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Fixed the Panel Renderer Inspector not showing World-Space values after Undo.
Linked bug report
UUM-154985: World Space Panel Renderer Inspector does not refresh when undoing a change

Steps to reproduce: Create a new Unity project using the Universal 3D template Create a new Panel Settings asset (Assets > Create > UI Toolkit > Panel Settings) Select the "Assets/New Panel Settings.asset" asset in the Project window Change Render Mode to "World Space" in the Inspector window Create a new Panel Renderer GameObject in the Hierarchy window (Right-click > UI Toolkit > Panel Rende…

Retrieved 2026-11-10
UI ToolkitFixUUM-154985
Fixed the Select GameObject window silently ignoring Prefab picks in a second Inspector after swapping between Prefabs with different components.
Linked bug report
UUM-154149: "Select GameObject" window silently stops applying prefab selections when swapping between prefabs with different components in specific Inspectors

How to reproduce: Open the attached "IN-153731_repro.zip" project Open the “Main” scene Select the "GameObject 1" instance in the Hierarchy tab In the right-side Inspector tab, click the circle icon next to the Prefab field to open the Select GameObject window In the “Select GameObject” window, click "GameObject 2", then "GameObject 1", then "GameObject 2" (three clicks in total) Observe the p…

Retrieved 2026-11-10
UI ToolkitFixUUM-154149
Fixed the startup locale ignoring the region and script reported by the device, so a device set to Traditional Chinese no longer starts in Simplified Chinese.
UI ToolkitFix
Fixed the Style Sheets window so that it now displays all of its content when it loads.
Linked bug report
UUM-145634: Newly added selectors are not displayed in the docked Style Sheets window when re-entering in-context UXML editing until the cursor hovers over the window

Steps to reproduce: Create a new URP project In the Hierarchy, right-click and select UI Toolkit > Standard Elements > Visual Element Observe UI Viewport and Style Sheets windows open Dock the Style Sheets window in the Editor In the Style Sheets window, create a new selector (with a new StyleSheet) Create another selector with any name Save (Cmd+S) and exit in-context UXML editing Re-enter in…

Retrieved 2026-11-09
UI ToolkitFixUUM-145634
Fixed the stylesheets window not rendering style rules when an invalid rule is present.
UI ToolkitFixUUM-154335
Fixed the ToggleButtonGroup value wrap when 8 or more buttons are present.
Linked bug report
UUM-149531: Toggle Button Group Element’s Value field cuts off the last visible value and the remaining values are unreachable at any Inspector width

Reproduction steps: 1. Create a new project 2. Create > UI Toolkit > UI Document 3. Double-click the newly created Asset to open UI Builder window 4. Drag and drop Toggle Button Group Element into the Hierarchy 5. Drag and drop 9 or more Button Elements into the Toggle Button Group Element 6. Select the Toggle Button Group Element and observe the Value field in the Inspector 7. Resize the Insp…

Retrieved 2026-11-09
UI ToolkitFixUUM-149531
Fixed the Transition Animations remove button staying disabled after undoing a transition reset.
UI ToolkitFixUUM-145783
Fixed the UI Builder Background Size Height field staying disabled after changing or undoing the Scale Mode.
UI ToolkitFixUUM-137805
Fixed the UI Builder data source path picker listing paths as compatible through a converter that takes a base type, such as System.Object.
UI ToolkitFixUUM-156729
Fixed the UI Builder Set Variable list on a selector not showing variables declared in another USS file on the same UXML.
UI ToolkitFixUUM-148120
Fixed the UI Builder ListView rendering as a solid black rectangle after docking the window to another panel.
Linked bug report
UUM-130011: ListView element is rendered in solid black after docking if UI Builder window was already opened prior to project launch

Steps to reproduce: Open the attached project Open the NewUXMLTemplate.UXML asset in UI Builder Observe that the ListView element is rendered normally Dock the UI Builder window to another panel Observe the ListView element again Actual results: The ListView element is rendered in solid black after redocking the UI Builder window Expected results: The ListView element is rendered the same way …

