Unity 2021.3.24

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Known Issues in 2021.3.24f1

  • DirectX12: [macOS] Editor freezes when saving prefab changes in Play Mode if “VSync” is enabled (UUM-30173)

  • Kernel: Crash on UndoManager::FlushTrackedObjects when removing a Component from ~1000 GameObjects at the same time (UUM-33750)

  • MacOS: Crash on -[CocoaMainMenu validateMenuItem:] when pressing/searching in Help (UUM-33727)

  • MacOS: [M1] Crash on System.Object:__icall_wrapper_ves_icall_array_new_specific when launching a project (UUM-3207)

  • Metal: [iOS] Rendering freezes when the orientation is changed (UUM-9480)

  • Mono: Crash with ScanAssemblyForAttributesAndInterfaceImplementations when opening a project (1376858)

  • Project Browser: Project Browser shows package resources when package visibility is disabled (UUM-32517)

  • uGUI Framework: Memory leaks stop textures from getting unloaded from memory when the textures gets reparented from one scene to another (UUM-33852)

  • Version Control: "NullReferenceException" errors thrown in the Console window when Unity Version Control package is present in the project (UUM-33051)

  • Visual Effects - Legacy: [Android][Vulkan] Visualisation corruption occurs when rendering Particles to Render Texture (UUM-21106)

  • Vulkan: [Quest 2] Build crashes on Quest 2 when Graphics Jobs are enabled (UUM-12524)

  • XR SRP: [URP][XR] Performance degradation when comparing Android Quest 2 builds across 2020.3 and 2023.x (UUM-33025)

2021.3.24f1 Release Notes


  • Apple TV: TvOS now uses launch screen storyboard.

  • Editor: Enabled Sketchup Importer on Mac ARM platforms.

  • Editor: Reduced impact of Shader Graph package on performance of domain reloads by making node class cache populate on-demand.

  • Editor: Updated Sketchup SDK to 2023.2.

  • iOS: IOS/tvOS launch screen now is shown only by OS, and is not shown again by Unity itself.


  • HDRP: Enabled Extend Shadow Culling in Raytracing by default. (UUM-21784)


  • 2D: Show apply/revert dialog to user if there are data changes in Sprite Editor Window before domain reload. (UUM-26175)

  • Android: Enabled the display of gradle tasks in progress dialog while building to Android. (UUM-31890)

  • Build Pipeline: Fixed build failure related to streaming assets with symbols in file names. (UUM-9881)

  • Build Pipeline: Fixed Player Build fails. (UUM-1205)

  • Editor: Asset Pipeline: Fixed a crash when re-adding animation clip to prefab. (UUM-21916)

  • Editor: Enabled reserved key labels in Shortcut Manager to be more visible in dark mode. (UUM-28295)

  • Editor: Fixed a "3D textures with depth are not supported" error appearing when switching the RenderTexture shape to 3D if a depth-stencil format was previously indicated. (UUM-25336)

  • Editor: Fixed a bug where the cursor was lagging when dragging files to inactive MacOS editor. (UUM-9542)

  • Editor: Fixed animation clip's preview window's grid's depth when using deferred rendering in URP. (UUM-2947)

  • Editor: Fixed Auto-save scenes checkbox. (UUM-11717)

  • Editor: Fixed crash or validation error caused by out-of-bounds clear on XR platforms when using Vulkan. (UUM-32721)

  • Editor: Fixed error when selecting folders from the folder panel or closing the folder panel with EditorUtility.OpenFolderPanel() in use. (UUM-26507)

  • Editor: Fixed errors being thrown from the RenderTexture editor after selecting the Tex2DArray dimension. (UUM-31741)

  • Editor: Fixed YAML file corruption on Android Platforms caused due to some targets i became obsolete in PlatformGroupEnum. (UUM-21944)

  • GI: Fixed an issue where scene debug visualization modes would look broken when baking multiple scenes together. (UUM-17494)

  • GI: Fixed incorrect fallback to CPU of GPU bake. (UUM-24685)

