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7000.0.0a11100 shown
Fixed a bug in which the code generated by a SubGraph node used unnecessary implicit precision casts.
ShadergraphFixUUM-152454
Fixed the "implicit truncation of vector type" compiler warning in the Shader Graph Custom Lighting samples.
ShadergraphFixUUM-155156
Fixed the Gradient Editor window reopening by itself after undoing an edit to a gradient on a Shader Graph node input port.
ShadergraphFixUUM-152938
Fixed a crash due to an out-of-range value being supplied to Shader global property APIs.
ShadersFix
Fixed a crash when executing a RenderingCommandBuffer with a SetKeyword on a null or destroyed material.
Linked bug report
UUM-157105: Crash on PPtr<Shader>::operator Shader * __ptr64 when updating a CommandBuffer keyword on a non-existent Material

How to reproduce: Open the attached “IN-155877” project Run the test (Repro > “CommandBuffer.EnableKeyword(null Material) - crashes Editor”) Observe the crash Reproducible with: 6000.0.0f1, 6000.0.85f1, 6000.3.26f1, 6000.6.6f1, 6000.7.0b5, 7000.0.0a8 Reproducible on: Windows 11 Not reproducible on: No other environments tested Notes: Reproducible using CommandBuffer.EnableKeyword / .DisableKey…

Retrieved 2026-11-11
ShadersFixUUM-157105
Fixed a possible Editor crash when several graphics jobs requested the same warmed-up shader variant at the same time.
ShadersFix
Fixed a rare crash when doing a build.
Linked bug report
UUM-148715: Crash on ShaderCompilation::TransientData::StripPasses when compiling the Player with a specific shader

How to reproduce: Open the attached “IN-148935” project Navigate to File > Build and Run Observe the crash Reproducible with: 6000.3.0a1, 6000.3.21f1, 6000.5.6f1, 6000.6.0b6, 6000.7.0a4 Not reproducible with: 6000.2.0b2 (d4c40f50eb81), 6000.0.80f1 Reproducible on: Windows 11 Not reproducible with: No other environments tested First few lines of the stack trace: 0x00007FF950327C45 (Unity) Shade…

Retrieved 2026-11-11
ShadersFixUUM-148715
Fixed default-created LocalKeyword and LocalKeywordSpace field access crashing the Editor.
Linked bug report
UUM-156424: Crash on LocalKeyword_CUSTOM_IsDynamic when accessing members of a default LocalKeyword or LocalKeywordSpace struct

How to reproduce: 1. Open the attached “IN-155876“ project 2. In the top Menu bar, press “Repro” > any option from 1-5 3. Observe the crash Reproducible with: 6000.0.10f1, 6000.0.84f1, 6000.3.26f1, 6000.6.6f1, 6000.7.0b4, 7000.0.0a8 Reproduced on: Windows 11 Not reproduced on: No other environment tested First few lines of the stack trace: 0x00007FFD8C910438 (Unity) LocalKeyword_CUSTOM_IsDynam…

Retrieved 2026-11-11
ShadersFixUUM-156424
Fixed shaders in the Editor rendering with the magenta error shader for the whole session when the startup shader warm-up missed the shader cache, which happened with the experimental shader variant data after an Editor update or a colour space change.
ShadersFix
Fixed the GRD-GPUOCC kernel shader warnings
ShadersFixUUM-156588
Fixed the missing transpose in the float2x4 DOTS instancing loader.
ShadersFixUUM-147444
Fixed the read overlap in the float2x4 DOTS instancing loader.
ShadersFixUUM-146222
Shader preprocessor now handles short-circuiting evaluation.
ShadersFixUUM-135082
Fixed Editor source builds failing on machines that use the Turkish region format.
Source Code BuildFixUUM-154501
Added a dedicated alpha upscale pass to preserve the alpha channel of the camera output.
SRP CoreFixUUM-135242
Added a Hide/Show Overlays button to the Rendering Debugger, which temporarily hides all active debug overlays without losing the current selection.
SRP CoreFixUUM-150066
Fixed a recurring GC allocation during Camera.Render caused by the GPU Resident Drawer.
SRP CoreFixUUM-151785
Fixed an Editor crash caused by a stack overflow when displaying Volume components that expose events, such as the URP Screen Space Reflection and Surface Cache GI overrides.
SRP CoreFixUUM-153887
Fixed exceptions thrown in the Inspector when adding a Light Anchor component while no Game View is open.
Linked bug report
UUM-153999: Adding a Light Anchor component throws an exception when no Game View is open