Retrieved 2026-11-09
UI ToolkitFixUUM-130011
Fixed the UI Library not displaying UXML files.
UI ToolkitFixUUM-146352
Fixed the UI Toolkit Debugger picking elements from a hidden UI Viewport tab instead of the Game View content under the cursor.
UI ToolkitFixUUM-152888
Fixed the UI Toolkit editing stage opening while the legacy Hierarchy was in use, which left the Hierarchy window empty or showing the wrong scene.
UI ToolkitFixUUM-156413
Fixed the UI Toolkit ExposedReference drawer applying every change to the last field it drew, so that only one of several ExposedReference fields shown at the same time could be assigned.
UI ToolkitFixUUM-151893
Fixed the UI Viewport opening its context menu when a zoom drag is released, and leaving click selection stuck afterwards.
UI ToolkitFixUUM-151195
Fixed the UnityEvent Inspector keeping the argument field after switching the function to a different variant.
Linked bug report
UUM-142971: UnityEvent Inspector retains argument field after switching the function to a different variant

Steps to reproduce: Open the "StaleArgument.zip" project Open "SampleScene" Select the "UnityEventStaleArgRepro" GameObject In the Inspector, in the function dropdown select UnityEventStaleArgRepro > SetValue (at the top of the list) Observe the float field below the dropdown Actual results: the float field is still visible Expected results{}: the float field is hidden Reproducible with versio…

Retrieved 2026-11-09
UI ToolkitFixUUM-142971
Fixed the USS import error for a nested style rule quoting a selector that is not in the file.
UI ToolkitFixUUM-157331
Fixed the UXML asset preview rendering after its asset was deleted.
Linked bug report
UUM-147940: "SoftDelete" warning is thrown and Editor freezes when deleting a UXML Asset via keyboard shortcut

Steps to reproduce: 1. Open the attached Unity project “ConsoleWarnings.zip” from provided Google Drive link 2. Clear warnings and errors in the Console window once project is open 3. Select New UXML Asset in the Project window 4. Press delete with keyboard shortcut multiple times 5. Observe the Editor and Console window Actual results: “The operation "SoftDelete" cannot be executed because th…

Retrieved 2026-11-10
UI ToolkitFixUUM-147940
Fixed the UXML file being marked as having unsaved changes after canceling a rename in the UI Builder Hierarchy.
Linked bug report
UUM-139551: UXML gets dirty when canceling the renaming action in UI Builder

Steps to reproduce: Create a new project Create and open a new UI Document Add a VisualElement to the Hierarchy Press F2 to rename the element Press ESC to cancel the renaming action Observe the .uxml header Actual results: The file is dirty Expected results: The file is not dirty Reproducible with versions: 2023.1.0a10, 6000.0.72f1, 6000.3.13f1, 6000.4.3f1, 6000.5.0b4, 6000.6.0a2 Tested on (O…

Retrieved 2026-11-09
UI ToolkitFixUUM-139551
Fixed the Variables section not refreshing after using Unset All.
UI ToolkitFixUUM-148055
Fixed the Variables section not showing the override indicator bar, on both the foldout and the variable row, in the UI Builder and the Inspector.
UI ToolkitFixUUM-137531
Fixed the DropdownField element ignoring the index attribute set in UXML.
Linked bug report
UUM-150530: DropdownField defined in UXML does not apply the "index" attribute when entering Play Mode

How to reproduce: 1. Open the attached “IN-151689_UIToolkit_DropdownField_InitialValueRepro” project 2. Open the “TestScene" scene 3. Enter Play Mode 4. Observe the diagnostics label in the Game view Actual result: Both tests fail with both test indexes returning -1 Expected result: Both tests succeed with correct indexes being returned Reproducible with: 6000.6.0a5, 6000.6.0b10, 6000.7.0a5 No…

Retrieved 2026-11-10
UI ToolkitFixUUM-150530
Fixed toggling 'Editor Extension Authoring' in UI Builder not marking the document as having unsaved changes, which caused the change to be lost on close.
Linked bug report
UUM-144926: Toggling 'Editor Extension Authoring' doesn't dirty the UXML but its state depends on how it was previously saved

Steps to reproduce: Create and open a new project Create a new UXML and open it in UI Builder Enable 'Editor Extension Authoring' on the root element Add a new element to the UI Builder Hierarchy (to dirty the UXML) Save the changes and close the UI Builder Open the UXML again and observe the 'Editor Extension Authoring' (it should be enabled) Disable 'Editor Extension Authoring' Close the UI …

Retrieved 2026-11-09
UI ToolkitFixUUM-144926
Fixed transition-delay being ignored when opacity is listed before scale in transition-property.
Linked bug report
UUM-135074: Transition delay is ignored when opacity is listed before scale in transition-property of the Styles.uss file

How to reproduce: 1. Open the attached “IN-134445” project 2. Open the scene “SampleScene” 3. Enter Play mode 4. Press the green "Toggle UI Animations" button 5. Observe the Game View Actual result: “FadeIn” animation is delayed on labels that have "style first” in the text Expected result: “FadeIn” animation is delayed on both labels that have "style first” and "opacity first” in the text Rep…

