce4e91a80c]
• Cycles spatial splitting transparent shadows rendering artifacts [50180283e95]
• Cycles OSL: Window texture coordinate is wrong for panoramic cameras [d6da5573585] - Backported to 4.4.1
• OSL gettextureinfo crashes with sigsev [f896f7ffc32]
• Cycles HIP-RT crash with SSS on curves [9ad3b748675]
• Shading Principled coat doesn't pass furnace test when roughness > 0 [9254532b8b4]

Sculpt, Paint & Texture: 24

• Inflate tool broken in Cycles Blender 4.4.0 [954dbedc570]
• Sculpt mode edit voxel size cannot be changed to 1 after applying scale [c2617180853]
• Mask operators are not properly applied on the entire geoemtry [7274fdb377b]
• Regression Color Attributes data loss using Smooth tool with hidden geometry [9c946e87a5d]
• Color Attributes data loss using Auto Masking with Face Sets. [47523a4192d]
• Brush falloff preset "Constant" produces unexpected results [23951e1b124]
• EEVEE crash when sculpting a multiresolution mesh with multiple materials [166bfb38114]
• Sculpt Mode: Crash with specific Auto-Masking combination [e77d82401b6]
• Sculpt Mode: Line Project tool not working on scaled objects [0cf8066284d]
• Difference between paint and fill 0.5 value in Texture Paint [a5db664d61a]
• Attempting Undo after toggling back into Sculpt mode crashes Blender [d8bab1a65ed] - Backported to 4.2.10
• Color sample issue [f1bdc0f2cd3]
• Crash when drawing face sets in sculpt mode with dyntopo [1f003c08eee]
• Sculpt Dyntopo undo crash after Random Mask [f8622702f53]
• Sculpt Weird behavior with mask and undo in Dyntopo [0c116e7a834]
• Paint mode cursor texture preview does not update when modified by wm.radial_control operator with confirm on release [1529710f440]
• Crazyspace Sculpting (with deform modifiers such as lattice, cast, curve, displace, ...) only considers the unmodified object [84b6c303174]
• Undo eliminates brush texture [1158bb33d0a]
• Inversion Mode of the Fill/Deepen and Scrape/Fill brushes is weaker than expected [51c8986106e] - Backported to 4.4.1
• Color sample only works as "merge" [054f8719ce8] - Backported to 4.4.1
• Crash with dynamic paint output toggle [3285da11a95]
• "Add Paint Slot" disabled "Alpha" still adds alpha [1448b706255]
• Using Gravity Factor and Paint in Sculpt mode breaks Blender [07e8b39330e]
• Soft Light Blending Mode is incorrect in Brush tool [df346a1b6b1]