Steps to reproduce: Create a new URP 3D project via Unity Hub Close every open Game View tab/window. Create a GameObject, select it, and add a Light Anchor component via the Inspector's Add Component button Actual results: The Console immediately logs an InvalidOperationException: "Sequence contains no elements", thrown from LightAnchorEditor.OnEnable - then cascades into repeated NullReferenc…

Retrieved 2026-11-11
SRP CoreFixUUM-153999
Fixed help boxes that have a Fix button in Render Pipeline Core, URP and HDRP inspectors using a larger icon and different text alignment than regular help boxes.
SRP CoreFix
Fixed pass names in the Render Graph Viewer rendering as low-quality Bitmap text when the Editor Default Text Rendering Mode preference was set to Bitmap; they now always use SDF rendering.
SRP CoreFixUUM-151562
Fixed render passes not being merged on older iOS devices (Apple GPU family 3 and below) once a native pass was considered to be over the on-tile pixel storage limit, which serialized the whole frame into one native pass per render pass.
Linked bug report
UUM-148865: Render Graph fails to batch some passes when running on iPhone's with PowerVR GPUs

How to reproduce: 1. Open the attached “IN-149334” project 2. Open Build Profiles, File > Build Profiles 3. Switch to iOS profile 4. Enable Development Build 5. Build and Run for iOS 6. In Xcode select the device to deploy to and run the project 7. In the Editor, open Render Graph Viewer 8. Select the device in the drop down 9. Observe the Render Graph Viewer Actual result: Some passes are not…

Retrieved 2026-11-10
SRP CoreFixiOSUUM-148865
Fixed rendering corruption when using async compute with Render Graph, where a texture could be used from both the graphics and compute queues simultaneously.
Linked bug report
UUM-141896: Scene flickers with a green tint when using Screen Space Ambient Occlusion and Contact Shadows with raytracing

How to reproduce: 1. Open the attached “IN-141855” project 2. Build and Run the project 3. Observe the Player Actual result: Scene is flickering with a green tint Expected result: Scene is rendered normally Reproducible with: 6000.0.7f1 (7dd95c051e11), 6000.0.75f1, 6000.3.15f1, 6000.4.7f1, 6000.5.0b8, 6000.6.0a5 Not reproducible with: 6000.0.6f1 Reproducible on: Windows 11 Not reproducible on:…

Retrieved 2026-11-09
SRP CoreFixUUM-141896
Fixed rendering layer mask fields in the Rendering Debugger not listing rendering layers that were defined after the debugger was initialized.
SRP CoreFix
Fixed the Scan and Convert Assets buttons in the Render Pipeline Converter window being hidden when the window was narrower than its content.
Linked bug report
UUM-151491: Scan and Convert Assets buttons are hidden if scaling the window horizontally

Steps to reproduce: Download attached project and open in Unity Open Render Pipeline Converter window >> Windows >> Rendering >> Render Pipeline Converter. Resize the window horizntally. Actual results: Scan and Convert Assets buttons will be hidden once resizing the window. Sometimes even just opening the window makes the buttons hidden already. Expected results: Buttons should be anchored to…