Retrieved 2026-11-09
UI ToolkitFixUUM-135074
Fixed TreeView drag and drop operation is not being cancelled when a modal opens over it.
UI ToolkitFixUUM-111185
Fixed UI being stuck to the viewport window when panning the UI Viewport opened via Open In Context.
UI ToolkitFixUUM-145580
Fixed UI Builder adding a duplicate attribute to Attribute Overrides when editing an override on an element whose name contains a space, which made the UXML file invalid.
Linked bug report
UUM-149755: UI Builder appends a duplicate attribute in AttributeOverrides when re-editing an override on an element whose name contains a space

How to reproduce: Open the attached "IN-148895" project Open "Main.uxml" in UI Builder In the UI Builder Hierarchy, expand "Main.uxml">"TemplateContainer" and select the "Thin g" element In the UI Builder Inspector set "Title Text Size" attribute to any value and press Ctrl+S Change "Title Text Size" attribute to a different value and press Ctrl+S Observe the Console window and “Main.uxml” cod…

Retrieved 2026-11-11
UI ToolkitFixUUM-149755
Fixed UI Builder keeping discarded style sheet changes after going back more than one level from a template opened in context.
UI ToolkitFixUUM-153328
Fixed UI Builder marking the UXML and USS files as unsaved when it discarded an invalid or empty rename.
UI ToolkitFixUUM-154717
Fixed UI failing to render on OpenGL ES and WebGL 2.0 devices when the UI shader exceeded the platform's vertex uniform limit.
UI ToolkitFixWebGLUUM-149277
Fixed UI Toolkit Debugger world-space overlays.
Linked bug report
UUM-145537: UI Toolkit Debugger cannot highlight world-space elements (highlight + layout)

Steps to reproduce: Create a world-space UI Toolkit setup Open the UI Toolkit Debugger Actual results: Highlighting/layout an element in the debugger doesn't show in the Scene Expected results: It should highlight the element Reproducible with versions: Not reproducible with versions: Can’t test with versions: Tested on (OS): Notes:

Retrieved 2026-11-09
UI ToolkitFixUUM-145537
Fixed UI Toolkit panels not receiving pointer events after a script reload in Play mode when the scene has an EventSystem.
Linked bug report
UUM-156105: UI stops receiving pointer events after an assembly reload when using InputSystemUIInputModule

How to reproduce: Open the attached “IN-155070” project Enter Play mode Interact with the UI elements in Game view In the Project window select the “RandScript“ script and reimport it Try interacting with the UI elements in Game view again Observe the UI elements Actual result: After reimporting a script you can’t interact with the UI elements Expected result: You can interact with UI Elements…

Retrieved 2026-11-11
UI ToolkitFixUUM-156105
Fixed undo not removing a style class from an element that has other classes.
UI ToolkitFixUUM-153885
Fixed undo related error after undoing a Style Sheet selector drag operation.
Linked bug report
UUM-145619: "SelectorAccelerationCache ... change was not notified" error is thrown and the StyleSheet disappears when undoing twice after applying a dragged selector

Steps to reproduce: Create a new URP project In the Hierarchy, right-click and select UI Toolkit > Standard Elements > Visual Element Observe UI Viewport and Style Sheets windows open In the Style Sheets window, create a new selector (with a new StyleSheet) Drag the selector onto the Visual Element Save (Cmd+S) Click Undo twice (Cmd+Z) Observe the Console and Style Sheets window Actual results…

Retrieved 2026-11-09
UI ToolkitFixUUM-145619
Fixed unpacked template elements losing their inline styles in UI Builder when Unpack Instance is undone and redone.
UI ToolkitFixUUM-155125
Fixed unqualified Style and AttributeOverrides tags being flagged as not allowed when validating a UXML file against the generated schema.
Linked bug report
UUM-145780: UXML Style/Template/Instance tags are flagged as not allowed when validating against the generated XML schema

How to reproduce: Open the attached "IN-145890_xsderror" project Open Assets\SchemaBugTest.uxml in Rider Observe the Problems window Actual result: <Style>, <Template> and <Instance> are flagged "not allowed" under <UXML> - the generated UXMLType schema doesn't permit them Expected result: No errors are thrown Reproducible with: 6000.0.0f1, 6000.0.78f1, 6000.3.18f1, 6000.5.1f1, 6000.6.0b1, 600…

