Release Notes Background

Unity 6000.5.3f1

Released on Jul 8, 2026

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Known Issues in 6000.5.3f1

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

  • 6000.4.0a1: Crash on AnnotationManager::CanHideLODLabels when opening the Gizmos dropdown menu (UUM-144488)

  • 6000.6.0a2,6000.5.0b2: GPU Occlusion Culling fails to cull obstructed instances when GPU Resident Drawer is enabled (UUM-146214)

  • 6000.6.0a7: [Universal 3D Sample] NullReferenceException is thrown when opening GardenScene in URP 17.3.0 sample (UUM-145743)

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

  • : Crash on mdb_cursor_sibling when performing various actions in the Editor (UUM-141720)

  • : 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)

6000.5.3f1 Release Notes

Improvements

  • Build System: Updated the bundled 7-Zip to version 26.02.

  • Graphics: Updated the mipmap streaming manual pages to describe how Unity selects mipmap levels from mesh UV data and camera positions, clarified the behaviour for objects Unity can't calculate a level for (including procedurally-generated geometry such as Particle Systems), and added a Texture2D.requestedMipmapLevel code example. (UUM-131691)

Fixes

  • 2D: Disabled icons in the Tile Palette Active Targets dropdown when the target has HideFlags.HideInHierarchy. (UUM-142285)

  • 2D: Fixed an issue where Sprite Atlas textures from all included build scenes persisted in Editor memory when building the Player. (UUM-137607)

  • 2D: Fixed scene set as modified after using Select Tool from Tile Palette and switching to another tool such as Paint. (UUM-141736)

  • 2D: Fixed SpriteRenderer not rendering Sprite properly when the SpriteRenderer is previewing changes in the Sprite Editor and the changes are applied. (UUM-143041)

  • 2D: Fixed Tile flickering when scaled to negative values using GridSelectionTool changing Scale. (UUM-141782)

  • 2D: Unlock Tile Palette for edit when using Delete or Backspace key to delete a GridSelection. (UUM-141744)

  • Android: Replace unused Tools 26.1.1 download with empty folder. (UUM-141878)

  • Asset Pipeline: Point Text asset importer to correct page in Docs. (UUM-132090)

  • Core: Fixed Transform serialized values not being properly initialized when cloning GameObjects. (UUM-131305)

  • Documentation: Added more context and detail to the UITK popup example code and steps.

  • Documentation: Updated VFX Operator Reciprocal incorrect 'out' property. (UUM-144446)

  • DX12: Wrap colour VR texture the same way as depth texture. (UUM-140997)

  • Editor: Added explicit padding in DrawCommandSettings to avoid garbage data when calculating hash value. (UUM-144036)

  • Editor: Audio: Fixed an Editor crash when opening a project that contains a corrupted Audio Mixer asset. (UUM-143706)

  • Editor: Changes to float enums in sub graphs should update subgraph nodes properly now. (UUM-143534)

  • Editor: Fixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown. (UUM-144371)

  • Editor: Fixed an issue where changing the type of a connected Expression node in Shader Graph threw an ArgumentException. (UUM-143151)

  • Editor: Fixed an LinuxEditor error that occurred while dragging files into the Editor when running on Wayland. (UUM-111593)

  • Editor: Fixed derived server platform guid can't be fetched from build target. (UUM-145858)

  • Editor: Fixed hang when deleting Sprites. (UUM-143745)

  • Editor: Fixed Undo/Redo clearing default parent after using CreateEmptyParent menu item. (UUM-115213)

  • Editor: Prevent the Object Selector from hanging when selection opens a native modal dialog. (UUM-139847)

  • Editor: Resolve minor LMDB memory leak. (UUM-138144)

  • Editor: Validated inputs for QuaternionEulerField so NaN and Infinite are no longer accepted as valid entries. (UUM-142032)

  • EmbeddedLinux: Fixed windowing async operation ref counting. (UUM-143710)

  • Entities: Fixed an editor crash (SIGSEGV) that occurred when dragging a SubScene into another SubScene that references the same scene asset. (UUM-142972)

  • GI: Fixed a crash when baking Reflection Probes after baking Adaptive Probe Volumes. (UUM-143885)

  • GI: Fixed an issue where selecting the currently set APV baking set in the Lighting / Adaptive Probe Volume / Current Baking Set property did not function. (UUM-145389)

  • Graphics: Fixed a crash in DirectX12 Split Graphics Jobs when using RayTracing. (UUM-145956)

  • IL2CPP: Fixed crash on a null method pointer call when Faster (Smaller) Builds is enabled. (UUM-144008)

  • IL2CPP: Fixed generation of empty .usym files on Linux. (UUM-142527)

  • IL2CPP: Fixed issue when a stackalloc returns null on a methed that initializes locals. (UUM-125482)

  • macOS: Fixed mouse input becoming unreliable on the macOS Standalone Player after the Player regained focus, where the first mouse press could be missed or a phantom button state could persist until the next physical click. (UUM-140694)

  • Networking: Fixed an issue in UnityWebRequest where an error 26 or 65 ("necessary data rewind was not possible") would sometimes be logged when resuming upload requests. (UUM-144767)

  • Package Manager: Fixed an issue where switching pages quickly after clearing the search bar results in an empty package list. (UUM-134027)

  • Physics: Fixed PhysicsShapeAuthoring baking bug that was collapsing vertex and causing massive collision detection performance issues. (UUM-144222)

  • Profiler: Fixed Highlights module not redrawing captured frame data when re-enabled. (UUM-144840)

  • QNX: Fixed windowing async operation ref counting. (UUM-143710)

  • Scripting: AutoStaticsCleanup should accept any declared type initializers. (UUM-142742)

  • Scripting: Fixes missing EditMode scope during startup and inconsistent timing of EditMode and PlayMode scope. (UUM-141834)

  • Text: Fixed editor shutdown crash on FT_Done_Face. (UUM-144575)

  • uGUI: Fixed a layout misalignment of the Layout Group properties in the Inspector. (UUM-144947)

  • UI Toolkit: Clamp invalid stroke-miterlimit instead of failing SVG import. (UUM-120825)

  • UI Toolkit: Fixed a NullReferenceException thrown by the UXML asset preview's Theme dropdown when reopening a project whose runtime theme is provided by a package. (UUM-133908)

  • UI Toolkit: Fixed an issue causing and oval shape to show as a rectangle when outputting a constant color with a custom shader. (UUM-145855)

  • URP: Fixed a memory leak issue in URP standalone player builds that generated leak warnings in the Player log. (UUM-115886)

  • URP: Fixed wrong runtime shader variant selection for Bloom when Dirt Texture was enabled but null. (UUM-141980)

  • UTR: PerformanceTestReport.html displayed again correctly.

  • Web: Fixed VideoPlayer.frameReady firing only once during playback when the Player Graphics API is set to WebGPU. (UUM-141418)

  • WebGL: [WebGPU] Fix crash that can occur when destroying and creating shaders. (UUM-145390)

Package changes in 6000.5.3f1

Packages updated

Changeset: c2eb47b3a2a9

Third Party Notices

For more information please see our Open Source Software Licences FAQ on the Unity Support Portal

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