Fixed localized strings resolving as empty in Play Mode when a project uses the built-in Localization module.
UI ToolkitUUM-153007
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Fixed localized values resolving in the project locale when they were awaited while a startup locale selector was still preparing.
Fixed marquee (rectangle) selection in the UI Viewport selecting elements with Picking Mode set to Ignore or invisible elements.
Fixed MinMaxSlider keeping a value outside its low and high limits after a limit or value change.
Fixed multi-column list and tree views requiring Ctrl+click instead of Cmd+click to sort by multiple columns in Web builds running on macOS.
UI ToolkitFixmacOS
Fixed multiple warnings being logged when saving in UI Builder with a child element of a control or template selected.
Fixed negative localization entry key IDs being generated when DistributedUIDGenerator was given a custom epoch in the future.
Fixed nested PanelRenderer never receiving their initial UIReloadCallback.
Linked bug report
UUM-152408: Nested PanelRenderer never receives its initial UIReloadCallback when entering Play mode
How to reproduce: Open the attached "IN-150082" project Open Assets > Scenes > SampleScene scene Enter Play mode and wait about 4 seconds Observe the Game View and the Console Actual result: Only the top-level PanelRenderer ("UIParent") receives a UIReloadCallback and renders. The nested child ("UIChild") never does, so its UI is absent, with no error or warning Expected result: Both PanelRend…
Retrieved 2026-11-10Fixed nested UXML prefab throwing when being created.
Fixed new Panel Settings assets being created with a reference DPI that did not match the Game view, which made Constant Physical Size content resolve to a fractional scale.
Linked bug report
UUM-147871: ListView items drag handle icon renders inconsistently and not fully when "Reorder Mode" is set to Animated
Steps to reproduce: Open the attached "UITK_DragHandle" project Open SampleScene Enter Play mode Expand the "TestReorder" foldout Observe the drag handles next to list items Actual results: Only some rows show a drag handle, and it renders as a faint, partial dash ("-") rather than the full handle icon; other rows show no visible handle icon at all Expected results: Every row should consistent…
Retrieved 2026-11-12Fixed object fields showing no label when the object they reference has no name.
Fixed Open selector in IDE opening an empty file instead of the stylesheet that contains the selector.
Fixed overflow property not exposed in resolved style.
Fixed Painter2D aborting the Editor when stroking a dashed path, and rendering the dashes from a wrong subdivision count in release builds
Fixed Panel Renderer fields not resetting when the component is reset.
Linked bug report
UUM-154983: Panel Renderer component’s fields are not reset when resetting the component
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 2026-11-10Fixed ProgressBar ignoring lowValue when working out how full the bar is.
Fixed Ratio, AnimationIterationCount and GridLine fields showing in the Inspector even though their values could not be saved.
Fixed recursive mesh modifiers skipping some child elements, and a child's own mesh modifier running on its siblings, when another child gained a mesh modifier in the same frame.
Fixed removing a selector having no effect in UI Builder after saving a stylesheet once in StyleSheet Editing Mode.
Fixed resolvedStyle.columnGap and resolvedStyle.rowGap returning the authored value instead of the rendered gap when the gap is a percentage or negative.
Fixed selector override rules defined in a theme style sheet being ignored because they lost to Unity's default styles on selector specificity.
Fixed shift-click range selection in TreeView and ListView so the range extends from the last clicked item and preserves the existing selection, matching the Hierarchy window behavior.
Fixed SliderInt thumb position, dragging, keyboard stepping, and value display when the slider range uses values near the minimum or maximum integer limits.
Linked bug report
UUM-154562: SliderInt mispositions its handle and jumps to the minimum when near Int32 limits
How to reproduce: Create and open a new project Import the “SliderIntPrecisionMinimal“ script (In the internal notes) In the Menu Bar select “Bug Repro“ → “2. Open slider window“ In the “SlidersInt precision“ window that showed up press “Send Right Arrow to each slider“ Observe the sliders Try changing the slider’s values Observe the sliders again Actual result: The second slider’s handle jump…
Retrieved 2026-11-10Fixed slower asset deletion in the Editor caused by localization checks running on every deleted asset.