Retrieved 2026-11-10
SRP CoreFixUUM-151491
Fixed Volume override Reset being overwritten by an in-progress, uncommitted field edit instead of resetting to the default value.
SRP CoreFixUUM-152522
Renamed the Volume override "Toggle All" and "Toggle None" actions to "Enable All" and "Disable All", and updated the ALL/NONE tooltips to match.
SRP CoreFixUUM-152524
Render Pipeline Converter - Disable foldout items if all child elements are disabled.
SRP CoreFixUUM-150182
Render Pipeline Converter - Keep state on assembly reloads.
SRP CoreFixUUM-149926
Render Pipeline Converter - Scan button is always enabled as user can re-scan the project.
SRP CoreFixUUM-151043
Fixed a crash in shadow culling when a render pass culled the same Camera a second time while a Terrain with Draw Instanced disabled was visible.
Linked bug report
UUM-151731: Crash on SendShadowCullingCallbacks when creating a new Terrain and entering the Play Mode

Reproduction steps: 1. Open the attached “BugRepro” project 2. Open the “Assets/Scenes/Prototype_Level2_NuclearEstate.unity“ Scene 3. Enter the Play Mode 4. Observe the Crash Reproducible with: 6000.3.23f1, 6000.5.11f1, 6000.6.0f1, 6000.7.0a6 Couldn't test with: 6000.0.83f1 (Could not resolve compilation errors) Reproducible on: Windows 11 Not reproducible on: No other environment tested Note:…

Retrieved 2026-11-10
TerrainFixUUM-151731
Fixed a crash when a script updates tree instances on a terrain whose tree prototypes cannot be instanced.
Linked bug report
UUM-150692: Crash on TreeRenderer::TreeUpdated when entering Play mode in a specific project

How to reproduce: 1. Open the attached “IN-150569” project 2. Open the “SampleScene” 3. Enter Play mode 4. Observe the crash Reproducible with: 6000.0.23f1, 6000.0.82f1, 6000.3.23f1, 6000.5.10f1, 6000.6.0b10, 6000.7.0a5 Could not test with: 6000.0.22f1 (could not solve errors from downgrading) Reproduced on: Windows 11 Not reproduced on: No other environment tested First few lines of the stack…

Retrieved 2026-11-10
TerrainFixUUM-150692
Fixed Create Neighbor Terrains copying only the first terrain layer onto the new neighbor tile.
TerrainFixUUM-151649
Fixed terrain painting being lost without any message when a new TerrainData was saved with AssetDatabase.CreateAsset after its terrain layers were assigned. A warning now explains the loss and how to avoid it.
TerrainFixUUM-155877
Fixed the Edit Tree, Edit Detail Mesh and Edit Grass Texture windows applying changes to a different prototype when another prototype was removed while the window was open.
Linked bug report
UUM-155483: The Edit Tree window overwrites a different tree prototype when another tree is removed while it is open

Steps to reproduce: Open the attached project Open Assets/Scenes/Wiz.unity Select the "WizTerrain" GameObject in the Hierarchy In the Inspector, click the "Paint Trees" button In the Trees section, select the second tree, "Tree1" Click "Edit Trees..." and select "Edit Tree". The Edit Tree window opens on Tree1 In the Edit Tree window, set "Bend Factor" to 0.999, but do NOT press Apply yet Leav…

Retrieved 2026-11-11
TerrainFixWindowsUUM-155483
Fixed the texture import warnings in the Terrain Layer Inspector being drawn over by the Color Tint, Opacity as Density and Normal Scale controls when using the Universal Render Pipeline or the High Definition Render Pipeline.
TerrainFixUUM-133166
Fixed trees placed above or below the Terrain surface moving onto it when SetHeights, SyncHeightmap, a height brush, painting holes or changing the Terrain size modified another part of the Terrain.
Linked bug report
UUM-137127: The snapToHeightmap parameter of the SetTreeInstances method is ignored when calling SetHeights on Terrain

How to reproduce: 1. Open the attached “IN-136057“ project 2. Open the “SampleScene“ scene 3. Enter Play mode 4. In the Game view, note the y-axis positions of the Terrain’s trees 5. In the Hierarchy window, select the “Reproduction“ GameObject 6. In the Inspector, open the Context Menu of the “Reproduction (Script)“ Component and select “Set Terrain Heights” 7. Repeat step 4 Actual result: Th…