User Interface: 64

• Camera othographic scale gizmo very hard to handle [29a7b60a40e]
• Ctrl+Tab in graph editor does not send you back to the timeline anymore, but always in the dope sheet. [d92523d0b41]
• Issue during reordering collections [fa1f9226d70]
• MacOS Windows are not opened on screens where they were placed [b0ffd4cb076]
• Click drag to set/unset animate property dont work upward [d83610e7015]
• Dirty bone collection list in outliner after removing all unused bones collections [0faf2a058e3]
• ASAN heap-use-after-free crash when replacing an area by dragging an area from another window [f3b0600083e]
• Crash with "Spin" tool in "Edit Mode" Toggle Maximize Area [bce0f3f677b]
• File manager is not framing correctly selected item after a search [adcea77c497]
• UI Wire color is not selected by default in Geometry Nodes workspace [ab4f5ef5f2e]
• Ffmpeg settings get lost when switching the output file format. [8bb6f8062f1]
• Multires Subdivision Set Relative is subdividing the object [ee67c098d9a]
• The "Automatic" option in the language does nothing with simplified Chinese [7c013f9ea8d]
• Theme TreeView list items use wrong theme settings [0764217fb9f]
• [Ctrl + Scroll] is inverted in RenderPass menu | ImageEditor [2b951355e3b]
• Mouse cursor appears in walk navigation after hovering over gizmo [534044ccefa]
• Geometry Nodes: Grease Pencil vertex colour opacity is 0 in geometry nodes work space [0f1ccdd1679]
• Child objects can go missing in outliner when parent is parented outside of their original collection [6fe4496f4c2]
• Hidden objects and collections Icons not fading in outliner with Light theme / Blender 4.3.2 [370d8956ae5]
• UI Numbers in animation editors are twitching [fbace1066da]
• Missing shortcut suggestion for knife tool [389b26d317e]
• Regression Auto-offset Not working in a case where the node is inside a Frame [8fdf37cd508]
• Preferences are not automatically saved after using bpy.ops.preferences.keyitem_restore [b48f3b0df44]
• UI Inverting search results in "Attributes" list shows hidden attributes [6b5521d49fb]
• Typing in search menu loses keypresses when EEVEE is sampling (Linux + Wayland) [e4aa758d705]
• Invalid editor type after closing maximized area file browser [2d72475d623]
• Crash on startup with a mutli-monitor setup on Gnome Wayland [8836d415429]
• Can't create a working shortcut for Extract Face Set [ea439fdf0c0]
• Node search: Arrow cuts off when highlighting [d66b171996a]
• NDOF zooming stops far away from the object [e8402f27597]
• UV stitch operator from menu doesn't allow user to configure what get's stitch [8d05ad31953]
• Crash in Blender 4.4.1 related to custom properties and drivers [2f96afb4be4] - Backported to 4.2.10
• ASAN Crash (heap-use-after-free) when hovering movie in image search box [b513ff9a8f9]
• Regression 3D text cursor displays intermittently when zoomed out [f09ca4d807e]
• Collection Exporter properties no longer respond to Undo [dd3f2ef36b4]
• Timeline, Dope Sheet & Graph Editor: Marker Area Obstructing Keyframe Manipulation [db700c85d8e]
• Rigid Body collision shapes bounds cant be turned off in viewport overlays [6e76bf89170]
• UI Translate some text in the toolbar when option "Translate Tooltips" is checked [7f25d1c9d00]
• 'use_region_toggle_pie' AssertionError in MovieClipEditor [9de0aa1066d]
• Unnecessary macOS Custom Wire Width warning text [6faef7b149d]
• Wayland cursor positioned menu has wrong placement after walk navigation [6c1a8cf4ce6]
• Unable to assign shortcuts to 'weight' operators in Weightpaint Mode [7dea50e30d2]
• UI Color collection icons offset compared to the uncolored one [dd6b2e648e9]
• Insert Simple Keyframe keyboard shortcut cannot be assigned / not working [d330c1ec652]
• VSE Regression: Vertical Scrollbar Top is Locked [7999f720c18]
• Missing search field in Outliner > Library Overrides > Hierarchies [1c51b10b15b]
• It's possible to save with an empty file name, in which case it will replace the directory [39db404ba4a]
• Crash when left click after deleting light [82a37e143f0] - Backported to 4.4.1
• While resizing editors, sometimes there is a flickering of what editor is active [7215da93904]
• Cannot edit any texts when file comes from blender translated in Chinese . [78c0ca1efbb] - Backported to 4.4.1
• Tooltip remains visible in non-active space [28704a47a13]
• UI Nodes: RGB value indicator glitch [3dc78529f24]
• Color management settings can't be animated in 4.4 [8eb2a9ef024] - Backported to 4.4.1
• Blender 4.4 - crash on hovering file browser's execute button if operator has no description [2dfa57e8ac7]
• The Exposure and Gamma values do not match in Color Management (Render Properties) and Compositor [583f4a79099]
• ASAN error (invalid read) when clicking Menu socket button in modifier [3e5de94c8ee]
• UI Extra chevron on Particle context data breadcrumbs [109100869a7]
• Drag and drop does not work on Windows 10 from P4V, but does in other DCC Tools [b030acbe9dc] - Backported to 4.2.10
• UI Division by zero exception opening a enum menu [d61e4d0930c] - Backported to 4.4.1
• Text moving in status bar [cb11e236050]
• Tool with Dragmenu is hard to select using Stylus [8c5393d4c01]
• The presence of a hidden panels affects the text weight of sided tabs. [4245f1320eb] - Backported to 4.4.1
• Front Face Orientation Color overrides previous theme color on preference copy [3fbb640418b]
• Datablock selector icon drawn too big [47bbf3fcaef]