Retrieved 2026-11-09
UI ToolkitFixUUM-145780
Fixed unset attributes on Multi Column List View and Multi Column Tree View reverting to type default values when the .uxml is saved in in-scene UI Authoring.
Linked bug report
UUM-148774: Unset attributes on Multi Column List View and Multi Column Tree View revert to type default values when the .uxml is saved in in-scene UI Authoring

Steps to reproduce: Create a new Unity project using the Universal 3D template Right-click in the Hierarchy > UI Toolkit > Standard Elements > UI Library Double click the "Multi Column List View" or "Multi Column Tree View" to add it and save the .uxml in project In the Inspector, observe that Stretch Mode is "Grow And Fill" and that Reorderable and Resizable are enabled Expand the Columns > C…

Retrieved 2026-11-10
UI ToolkitFixUUM-148774
Fixed USS files and UXML inline styles losing all of their styles when a declaration ended with an extra semicolon.
UI ToolkitFixUUM-157228
Fixed UXML asset corruption and import errors when selecting a built-in resource as a binding Data Source.
Linked bug report
UUM-137273: UXML file gets corrupted and "Assertion failed" errors when selecting incompatible asset with Advanced Object Selector in UI Builder "Data Source" Object

Steps to reproduce: Create a new project using Universal 3D template Go to Edit > Preferences > Search and change the "Object Selector" dropdown from "Classic" to "Advanced" Create a new UXML Document asset and open it in UI Builder Add a Visual Element to the Hierarchy In the Inspector, in Bindings foldout, click on the "None (Scriptable Object) object picker Select any incompatible item, for…

Retrieved 2026-11-09
UI ToolkitFixUUM-137273
Fixed UXML changes saved in UI Builder not appearing in the Game view for a Panel Renderer after Play mode was entered and exited.
Linked bug report
UUM-149762: Saved UI Document changes are not reflected in the Game view when Play mode has been entered and exited

Steps to reproduce: Create a new project using 3D URP project In the Hierarchy, create a Panel Renderer Create a new UI Document and assign it to Panel Renderer Component Open the .uxml in UI Builder Add any well visible element (e.g. Button) Save and observe the element appears in Game view Enter and exit Play mode Add another element, duplicate the same or make any visible change in UI Build…

Retrieved 2026-11-10
UI ToolkitFixUUM-149762
Fixed UXML Style, Template and Instance tags being incorrectly flagged as not allowed when validating against the generated XML schema.
Linked bug report
UUM-145780: UXML Style/Template/Instance tags are flagged as not allowed when validating against the generated XML schema

How to reproduce: Open the attached "IN-145890_xsderror" project Open Assets\SchemaBugTest.uxml in Rider Observe the Problems window Actual result: <Style>, <Template> and <Instance> are flagged "not allowed" under <UXML> - the generated UXMLType schema doesn't permit them Expected result: No errors are thrown Reproducible with: 6000.0.0f1, 6000.0.78f1, 6000.3.18f1, 6000.5.1f1, 6000.6.0b1, 600…

Retrieved 2026-11-09
UI ToolkitFixUUM-145780
Fixed Vector and Rect fields growing wider than their container when a long value is typed into them.
UI ToolkitFixUUM-117525
Fixed VisualElements styled with -unity-material (and other asset-backed style properties such as background-image and -unity-font) rendering with the default shader (solid white) after the referenced asset's Addressables content was unloaded and reloaded.
Linked bug report
UUM-144652: USS materials in AssetBundles break due to InstanceID referencing a material that no longer exists when a Scene is loaded through Addressables for the second time

How to reproduce: 1. Open the attached “IN-145413_uitk_sg” project 2. Navigate to Window → Asset Management → Addressables → Groups 3. In the Addressables Groups window, click the “Play Mode Script” dropdown and select “Use Existing Build” 4. Click the “Build” dropdown and select “New Build” → “Default Build Script” (if “Addressables Build Report” pop-up appears, click yes) 5. When the build f…

Retrieved 2026-11-09
UI ToolkitFixUUM-144652
Fixed VisualTreeAsset preview texture from appearing black.
Linked bug report
UUM-148154: UXML preview shows only black background in the Inspector when any element has a Filter applied

Steps to reproduce: Create a new project Create a new UI Document and open it in UI Builder(Assets > Create > UI Toolkit > UI Document) Add a Button to the Hierarchy (or any other well visible element) Select it and in the Inspector, find the Filters foldout Click "+" to add a new filter function and select "Contrast" (or any other except "Custom") From the Project window, select the .uxml ass…