Retrieved 2026-11-11
TerrainFixUUM-137127
Fixed a test run being executed a second time in the same Editor session when a domain reload happened immediately after the run finished, which can occur when a test changes the active build target.
Test FrameworkFix
Fixed play mode tests on a device stalling part way through a run when the screen went to sleep or the idle screen started, which deactivated the player and paused it.
Test FrameworkFixUUM-134050
Fixed tests inherited from a base class in another assembly being reported with the source file and line of an unrelated test.
Test FrameworkFix
Enabled CanCallNativeStaticLibrary test for tvos.
TestsFixtvOSUUM-153120
Fix QualitySettings test instability.
TestsFixUUM-151127
Fixed an instability in the terrain test on Macs.
TestsFixUUM-153508
Upgraded serialization of uGUI test texture metas.
TestsFix
Added support for the <pos> rich text tag in the Advanced Text Generator.
TextFixUUM-154252
Fixed a FreeType vulnerability (CVE-2026-23865) that could cause an out-of-bounds read when loading a malformed variable font.
TextSecurityUUM-140975
Fixed Advanced Text Generator rendering of hinted SDF font assets (SDFAA_HINTED) so glyph shapes and spacing match the standard TextMesh Pro generator.
TextFixUUM-154232
Fixed an out-of-bounds memory read when a TextMesh or legacy UI Text string ended with an unterminated quad tag parameter.
TextFixUUM-153129
Fixed an out-of-bounds memory read when a TextMesh or legacy UI Text string ended with an unterminated rich text tag.
TextFixUUM-153128
Fixed ATG line spacing so lines separated by a line break are spaced like wrapped lines, and the first and last lines are no longer offset by the font's line gap.
TextFixUUM-154035
Fixed the Font Asset Migration window not listing font assets imported while the window was open.
TextFixUUM-152589
Fixed dynamic font assets polluting the version control system.
TextCoreFixUUM-151582
Fixed the Font Asset Creator and Sprite Importer windows failing to reload and logging a serialization error when toggling UI Toolkit Live Reload.
Linked bug report
UUM-150353: Font Asset Creator and Sprite Importer windows throw Window serialization errors when enabling or disabling UI Toolkit Live Reload option

Steps to reproduce: Open the attached project Right-click on the Font Asset Creator window's handle Select the option to enable/disable the UI Toolkit Live Reload option Observe the Console window Actual results: "Window serialization will fail" error message is thrown every time the option is enabled/disabled Expected results: No warnings or Errors are thrown when enabling or disabling the UI…

Retrieved 2026-11-10
TextCoreFixWindowsUUM-150353
Fixed the font atlas of a dynamic Font Asset being included in a player build when the UI Builder was open during the build.
TextCoreFixUUM-149174
Added OS font fallbacks support to TextMeshPro. Characters that none of the assigned font assets contain are now rendered using fonts installed on the operating system.
TextMeshProFixUUM-154364
Bug "TextMeshPro input field doesn't remove characters from first backspace when variant characters are used with the input field
Linked bug report
UUM-140383: TextMeshPro input field doesn't remove characters from first backspace when variant characters are used with the input field

Steps to reproduce: 1. Open the attached project “IN-139093” 2. In the Project window, open “Assets” → “Scenes” → “SampleScene” 3. Enter Play mode 4. Press the “Button” in the center 5. Try deleting text from “TMP_InputField” 6. Observe the Game view Actual result: The first 2 character get changed before deletion (need 2 backspaces), but after that the other ones don’t have any visual change …

Retrieved 2026-11-09
TextMeshProFixUUM-140383
Fixed non-deterministic Addressables bundle hashes caused by a debug symbols pragma in the TMP mobile SDF shaders.
Linked bug report
UUM-153225: Debug pragma in stock TMP shader breaks determinism when building Addressables Asset Bundles

How to reproduce: 1. Open the attached “IN-154213.zip” Project 2. Open the Addressables Groups Window (Window → Asset Management → Adressables → Groups) 3. Build the Addressables (Build → New Build → Default Build Script) 4. Open the Adressables Report Window for the built process or manually find the built files in the Project Folder 5. Observe the .bundle file Hash and file sizes 6. Close th…