VFX & Video: 23

• Starting playback with Time Stretching and Sync To Audio enabled causes weird offsets [48b5906cba1]
• VSE Some strips wrongly occlude strips below, when render resolution scale is small [5cbb1c62c4a]
• VSE Proxies have distorted colors for certain files [ff5e9c66e79]
• Regression Crash when deleting a node group after undoing and redoing it in the compositor [c8cb24121fb]
• Crash after undoing "Set as Background" in video tracker [a2a1e4a1591]
• Movie Distortion Node Does Not Redistort Properly with Overscan Renders [6bf52d11f1f]
• Cryptomatte not loading correctly // New Report for 4.5 (similar to: #137644) [7ccdee4d15c]
• Proxy Generator doesn't create last frame [71897ebf959]
• Compositor Switch Node cropping images [f54b49b7738]
• VSE doesn't refresh automatically with scene strips [7169ee7850b]
• VSE Dragged images into the Preview may end up in a muted/locked channel [c4eab49b9c8]
• Alpha visible Sequencer Clip [6dcd7325554]
• File output node crash in eevee when in preview mode and without connections. [d4a57e6cbb4]
• Blender crashing when changing the frame if the render resolution percentage has just been changed following a render, and there's an image editor open that's set to render result. [44497bd5ffd]
• Cryptomatte node only works with first viewlayer [520afd89983]
• VSE Inconsistent retiming key UI over audio waveform (and a crash) [2f79f7987b7] - Backported to 4.4.1
• My blender is crashing randomly when I change the glare in the composition [3561b118514] - Backported to 4.4.1
• VSE Strip cannot be hidden/unhidden if locked and offset is changeable [0b633fab3ee]
• Python API labels for Compositor Crop node Y parameters are reversed [d3431f2d33a]
• The Cryptomatte node does not work when loading an image sequence. [7bdf9002962]
• Blender 4.4 can crash with certain compositor setups [577c46c0819] - Backported to 3.6.22, 4.2.9, and 4.4.1
• Unreachable code executed: van_vliet_gaussian_coefficients.cc in find_scale_factor [95eee272fef]
• VSE Manually setting the Strip Offset Start to negative is either impossible or cut the strip [d267ec3ec14]