Retrieved 2026-11-10
UI ToolkitFixUUM-148154
Fixed warnings about invalid URIs being thrown when a UI Builder USS Variable of type Asset Reference is left empty.
UI ToolkitFixUUM-146117
Fixed warnings about invalid URIs being thrown when the UI Builder Material field is set to null.
UI ToolkitFixUUM-146118
Fixed white line artifacts in gradients that use the Mirror or Wrap address mode when Anisotropic Textures is set to Forced On in the Quality settings, and fixed incorrect rendering of the area before the gradient's start point.
Linked bug report
UUM-139509: White line visual artifacts are present in a Painter2D Gradient when the Gradient's AddressMode is set to Mirror

How to reproduce: 1. Open the attached “IN-138233“ project 2. Open the “SampleScene“ scene 3. Set the Game view resolution to 4k UHD and the scale to 2.3x 4. Enter Play mode 5. Observe the Gradient in the Game view Actual result: The Gradient has white lines in the middle of the Black Gradient stripes Expected result: The Gradient is mirrored without without white lines in the middle of the Bl…

Retrieved 2026-11-09
UI ToolkitFixUUM-139509
Fixed World Space UI not rendering in the Scene view immediately after changing a Panel Settings Render Mode.
Linked bug report
UUM-144940: UI Toolkit fails to render when any property in scene is modified prior to changing the Render Mode

Steps to reproduce: Open the "[Internal link]" project Open the "SampleScene" Select the Panel Settings in the Project and set the Render Mode to "Screen Space Overlay" Open Scene view Edit any in-scene GameObject's Transform in any way Select the Panel Settings again and in Inspector, change the Render Mode to "World Space" Observe the Scene view Actual results: The World Space UI doesn't get…

Retrieved 2026-11-09
UI ToolkitFixUUM-144940
Fixed InvalidCastException errors and an empty Inspector after unsetting a Data Source Type on a Visual Element.
Linked bug report
UUM-148143: “InvalidCastException” errors are thrown and the Inspector becomes empty/greyed out when a Data Source Type is selected and unset

Steps to reproduce: Create a new Unity project using the Universal 3D template Create a UI Toolkit Visual Element in the Hierarchy (UI Toolkit > Standard Elements > Visual Element) Enter editing stage Select "Type" under the Bindings in the Inspector Click the "Select Type..." button and choose any type Click the burger button and select "Unset" or "Unset All" Unselect the Visual Element in th…

Retrieved 2026-11-10
UI ToolkitFixUUM-148143
Fixed Painter2D and SVG strokes with a zero-length dash-pattern entry erroring instead of rendering, and made zero-length round-capped dashes render as dots.
Linked bug report
UUM-135766: Dash pattern SVG results in errors when any dash stroke argument is 0

How to reproduce: Create and open a new project Import into the project the “DashedBug.svg“ file Observe the Console Actual result: “All dash pattern values must be positives“ error is thrown, and the SVG is unusable Expected result: No errors are thrown, or a warning is thrown, but SVG is usable Reproducible in: 1.0.0-preview.13, 3.0.0-preview.2 (6000.3.1f1, 6000.4.0b1, 6000.5.0a3) Could not …

Retrieved 2026-11-09
UI ToolkitFixUUM-135766
Hid internal UIToolkit Authoring controls from UI Library.
UI ToolkitFixUUM-146175
Improved VisualElement.Add exception message when the element has no content container.
UI ToolkitFixUUM-147805
Made the Create > UI Toolkit asset menu item names and default file names consistent.
UI ToolkitFixUUM-133810
Parent template elements are no longer read-only after exiting context mode from a child template.
UI ToolkitFixUUM-145920
Prevent some rare crash in UI Toolkit when repainting windows during a domain reload.
UI ToolkitFixWindowsUUM-145384
Removed "No" option from some alert dialogs where it didn't apply.
UI ToolkitFix
Removed the "backdrop-filter" label from the UI Builder Visual Element Inspector.
Linked bug report
UUM-145495: "backdrop-filter" text is displayed above the backdrop filter list container for no reason

Steps to reproduce: Create and open a new project Create and open a new UXML file in UI Builder Drag a Visual Element into the UI Builder's Hierarchy In UI Builder's Inspector, expand the "Backdrop Filter" section Observe the UI Builder's Inspector Actual results: A random "backdrop-filter" text is displayed above the list container Expected results: Just a list container is displayed Reproduc…