Fixed slower Editor project open and domain reload caused by memory allocations in cached GUI content lookups.
Fixed SVG gradients xlink:href inheritance.
Linked bug report
UUM-150193: SVG gradient renders with unassigned UVs when linearGradient partially inherits coordinates via xlink:href
How to reproduce: 1. Open the attached “IN-150528” project 2. In assets, double left-click the “Gradient_limit” asset 3. Go back to the Unity Editor 4. Observe the Inspector Actual result: Some vertices on the SVG sprite mesh appear to have unassigned or incorrect UVs Expected result: SVG file should have all gradients visible Reproducible with: 6000.3.0a5 (36d7e9fd6645), 6000.3.22f1, 6000.5.8…
Retrieved 2026-11-10Fixed SVG import errors with nested svg tags.
Linked bug report
UUM-150948: Imported SVG file has 0 vertices and does not render when it has a nested <svg> element in it
How to reproduce: 1. Create a new project 2. Import the attached "google.svg" file into the project 3. Observe the imported file's preview in the Project tab Actual result: The imported SVG file has an empty preview Expected result: The imported SVG file properly draws the preview Reproducible with: 6000.0.0f1, 6000.0.83f1, 6000.3.23f1, 6000.5.11f1, 6000.6.0f1, 6000.7.0a6 Reproducible on: Wind…
Retrieved 2026-11-10Fixed the "fr" unit being applied as a pixel value instead of being rejected when used in a USS property that does not accept it.
Fixed the action key of pointer, mouse, keyboard and navigation events being Ctrl instead of Cmd in Web builds running on macOS.
Linked bug report
UUM-153940: UIToolkit's PointerEvent.actionKey uses the 'Control' key instead of 'Command' when used in Web builds on MacOS
How to reproduce: Open the attached project “IN-153401” Build and run the project for Web Right click the button at the top of the Player with the ‘Command’ key pressed down on the keyboard Observe the Player Actual result: A plane does not appear at the bottom of the Player Expected result: A plane appears at the bottom of the player Reproducible with: 6000.0.0f1, 6000.0.85f1, 6000.3.25f1, 60…
Retrieved 2026-11-10Fixed the Backdrop Filter not being rendered in the UI Viewport in UI staging mode.
Linked bug report
UUM-149971: Backdrop Filter is not rendered in the UI Viewport in UI Staging Mode
Reproduction steps: 1. Create a new project 2. Create any Standard Element (e.g. GameObject > UI Toolkit > Standard Elements > Label) and save UXML file 3. Select the Standard Element in the Hierarchy and set Background Alpha value to 0 4. Add any Backdrop Filter in the Inspector 5. Change Filter value 6. Observe the Element in the UI Viewport Actual result: Backdrop Filter is not rendered in …
Retrieved 2026-11-10Fixed the Dynamic Atlas Viewer showing no atlas after the UI Toolkit Debugger window was recreated, such as when maximizing and restoring a docked window or toggling UI Toolkit Live Reload on the debugger.
Linked bug report
UUM-150663: UI Toolkit Debugger's Dynamic Atlas Viewer window does not display an atlas after it was Maximized
Steps to reproduce: Create a new project Open the UI Toolkit Debugger window (Window -> UI Toolkit -> Debugger) Select the Inspector window as the debugger's target Press the Texture Atlas Viewer button to open its window and dock it Switch the Debugger's target to SceneView (Or any other window that has an Atlas) Observe that the Atlas is displayed as expected Switch the Debugger's target bac…
Retrieved 2026-11-10Fixed the Dynamic Atlas Viewer window failing to reload and logging a serialization error when toggling UI Toolkit Live Reload.
Linked bug report
UUM-150660: UI Toolkit Debugger's Dynamic Atlas Viewer window throws a window serialization error if Live Reload is enabled
Steps to reproduce: Create a new project Open the UI Toolkit Debugger window (Window -> UI Toolkit -> Debugger) Select any window as the debugger's target Press the Texture Atlas Viewer button to open its window Right-click on the Texture Atlas Viewer window handle Select the UI Toolkit Live Reload option Observe the Console window Actual results: A window serialisation error is thrown every t…
Retrieved 2026-11-10Fixed the Editor and Players hanging when a USS transition-timing-function declaration uses a value that is not a keyword, such as 5px.