Viewport & EEVEE: 65

• "Show Overlays" toggle does not update the viewport mesh visibility with retopology overlay enabled [481776a1054]
• White fullscreen boot on vulkan [f090572ca8a]
• Vulkan Crash with 9 lvl of multiresolution on default sphere [b4e8ee02ccc]
• Vulkan Crash uploading a object with many vertices to the GPU [9ff43282469]
• Vulkan UV Display Issues When Selecting Specific Mesh Regions [e3f2d8804f1]
• Curve doesn't display Bevel Preview in Edit Mode when Retopology Overlay was enabled on another Mesh Object [ea2284af115]
• Particle Weight Overlay Broken in 4.4 [5790ff3b6aa]
• Vulkan Zooming in and out with specific viewport settings results in a curve intermittently disappearing [ea1652dca34]
• EEVEE Volume viewport renderpass requires volume [168ef2331c5]
• Crash when undoing adding camera background movie clip [3c3fe0659a0]
• Wire armatures are invisible in pose mode [b1f222648d1]
• Vulkan Crash with subdiv 12 cube due to out of GPU memory [3a16f3b45fe]
• WoA Vulkan: Unsupported Image format [4a1078b3dea]
• Mesh analysis crashes blender when there are instances [6e3b483c6d5]
• Vulkan 'Red dot' during edge slide is invisible [283a267c137]
• WM Lock interface option causes corruption or black framebuffers when resizing the window while rendering [282d703f6bc]
• Vulkan Garbage collection doesn't happen when main thread is blocked [5d0d54cc811]
• Vulkan Depth too large errors when using Zoom Region [de19775ab34]
• UI Some buttons are black when Blender has a secondary window and animation is playing [8768e8553dc]
• GPU module, custom shader has a compilation error in 4.4 on macOS [16aee8efff6]
• Vulkan UV Display Issues When Selecting Specific Mesh Regions [78170cbf90b]
• Resizing render region in EEVEE can cause a crash [239eb386ff6]
• Vulkan Visual artifacts when resizing floating window [3b3cab471ab]
• Vulkan Using compositor results in artifacts [b81fcb95923]
• Face dots visible outside Clipped Region [e7b630e6ef0]
• Vulkan Crash changing area size [db10854e3c8]
• Sculpt mode crash with certain mesh [b3732f057e2]
• Edit Mode Curves display in front of meshes in 4.4 [669a51904ed]
• Geometry Nodes / Eevee - crash when rendering points with volume shader and no geometry [c5e9bc41137]
• Vulkan Camera Background Image Movie Clip Not displaying [098990b1725]
• Orthographic Scale Adjustment Incorrectly Affects Background Image Offset in Camera View [1a96c310d82]
• Vulkan Line and Point Size Not Applying in GPU Module [41a69b76a69]
• EEVEE Difference in Lightprobe Volume Bake between macOS version [64399ddfcd7]
• Transparent meshes hide overlays in Cycles [954f7b0965e]
• Vulkan Missing Anti-Aliasing on the RGB Wheel [d4986be082d]
• Vulkan CPU Memory usage climbs with each render [f6a8993570e]
• Cycles ignores occlusion when drawing Grease Pencil objects in the viewport [417ffa8f546]
• Regression GPU subdivision - Mesh does not immediately count viewport statistics [a00885666be]
• Zooming in on object cause crash [8b60a654665]
• Mesh Selection Visibility when using the Solidify Modifier [4e13fd47125]
• When using "Holdout", the material mode is adjusted to "Render Method" -> "Blender", and the color still exists during rendering. [f933282ed56]
• Vulkan CPU Memory usage climbs with each render [13d6ba1f62d]
• Vulkan Crash due to slow memory leak [5102f33ef9d]
• Regression Curve sculpt overlay viewport shading issue [719351a9e69]
• Vertex Flickering in X-Ray View [aafd5b677ad]
• Vulkan Crash due to slow memory leak [3c70758f00e]
• Vulkan Blender does not start with Wayland in GNOME [44444a550ed]
• Vulkan memory leak while resizing view-port [5cb2b04c5c7]
• Intel OpenGL: Camera gizmo can not be shifted with gizmo while Drag Select box is active [056fa85699a] - Backported to 4.2.10 and 4.4.1
• Blender 4.4 crash on Mac arm64 trying to draw an empty batch for shader [b06223d8656] - Backported to 4.4.1
• UV maps can render incorrectly in certain situations [4b2cbf5d6f1] - Backported to 4.4.1
• Missing Thumbnails in Image Selector When Switching to Workbench Engine [f13bf270c6f]
• Vulkan - Reopen the Prefrences window when it is minimized crash the Blender [b3c4190cf7f]
• wireframe_color_type in a new window [e348b463078]
• [4.3 -> 4.4 Regression] Hard Crash when second UV Map has big Islands [9181485931e] - Backported to 4.4.1
• Edges become occluded in Edit Mode when they line up with the viewport grid [8f63f509b6d] - Backported to 4.4.1
• Motion path keyframe number not showing on bones [48f2028687d] - Backported to 4.4.1
• Shadow Loss on Non-manifold Meshes in Solid Viewport Mode with Backface Culling Enabled [8b831be87fe] - Backported to 4.4.1
• Cannot select objects inside View Clipping Region (ALT+B) [eaea129e90c] - Backported to 4.4.1
• Orbit & Pan Auto Depth affected by transparent geometry when Viewport Shading is set to Material Preview or Rendered [4fb3edd488c] - Backported to 4.4.1
• ERROR (gpu.shader): gpu_shader_2D_widget_base FragShader [2f41aa6a525] - Backported to 4.4.1
• Difficulty to select pose bones when in Weight Paint mode [32fe65dc9b1] - Backported to 4.4.1
• Blender 4.4.0 Reference images draw in front of meshes while render engine is set to Cycles [463ea020e46] - Backported to 4.4.1
• Vulkan Incorrect display of lines in Polyline Trim tool in Sculpt mode [5a3fd4522c9]
• EEVEE reflection plane renders incorrectly in a specific file with specific settings [f3736aa7af1]