Retrieved 2026-11-09
UI ToolkitFixUUM-145495
Renaming the document row in the Hierarchy now renames the corresponding .uxml asset.
UI ToolkitFix
Selecting "Custom Function" in the Backdrop Filter section of the Inspector no longer logs "Custom filters are not supported for backdrop-filter" warnings; the custom filter is now applied.
Linked bug report
UUM-148347: UI Authoring Inspector allows selecting Custom Function in Backdrop Filter, throwing "Custom filters are not supported for backdrop-filter" warning in the Console

Steps to reproduce: 1. Create new Unity project using Universal 3D Template 2. In Hierarchy create Button object (Right-click > UI Toolkit > Standard Elements > Button) 3. In “Open UI stage” pop-up press “Continue” and save UXML file 4. While Button element is selected, in Inspector expand “Backdrop Filter” 5. Select Custom function Actual results: The Backdrop Filter section in the UI Authori…

Retrieved 2026-11-10
UI ToolkitFixUUM-148347
Selection highlight no longer remains in the UI Viewport after deleting the hovered element or style rule from the Hierarchy.
Linked bug report
UUM-144573: Selection highlight remains visible in the UI Viewport after deleting the selected UI element from the Hierarchy

Steps to reproduce: 1. Create new Unity project using Universal 3D Template 2. In Hierarchy create Button object (Right-click > UI Toolkit > Standard Elements > Button) 3. In “Open UI stage” pop-up press “Continue” and save UXML file 4. Once element is created, make sure it is selected (blue and green highlight visible in UI Viewport on Button element) 5. Delete Button element from Hierarchy u…

Retrieved 2026-11-09
UI ToolkitFixUUM-144573
Surface the backdrop-filter Screen Space-only limitation with a documentation icon in the Backdrop Filter inspector sections and on the PanelSettings Render Mode field.
UI ToolkitFixUUM-147138
The "Save As" field in the "Save USS File" dialog is now pre-filled with a default name ("New USS") when creating a new StyleSheet from the UI Builder or the in-scene UI Toolkit editing stage's Style Sheets window.
Linked bug report
UUM-150992: "Save As" field is empty when creating a new StyleSheet from the Style Sheets or the UI Builder windows

Steps to reproduce: Create a new Unity project using the Universal 3D template Open the UI Builder (Window > UI Toolkit > UI Builder) Click the "+" button in the StyleSheets tab and select "Create New USS" Observe the "Save USS File" popup Actual results: The "Save As" field is empty Expected results: The "Save As" field is pre-filled with a default name ("New USS") Reproducible with versions:…

Retrieved 2026-11-10
UI ToolkitFixUUM-150992
Tooltips in Inspector when in UIStaging don't relay leaf element tooltips.
UI ToolkitFixUUM-145049
UI Builder: Fixed the data source path completer popup in the binding window sometimes staying open after the window was moved.
UI ToolkitFixUUM-132416
Updated the inspector field in stage to match the existing renaming behavior.
UI ToolkitFixUUM-153274
VisualElement Inspector Open in Context button corrupts UI Viewport window.
UI ToolkitFixUUM-145658
Undo selections and save importer changes without errors.
Undo SystemFixUUM-148141
Added a check for the MostRecentFixedTime entity in the physics GraphicsIntegration code to remove the entity if its DynamicBuffer is zero. The CameraSmoothTrack system now has an dependency on MostRecentFixedTime.
Linked bug report
UUM-145828: “IndexOutOfRangeException” spammed in Console when removing an element from DynamicBuffer in the Inspector during Play Mode

Steps to reproduce: 1. Create new Unity project using Universal 3D Template 2. Open Package Manager window 3. Find and install the Entities, Entities Graphics and Unity Physics packages 4. In Hierarchy window create Cube GameObject (not necessary) 5. Enter Play Mode 6. In Hierarchy window expand Default World foldout and select “MostRecentFixedTime” GameObject 7. In Inspector window > Dynamic …

Retrieved 2026-11-09
Unity PhysicsFixUUM-145828
Added a [NoAutoStaticsCleanup] attribute to some of the scripts in the 'Custom Physics Authoring' sample to avoid UAL0010 and UAL0013 warnings upon import. The behaviour of the scripts remains unchanged.
Unity PhysicsFix
Broadphase.Tree.Clone() now allocates node storage that is sized to its capacity rather than the source tree's Length. This fixes an OutOfRange error that may be observed when a full multi-threaded broadphase rebuild is performed on a densely-packed, cloned world.
Unity PhysicsFixUUM-157069
Fixed a race condition so that DebugDraw jobs from the previous frame are completed before the stream are cleared for re-use.
Unity PhysicsFixUUM-152608
Fixed an issue where casting a collider away form another one could return the wrong hit.
Unity PhysicsFixUUM-138425
Fixed an issue where the BVH static tree wouldn't be updated correctly when swapping from multi-threaded to single threaded setups.
Unity PhysicsFixUUM-133011
Regenerated some sample meta files to fix serialized versioning warnings when the 'Advanced Game Physics Sample - Chain and Gears' sample was imported.
Linked bug report
UUM-149515: "Unity Physics" package "Advanced Game Physics Sample - Chain and Gears" sample imports throw "TextureImporter object below the supported minimum version" warnings in the Console