Retrieved 2026-11-10
TextMeshProFixUUM-153225
Fixed the caret not moving past an emoji with the arrow keys, and Backspace and Delete removing only half of an emoji, in a TextMeshPro Input Field with Content Type set to Password.
Linked bug report
UUM-155145: Caret does not move past an emoji when pressing the Right Arrow key in a TextMeshPro Input Field with Content Type set to "Password"

Steps to reproduce: Create a new Unity project using the Universal 3D template Create a TMP Input Field (GameObject > UI (Canvas) > Input Field - TextMeshPro) and click "Import TMP Essentials" in the TMP Importer window Select the "InputField (TMP)" GameObject in the Hierarchy In the Inspector window, set "Content Type" to "Password" and set "Text" to "😀ab" Enter Play mode Click the Input Fie…

Retrieved 2026-11-11
TextMeshProFixUUM-155145
Fixed the Editor freezing when a TextMeshPro text with a Content Size Fitter contained a hyphen preceded by a space at narrow widths.
Linked bug report
UUM-152921: Editor freezes when the Text of a TextMeshPro GameObject with a Content Size Fitter Component is changed to a string containing a hyphen preceded by a space

Reproduction steps: 1. Create a new project 2. GameObject > UI > Text - TextMeshPro 3. Press “Import TMP Essentials” button in TMP Importer window 4. Select the newly created “Text (TMP)” GameObject and set Width to 25 in the Rect Transform 5. Press “Add Component” button, add Content Size Fitter and set Vertical Fit to Preferred Size 6. Set the Text field to any two words (e.g. “text text”) a…

Retrieved 2026-11-10
TextMeshProFixUUM-152921
Moves essential TextMesh Pro resources from the TMP Essential Resources unity package to Packages/com.unity.ugui/Package Resources/
Fixed a SerializedObjectNotCreatableException error logged during domain reload while a Signal Receiver inspector exists.
TimelineFix
Fixed an issue where property changes were not correctly re-evaluated in the Timeline after being added.
Linked bug report
UUM-150294: Timeline does not re-evaluate Inspector property changes when that property is added after the the clip was selected

How to reproduce: Open the attached project “IN-151771” In the Project window, open the “Assets/Scenes/ArrayProperty/SampleScene_ArrayProperty” scene In the Hierarchy, select the “Director” GameObject In the Timeline window, select the first track In the Inspector, expand the “Multi Setting Timeline Clip” component so that the “Template → Values” array is visible Change the value on “Element 0…

Retrieved 2026-11-10
TimelineFixUUM-150294
Fixed an issue where scrubbing the timeline while in recording mode could trigger additional graph rebuilds
Linked bug report
UUM-150705: Editor performance drops significantly when dragging the Timeline playhead over a specific clip with the Inspector open

How to reproduce: Open the attached project “IN-152135” In the Project window, open the “Assets/Scenes/AnimatedProperty/SampleScene_AnimatedProperty” scene Ensure that the Inspector, Timeline and Profiler windows are visible on screen In the Hierarchy, select the “SuperDirector” GameObject In the Timeline window, select the last “Setting” clip Ensure that the target mode in the Profiler window…

Retrieved 2026-11-10
TimelineFixUUM-150705
Fixed timeline preview ownership
TimelineFixUUM-137833
Fixed Timeline window and its assets staying loaded after a scripting domain reload.
TimelineFix
Fixes clips with identical start time could have their order swapped when new clips are added or existing clips start times are modified.
TimelineFixUUM-145582
Allows LayoutElement to restore previously used float value when disabling and re-enabling a property.
Linked bug report
UUM-144461: "Layout Element" Component's fields don't preserve the values after reenabling the parameters