Linked bug report
UUM-155159: Editor and built players hang indefinitely when a USS declaration gives transition-timing-function a non-keyword value
Steps to reproduce: Create a new project Add the attached freeze.uss to the project Add a UI Document to the scene and add freeze.uss to its stylesheets, or add the stylesheet to any EditorWindow's rootVisualElement Let the UI resolve its styles Actual result: The Editor stops responding and never recovers, and has to be force-quit. A built Standalone player hangs the same way during its first…
Retrieved 2026-11-10Fixed the editor crashing when the UXML document being edited was assigned as a column's header or cell template in the UI Toolkit inspector.
Fixed the Enable Filter Shader Graph setting being hidden unless the Editor was in developer mode.
Fixed the first synchronous localization read returning the project locale's value instead of the language selected at startup.
Fixed the Game view toolbar's view dropdown showing no label when the Editor language is not English.
Fixed the GameObject menu offering creation items in the UI authoring stage, where the new GameObject was created in the hidden main scene and never appeared.
Fixed the Gradient Editor clearing the redo history and adding an empty Modify Gradient undo step when it closed after an undo.
Linked bug report
UUM-153510: ShaderGraph gradient Undo/Redo action stack is incorrect when undoing multiple actions with "HDR Gradient Editor" window open
How to reproduce: Create a new project using the “Universal 3D” tempalte In the Project window, right click and select “Create → Shader Graph → URP → Lit Shader Graph” Open the created Shader Graph In the Shader Graph window, right click and select “Create Node → Input → Gradient → Gradient” In the Gradient node, click on the gradient color section In the HDR Gradient Editor window, select the…
Retrieved 2026-11-10Fixed the Inspector help button opening a missing documentation page when multiple UI Toolkit elements were selected in the Hierarchy.
Linked bug report
UUM-153256: Documentation Help icon on multi-selected Visual Element assets lead to a "Sorry... that page seems to be missing!" page
Steps to reproduce: Create a new 3D URP project In the Hierarchy, right-click > UI Toolkit > Standard Elements > Visual Element Save the new .uxml file Have two Visual Elements available Fully expand the .uxml in Hierarchy Multi-select two Visual Elements In the Inspector, observe the "2 Visual Element Selections" is shown Click on the help icon to open Reference Actual results: “Sorry... that…
Retrieved 2026-11-10Fixed the Localization New entry popup staying open after its GameObject was deselected, and discarding the typed name instead of creating an entry.
Fixed the Localization reference field dropdown caret drawing as a text character instead of the standard Editor arrow icon.
Fixed the Localization upgrade not reporting Smart entries that escape braces with {{ and }}, which the built-in Smart Strings do not read.
Fixed the macOS character palette and IME candidate window appearing at the caret position of a previously edited text field.
Fixed the macOS character palette opening at the wrong position, or not opening, when a UI Toolkit text field has focus.
Fixed the metadata icon rendering blurry in the Resource Tables window.
Fixed the min and max values of a minmax() grid track being hidden behind their unit dropdowns in the UI Builder Inspector.
Fixed the New Collection button staying disabled in the Resource Tables window after adding the first locale.
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 2026-11-10Fixed the Paste option staying enabled for read-only UXML assets in the UI Builder window.
Fixed the render statistics in the UI Toolkit Debugger panel details always displaying zero.
Fixed the Scene view stealing focus from the previously focused window when exiting in-context UI editing.
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 2026-11-10Fixed the selected collection's name becoming unreadable when you hover over it in the Resource Tables window in the Light theme.
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 stylesheets window not rendering style rules when an invalid rule is present.
Fixed the UI Preview overlay showing "Preview not available" for elements with an opacity of 0, instead of a transparent preview.
Fixed the UI Preview Scene View overlay staying visible and empty after its document was opened for editing in the UI Viewport.