Steps to reproduce: 1. Create new Unity project using Universal 3D Template 2. Open Package Manager window and install Unity Physics package 3. Open Unity Physics Samples tab and import “Advanced Game Physics Sample - Chain and Gears” Sample 4. Once imported, observe the Console window Actual results: “Serialized file "Assets/Samples/Unity Physics/6.7.0/Advanced Game Physics Sample - Chain and…

Retrieved 2026-11-10
Unity PhysicsFixUUM-149515
Fixed scroll actions re-triggering on mouse movement on UWP.
Linked bug report
UUM-144660: Mouse movement re-triggers stale <Mouse>/scroll value after the scroll wheel is used once

Steps to reproduce: 1. Open the attached project "UWPScrollRepro.zip" 2. Switch to UWP Build target 3. Open "Assets/Scenes/Main.unity" 4. Enter Play Mode 5. Move the mouse to confirm coordinates are updated -> use the scroll wheel to see the logs being outputted on the UI -> Move the mouse and observe the output 6. Build for UWP platform 7. Repeat step 5 Actual Result: after the mouse wheel is…

Retrieved 2026-11-09
Universal Windows PlatformFixWindowsUUM-144660
Converting BiRP Particles materials to URP now correctly preserves emission state. Previously, the emission checkbox would appear enabled in the inspector even when emission was disabled in the source material.
Linked bug report
UUM-128093: Converting particles material enables the Emission checkbox

Steps to reproduce: Download attached project and open in Unity. In the Project, select the ParticleOld material. Check the Inspector and observe that the Emission checkbox is disabled. Install the Universal Render Pipeline via the Package Manager. Open RP Converter >> Window >> Rendering >> Render Pipeline Converter. Select the Material Upgrader. Press on Initialize and Convert. Select Partic…

Retrieved 2026-11-09
Fix to skip the SSAO pass when the active renderer does not provide the camera depth/normals textures.
Linked bug report
UUM-150219: Render Graph throws a null-texture ArgumentException and the camera renders black when an SSAO renderer feature is added programmatically to a 2D Renderer

How to reproduce: 1. Open the attached "IN-149090" project 2. Open the "Assets/ReproScene.unity" scene 3. Observe the Console or the Game view Actual result: Render Graph throws "ArgumentException: Trying to access resource of type Texture with an null resource index" from SSAOUtils.RecordRasterAOPass and the camera output goes fully black Expected result: Unsupported SSAO pass is skipped safe…

Retrieved 2026-11-10
Fixed "Default" being added to some Enum Material properties.
Linked bug report
UUM-134256: Changing “Mesh Decal Bias Type” to “Depth Bias” on Decal Simple material stays set to “Default” in Inspector window

Steps to reproduce: 1. Create new Unity project using High Definition 3D Template 2. Open Shader Graph Templates window (Project window > Create > Shader Graph > From Template) 3. Select “Decal Simple” Template and press “Create” 4. When created, press on “Decal Simple” Shader in Project window and convert it to the Material 5. Select newly created Decal Material in Project window 6. In Inspec…

Retrieved 2026-11-11
Fixed a bug where reloading a scene that contains embedded meshes causes Surface Cache GI to stop working.
Fixed a bug where seams appear on box projected reflection probes on platforms with half precision (mobile).
Linked bug report
UUM-141981: Seams are visible in reflective surfaces when using box projection in Android Build Profile

How to reproduce: 1. Open the ‘ReflectionSeam.zip' project using Android Build Profile 2. Open the 'test’ scene 3. Enter Play Mode 4. Observe the GameView Actual result: Seams are visible Expected result: Seams are not visible Reproducible with: 2023.1.0f1, 6000.0.75f1, 6000.3.15f1, 6000.4.7f1, 6000.5.0b8, 6000.6.0a5 Could not test with: 2023.1.0a1 (Unable to install Android Build Profile) Rep…