How to reproduce: 1. Create a new Unity project 2. In the Hierarchy, right-click -> UI (Canvas) -> Text (TextMeshPro) 3. In the Inspector, click Add Component -> Layout Element 4. Enable any field and enter the custom value 5. Disable the field 6. Reenable the field and observe the value Expected results: The previous custom value is preserved Actual results: The previous custom value is not p…

Retrieved 2026-11-12
uGUIFixUUM-144461
Bug IndexOutOfRangeException is thrown when exiting Prefab mode and then Play mode.
uGUIFixUUM-150797
Fixed an issue where UI elements, such as Sliced and Tiled Images and Text, were not updated when the Canvas Reference Pixels Per Unit, Scale Factor, Pixel Perfect or Render Camera changed after they were first drawn.
Linked bug report
UUM-151004: Sliced Image renders with incorrectly scaled borders when "Canvas.referencePixelsPerUnit" changes after the mesh is built

Reproduction steps: Open the attached "IN-152321" project Open the "Assets/SampleScene.unity" scene Enter Play Mode In the Game view, click the "G REPRODUCE - scaler applies refPPU late" button Observe the red shape in the top-right of the Game view and the Console window Actual result: The shape renders as two end caps meeting in the centre. The last mesh build in the Console reports "refPPU=…

Retrieved 2026-11-11
uGUIFixUUM-151004
Fixed Blocking Objects raycasts in GraphicRaycaster being silently skipped in IL2CPP builds due to code stripping.
uGUIFixUUM-145465
Fixed crash when calling SetSecondaryTexture/Size with invalid index.
Linked bug report
UUM-154589: Crash on CanvasRenderer::SetSecondaryTexture when the index was not allocated by SetSecondaryTextureCount

Steps to reproduce: Open the attached project (CanvasSecondaryCrash.zip) in 6000.3.24f1, 6000.6.3f1, 6000.7.0b2 or 7000.0.0a1. Select Bug > "Control - allocate 2 slots first, then index 0 and 1". Observe "CONTROL OK" in the Console; the Editor is fine. Select Bug > "Crash - SetSecondaryTexture(0) on a fresh CanvasRenderer". Actual result: The Editor process terminates with SIGSEGV inside UI::C…

Retrieved 2026-11-10
uGUIFixUUM-154589
Fixed RectMask2D softening the edges of clipped content when its softness is zero
Linked bug report
UUM-150815: Edges are softened when a RectMask2D with 0 softness is used

How to reproduce: Open the attached project “IN-152255” Open the “Assets/Scenes/RectMask2D_ClipEdgeAA“ scene Enter Play Mode Observe the Game View Actual result: Edges on the left most square are not white Expected result: Edges on all squares are white Reproducible with: 6000.0.0f1, 6000.0.82f1, 6000.3.23f1, 6000.5.11f1, 6000.6.0f1, 6000.7.0a6 Reproducible on: macOS 26.5.2 (M4 Max) Not reprod…

Retrieved 2026-11-10
uGUIFixUUM-150815
Fixed the BaseInput component's help button opening a documentation page that doesn't exist.
Linked bug report
UUM-143300: A broken core manual link opens when clicking the Inspector Help (?) button on the BaseInput script

How to reproduce: Open the attached "IN-143718_LinksRepro" project Open the “OutdoorsScene“ scene (Assets/OutdoorsScene) Select the "BaseInput" GameObject inside the Hierarchy Click the "?" button in the "Base Input (Script)" script Observe the opened missing documentation page Actual result: "Sorry... that page seems to be missing!" page is opened Expected result: The button opens the valid B…

