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Unity 6000.3.21f1

Released on Jul 29, 2026

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Known Issues in 6000.3.21f1

  • 6000.0.67f1: [iOS] Audio is cut out when accessing iOS Control Center (UUM-145522)

  • 6000.0.72f1: Player crash on "UnityMain" when rapidly switching app focus in Fullscreen window mode while using DirectX12 (UUM-148214)

  • Asset Importers: Editor crashes on "(Unity) WriteObjectToVector" when entering into the Play Mode (UUM-112617)

  • Metal: Game freezes after command buffer Timeout error (UUM-125778)

  • : Crash on mono_log_write_logfile when more than one copy of bee_backend is running (UUM-142773)

  • : Crash with multiple stack traces when generating a Font Atlas (UUM-141061)

6000.3.21f1 Release Notes

Improvements

  • Accessibility: Added support for AccessibilityState.Expanded on Android.

  • Asset Pipeline: Added clarification detail to

Fixes

  • 2D: Fixed Install 2D Package button is disabled when it should not be. (UUM-143583)

  • Accessibility: Fixed double state announcement for AccessibilityRole.Toggle nodes on Android. (UUM-146950)

  • Accessibility: Fixed the main application window also being provided for secondary windows for UI Automation clients.

  • Accessibility: Fixed the screen reader being slow to navigate away from AccessibilityRole.Dropdown nodes on Android. (UUM-146949)

  • Accessibility: Fixed the Windows player crashing at shutdown once a UI Automation client (e.g. a screen reader) has interacted with the application. (UUM-146676)

  • Android: Negative values for Screen.brightness now restore the device's preferred screen brightness. (UUM-145925)

  • Android: Relaxed AGP 9's stricter R8 keep rule enforcement. (UUM-147136)

  • Animation: Animator.ResetControllerState(true) didn't reset non-float parameters. (UUM-146636)

  • Animation: Fixed issue where Animator transition copy paste would not paste interruption parameters. (UUM-143599)

  • Animation: Reworked Animation Playable Output bind and unbind validation to prevent potential crashes. (UUM-146750)

  • Asset Pipeline: Fixed asset previews staying white after a referenced texture is deleted and restored with the same GUID. (UUM-138622)

  • Asset Pipeline: No longer crash when CreateAsset is called on an out of process importer. (UUM-141087)

  • Audio: Fixed an error that occurred when deleting a snapshot in the Audio Mixer. (UUM-119443)

  • Audio: Fixed RootOutputInstance.IRealtime not properly running through Burst if requested, even though Burst would compile and show the associated code in the Inspector. (UUM-145622)

  • Editor: Added a warning message that appears when setting a camera to orthographic if it supports XR rendering in URP and HDRP. (UUM-63527)

  • Editor: Color space sync deferred until after initial asset DB refresh to avoid crash on startup. (UUM-141297)

  • Editor: Ensure SpriteRenderer material are indexed. (UUM-144279)

  • Editor: Fixed a crash on SerializableManagedRef::CallMethod when multi-selecting GameObjects with different MonoBehaviour scripts using [SerializeReference] fields. (UUM-142019)

  • Editor: Fixed a memory leak caused by an undisposed CancellationTokenSource object in AsyncInstantiateOperation. (UUM-147016)

  • Editor: Fixed an issue where the Sprite asset Inspector window was misaligned. (UUM-145514)

  • Editor: Fixed an issue with Handles.SnapValue and Snapping.Snap methods to only snap on positive values as described in Handles.SnapValue api documentation. (UUM-143716)

  • Editor: Fixed black bar artifacts in WinEditor that appear in certain combinations of Windows DPI scale and Unity UI scaling. (UUM-146885)

  • Editor: Fixed EditorWindows being opened by AssetImporter process and getting orphaned in the Taskbar. (UUM-145778)

  • Editor: Fixed issue where a local package failing to resolve can crash the Editor on MS Windows. (UUM-146678)

  • Editor: Fixed MSAA textures not rendering in the editor when OpenGLES is the active graphics API. (UUM-143867)

  • Editor: Fixed spacing issue in Framerate Scaler in the Adaptive Performance settings. (UUM-141453)

  • Editor: Fixed text overflowing inconsistently. (UUM-145644)

  • Editor: Fixed various issues with Sprite Assets used in ATG. (UUM-145506)

  • GI: Fixed a crash that occurred when extracting shadow casters with null material. (UUM-132304)

  • Graphics: Fixed rendering issues on XR when dynamic resolution is enabled with an injected RenderObjects pass. (UUM-142592)

  • Graphics: Skip expensive per-variant operations for warmed up GraphicsStateCollection variants. (UUM-139193)

  • HDRP: Updated the ClearBuffer2D shader to support multiview. (UUM-137877)

  • iOS: Fixed depth camera crash when created a second time. (UUM-141173)

  • iOS: Fixed false "Touch was already deallocated" error on iOS during app backgrounding. (UUM-145381)

  • Networking: Bumps libcurl library to 8.20.

  • Package Manager: Fixed the issue where invalid package will be generated if Unity account name include quotes. (UUM-133956)

  • Package Manager: Fixed the refresh page to also refresh user entitlement licences. (UUM-147523)

  • Package Manager: Package Manager related errors are thrown for Play Mode Scenarios additional editors when activated. (UUM-147009)

  • Package Manager: Packages with entitlement issues are properly shown as not installed in the Package Manager window. (UUM-134515)

  • Physics: Fixed a crash with ArticulationBody component hierarchies due to the 64 link depth limit not being correctly enforced. (UUM-145530)

  • Physics: Fixed an issue where ConfigurableJoint setups would jitter once they reached their distance constraint maximum, due to their contact distance not being handled correctly. (UUM-146852)

  • Physics: Fixed an issue with Rigidbody component serialization where prefab overrides (for drag/angular drag) saved in scenes on 2022LTS wouldn't be retained after upgrading. (UUM-147601)

  • Profiler: Memory Profiler under-reports ALLOC_TEMP_JOB_ASYNC footprint, causing unused blocks to appear as Untracked. (UUM-145712)

  • Scene/Game View: Fixed the SRP Volume gizmo not showing in the SceneView. (UUM-146740)

  • UI Toolkit: Exposed the method VectorUtils.BuildVectorImage(SceneInfo, Rect). (UUM-146278)

  • UI Toolkit: Fixed an issue where some type converters would be ignored in the UI Builder binding window. (UUM-147357)

  • UI Toolkit: Fixed opacities not propagating in filtered elements. (UUM-147157)

  • UI Toolkit: Fixed prefab override markers not showing in the Inspector and a stray horizontal scrollbar appearing after the Inspector scroll-area fix. (UUM-147367)

  • UI Toolkit: Fixed rendering issue when using large sprites with 9-slices and slice scale. (UUM-147415)

  • UI Toolkit: 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. (UUM-144652)

  • Universal Windows Platform: Fixed scroll actions re-triggering on mouse movement on UWP. (UUM-144660)

  • Video: Fixed AudioSampleProvider.sampleFramesAvailable callback never firing on macOS when using the VideoPlayer in API Only mode and disabling Unity Audio. (UUM-143660)

  • Web: Fixed streaming of response body in UnityWebRequest when server does not set "Content-Length" header. (UUM-146537)

Package changes in 6000.3.21f1

Packages updated

Changeset: c02631ffc030

Third Party Notices

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