Retrieved 2026-11-09
Fixed a crash on some iOS devices when using the Forward+ rendering path with Render Scale not set to 1.
Linked bug report
UUM-151281: App freezes when m_RenderScale is set to 0.8 in the Mobile_RPAsset

How to reproduce: 1. Open the attached “3466405_Repro.zip” project 2. Build for iOS 3. In Xcode, navigate to Product → Scheme → Edit Scheme… 4. In the “Run” tab, go to “Diagnostics” and select “Shader Validation” under “Metal” 5. Deploy to a device 6. Observe the Xcode console Actual result: The app freezes and multiple errors appear in the Xcode console Expected result: The app runs without f…

Retrieved 2026-11-11
URPFixiOSUUM-151281
Fixed a Render Graph error when Tile-Only Mode was enabled on displays with a non-sRGB backbuffer, such as OpenGL ES in Linear color space. Tile-Only Mode now falls back to regular rendering on those displays.
Fixed a spelling mistake where the Screen Space Lens Flare "Chromatic Aberration" setting was labelled "Chromatic Abberation".
Fixed Accurate G-buffer Normals encode/decode mismatch in Decals.
Linked bug report
UUM-146733: Angle-faded DBuffer decals render incorrectly when "Accurate G-buffer" is enabled

How to reproduce: 1. Open the attached "IN-147687_AngleFadeBug.zip" project 2. Open the "AngleFadeBug" scene 3. Open the Game view 4. In the Project tab, select the "PC_Renderer" asset 5. In the "PC_Renderer", enable the "Accurate G-buffer" 6. Observe the "Black Sphere" GameObject Actual result: The orange decal on the sphere is rendered incorrectly, tiled or sharply cutting off Expected resul…

Retrieved 2026-11-09
Fixed an issue where the "Reflect Sky" setting in URP Screen Space Reflections would cause artifacts when the reflected point lies behind a piece of geometry.
Fixed blocky gaps at the edges of spot lights in Forward+ and Deferred+ when the light is attached to the camera.
Fixed case of the deprecated LightingPhysicallyBased overload ignoring the surface normal and using the specular highlights toggle as the view direction.
Fixed case of the Render Pipeline Converter's 2D Material Reference and Shader Converters naming the renderer inconsistently (as "Renderer 2D") in their disabled tooltip, instead of matching the Target Pipeline dropdown's "2D Renderer".
Linked bug report
UUM-151380: 2D Renderer is named differently in the Target Pipeline and Tooltip

Steps to reproduce: Download attached project and open in Unity. Open the Render Pipeline Converter >> Window >> Rendering >> Render Pipeline Converter. Select the Target Pipeline Universal Render Pipeline (2D Renderer). Hover the mouse on the Material Reference Converter and check the tooltip. Actual results: Observe the naming of the 2D Renderer. In the Target Pipeline it will be named "2D R…

Retrieved 2026-11-10
Fixed Custom Interpolators not flowing from the vertex to fragment stage in Decal Shader Graphs.
Fixed Gizmos rendering outside of the camera's viewport in the Game view when using URP.
Fixed invalid colors in Lift, Gamma, Gain post-processing by clamping negative colors in LUTBuilder shaders.
Fixed missing shadows on certain shadow casting point and spot lights, in scenes with a large number of lights using the Deferred renderer when Transparent Receive Shadows was enabled.
Fixed missing tile map grid lines. Ensure preview camera render target is correct after rendering with an SRP.
Linked bug report
UUM-122618: The TileMap grid in the Tile Palette is not visible when Screen Space Ambient Occlusion is enabled

How to reproduce: 1. Open the attached "GridInvisible" project 2. In the Project window, select the “Triangle.asset” prefab 3. In Scene View, click the "Open Tile Palette" button 4. In the Tile Palette window, observe the TileMap grid Expected result: TileMap grid is visible Actual result: TileMap grid is invisible Reproducible with: 2023.3.0b8, 6000.0.60f1, 6000.2.8f1, 6000.3.0b6, 6000.4.0a2 …

Retrieved 2026-11-09
Fixed MSAA error in the Rendering Debugger Motion Vector view.
Fixed normal maps getting ignored during prepass when Accurate G-buffer Normals were enabled.
Fixed point and spot lights disappearing near screen edges and the camera near plane in Forward+ and Deferred+.
Fixed Project Auditor URP settings issues for Quality Levels naming the Quality Level instead of the assigned URP asset.
Fixed shader resolve for XR is not enabled properly in on-tile postprocessing.
URPFixXRUUM-143511
Fixed Surface Cache Global Illumination producing incorrect or missing bounce lighting in player builds that use vertex compression.

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