Retrieved 2026-11-12
uGUIFixUUM-143300
Use AssetPostprocessor.OnProcessScene instead of IProcessSceneWithReport
uGUIFix
Adding a Standard Element from the GameObject menu now adds it to the UXML Template GameObject set as Default Parent instead of creating a new one.
UI ToolkitFixUUM-151620
Changed the Grid section's Flow, Justify Items and Justify Self options to be icons instead of text.
UI ToolkitFixUUM-154166
Fixed "Accessing invalid property" errors in the Console when discarding UI asset changes while one of the asset's elements was selected.
UI ToolkitFixUUM-153242
Fixed "Create Template..." in the UI Viewport not carrying the element's name over to the new template instance, which broke USS selectors and UQuery lookups targeting that name.
UI ToolkitFixUUM-151671
Fixed "Create Template..." in the UI Viewport silently overwriting a UXML file that the selected element instantiates, which destroyed the file's contents through a circular reference.
UI ToolkitFixUUM-151655
Fixed "display: grid" elements ignoring their own min-width, min-height, max-width, and max-height when their size is content-based.
UI ToolkitFix
Fixed "display: grid" elements placing centered or end-aligned tracks outside the container when a maximum size makes it smaller than the available space.
UI ToolkitFix
Fixed "fr" and stretched "auto" grid tracks not expanding into the space granted by the grid container's min-width or min-height when the container is otherwise sized by its content.
UI ToolkitFix
Fixed "fr" grid tracks in a content-sized grid container expanding to fill the available space instead of sizing to their content.
UI ToolkitFix
Fixed "fr" grid tracks whose flex factors sum below 1 taking all of the free space instead of their fraction of it.
UI ToolkitFix
Fixed "Give this element a name" in the Inspector Overrides menu doing nothing for an unnamed element from a nested UXML document in a UI stage.
UI ToolkitFixUUM-157281
Fixed "Invalid value for image texture Keyword" warnings being logged when a stylesheet sets the --unity-image custom property to none.
UI ToolkitFixUUM-153254
Fixed "minmax()" grid tracks staying at their minimum size when the same axis also contains an "fr" track.
UI ToolkitFixUUM-150538
Fixed "Property is not associated with a valid UXML attribute description." errors when selecting a read-only element in the UI Viewport with two Inspector windows open.
UI ToolkitFixWindowsUUM-155032
Fixed "Unpack Template" in the UI Viewport discarding attribute overrides that target elements inside nested template instances.
UI ToolkitFixUUM-151606
Fixed a "SelectorAccelerationCache: association already exists" error being logged when a style sheet is attached to a UI Document both directly and through @import.
Linked bug report
UUM-151721: "SelectorAccelerationCache ... association already exists" error is thrown when a style sheet is attached to a UI Document both directly and through @import

How to reproduce: Open the attached “IN-152893” project In the Project tab, open the “Assets/UI/Documents/Element1.uxml” Close the UI Builder window In the Project tab, open the “Assets/UI/Documents/Empty.uxml” Observe the result in the Console of the Unity editor Actual result: Error "SelectorAccelerationCache: Assets/UI/Styles/Unknown.uss / 22122:132272389 association already exists" is thro…

Retrieved 2026-11-10
UI ToolkitFixUUM-151721
Fixed a crash in NativeSelectorMatcher when a StyleSheet asset containing a malformed style value was deleted while a VisualElement still referenced it.
UI ToolkitFixUUM-153734
Fixed a crash when a UXML file instantiates a template that instantiates it back.
UI ToolkitFixUUM-155265
Fixed a crash when the Editor sat idle in UI Staging Mode with filters applied to an element.
UI ToolkitFixUUM-156183
Fixed a custom cursor image flickering or reverting to the default cursor when hovering UI in the UI Viewport preview.
UI ToolkitFixUUM-149387
Fixed a duplicated element being given the same authoring ID as the original, which caused an error when the UXML file was reimported.
UI ToolkitFixUUM-151460
Fixed a dynamic height ListView leaving the last row unreachable after reordering a row to the end of a scrolled list.
UI ToolkitFixUUM-150963
Fixed a Gradient UXML attribute loading with different alpha values after saving when an alpha key had a very large value.
UI ToolkitFixUUM-157201
Fixed a hex or named color being lost from a UXML Color list attribute when an rgb() color follows it.
UI ToolkitFixUUM-157401
Fixed a localization table file being read as an empty table without an error when its member names didn't match the expected casing.
UI ToolkitFixUUM-151769
Fixed a localization table file written by a newer version of Unity being read as if it were the current format.
UI ToolkitFixUUM-151772

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