Fixed the UI Toolkit Debugger picking elements from a hidden UI Viewport tab instead of the Game View content under the cursor.
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.
Fixed the UI Viewport opening its context menu when a zoom drag is released, and leaving click selection stuck afterwards.
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 2026-11-09Fixed 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 2026-11-10Fixed 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 2026-11-09Fixed the UXML preview not refreshing when a variable is added to an element in the UI Builder inspector.
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.
Fixed UI Builder keeping discarded style sheet changes after going back more than one level from a template opened in context.
Fixed UI Builder marking the UXML and USS files as unsaved when it discarded an invalid or empty rename.
Fixed UI Toolkit content in the Game view disappearing after importing an asset.
Fixed undo not removing a style class from an element that has other classes.
Fixed unpacked template elements losing their inline styles in UI Builder when Unpack Instance is undone and redone.
Fixed unpacking a template instance copying its authoring ID onto the element that replaced it.
Fixed USS variables not working inside gradient background definitions.
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 2026-11-10Fixed SharedTableData.AddKey, ResourceTable.AddStringEntry, and DistributedUIDGenerator.MachineId rejecting or altering their input without reporting it.
Improved grid inspector layout in UI Toolkit inspector.
Improved performance of hash code generation in GetTransitionHashCode
Improved performance of Smart Strings plural and choose formatters.
Templates created from the Hierarchy with "Create Template" could not be opened in the UI Stage after being selected.
Updated the inspector field in stage to match the existing renaming behavior.
Fixed the behavior of the combine functions for converted materials so they match the built-in physics one. This change is opt-in and can be enabled from the Unity.Physics project settings pane.
Fix a bug where having the material inspector and scene view on screen together causes error spam when using screen space reflections.
Fix a bug where reloading a scene would cause certain Blitter functions to stop working.
Fix a bug where URP attempts to use a stripped variant when using deferred rendering with additional light shadows disabled, but shadowmasks enabled.
Linked bug report
UUM-153600: Shader variant errors are thrown for every transparent draw in the Player when using Deferred rendering with a baked Mixed light and Additional Light Shadows disabled
Steps to reproduce: 1. Open the attached project "StrictVariantRepro.zip" 2. Open the "SampleScene" scene 3. Enter Play Mode and observe that the scene renders correctly 4. Open File > Build Profiles and make sure "Development Build" is enabled 5. Make sure "Strict Shader Variant Matching" is enabled in Player Settings 6. Build and Run the Windows Player 7. Open the Player.log and search for "…
Retrieved 2026-11-11Fix MSAA error in the Rendering Debugger Motion Vector view
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 2026-11-11Fixed 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 2026-11-11Fixed a performance regression caused by redundant clears triggering full-screen quad draws when opaque pass is skipped
Fixed a potentially uninitialized variable shader warning logged on Metal and Vulkan when using the Surface Cache GI renderer feature.
Fixed AlphaUpscaleHistory being allocated when Alpha Processing is disabled
Fixed an 'Ignoring duplicate keyword line' warning shown in the Inspector when selecting the URP FallbackLoading shader.
Fixed an assertion in the console when selecting the Render Deferred Lighting pass in the Frame Debugger.
Fixed GC allocations in Surface Cache GI when many entities are spawned, destroyed, or change materials in the same frame.
Fixed incorrect normals and specular highlights on Shader Graph terrain materials in the Deferred and Deferred+ rendering paths, on terrains that need more than one splatmap.
Fixed incorrect wording in the Rendering Debugger warning shown when the STP upscaling filter is not enabled, which referred to a single debug view instead of multiple.
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 scripts that subclass BaseShaderGUI failing to compile with error CS0122.
Fixed shader warnings that appeared on the URP Baked Lit shader.
Fixed Surface Cache GI repeatedly logging "BeginDrain without a matching EndDrain" assertions after an exception occurred during the surface cache world update.
Fixed Surface Cache GI throwing "SurfaceCacheEntityChangeBridge supports only a single consumer" exceptions when the renderer feature is used by more than one renderer.