  • Graphics: Creating a RenderTexture with no depth bits specified fails instead of continuing with a warning. (UUM-22012)

  • Graphics: Fixed a crash on Vulkan/Metal when trying to preview non-Float or non-UNorm format RenderTextures. (UUM-31733)

  • Graphics: Fixed an issue where EditorUtility.CompressTexture would silently fail for zero-sized textures. (UUM-31569)

  • Graphics: Fixed black RenderTarget/CustomRenderTarget thumbnails when changing Color/Depth formats. (UUM-31726)

  • Graphics: Fixed scene being made dirty when creating a new RenderTexture asset. (UUM-31729)

  • HDRP: Added error when MSAA and non-MSAA buffers are bound simultaneously in custom passes. (UUM-22996)

  • HDRP: Enabled path tracing to now produce correct results when dynamic resolution is enabled. (UUM-23315)

  • HDRP: Enabled the correct light position when changing distance on a Light Anchor. (UUM-26172)

  • HDRP: Fixed a glitch in one frame in the Editor when using path tracing. (UUM-22917)

  • HDRP: Fixed an issue occuring on TAAU when the camera rect is adjusted. (UUM-25737)

  • HDRP: Fixed an issue where LOD-related frame render settings UI on the camera component would not reflect the current global default settings. (UUM-27546)

  • HDRP: Fixed an issue with ray tracing initialization when switching between render pipeline assets. (UUM-24692)

  • HDRP: Fixed emissive mesh viewer of Area light missing from standalone player. (UUM-31531)

  • HDRP: Fixed HDSceneDepth triggering errors for uninitialized values. (UUM-21185)

  • HDRP: Fixed issue with Light Probe Proxy Volume not rendering correctly when Bounding Box Mode is Automatic World. (UUM-22821)

  • HDRP: Fixed material upgrader when executing tests. (UUM-20743)

  • HDRP: Fixed memory leak in HDLightRenderDatabase when switching between editor and play and no lights are in the scene. (UUM-29271)

  • HDRP: Fixed swapped tooltips on decal materials for ambient occlusion and smoothness. (UUM-29660)

  • HDRP: Fixed the albedo and specular color override so it is now considered as sRGB. (UUM-23268)

  • HDRP: Fixed the exposure for SSR debug rendering. (UUM-19575)

  • HDRP: Fixed the init order that could cause DXR setup to fail after using the HDRP wizard to enable DXR on an existing HDRP project. (UUM-21776)

  • HDRP: Fixed the label and improved documentation for After Post Process depth test flag to give more detail about "Depth Test" being automatically disabled in some cases.

  • HDRP: Fixed the raytraced reflections for box lights so they are no longer cut off if the range is too small. (UUM-21442)

  • HDRP: Fixed transparent decal textures being added into atlas even if the material properties have disabled them. (UUM-29093)

  • HDRP: Fixed usage of FindObjectsOfType to use FindObjectsByType(FindObjectsSortMode.None).

  • HDRP: Fixed Volumetric Clouds jittering when the sun was not casting shadow. (UUM-27919)

  • HDRP: Improved the console warning message when the maximum number of shadows is reached in the view. (UUM-28072)

  • iOS: Fixed a crash on iOS when Graphics Jobs were enabled. (UUM-22614)

  • iOS: Fixed memory leak when using GL.Clear in MonoBehaviour Update/LateUpdate. (UUM-8457)

  • Linux: Fixed DisplayInfo.WorkArea ignores resolution scaling when working with multiple displays. (UUM-1589)

  • Scene/Game View: Fixed the Rect Tool not showing the active element when snapping. (UUM-29629)

  • Scene/Game View: Fixed the Rect Tool sometimes not moving UI GameObjects if the pivot was changed. (UUM-30232)

  • Shadergraph: Improved performance of disconnecting nodes in large graphs. (UUM-31610)

  • Shaders: Reduced shader compiler memory usage. (UUM-30445)

  • SRP Core: Fixed an IES Importer issue producing incorrect results. (UUM-16309)

  • VFX Graph: Fixed a crash when logging an error messages for unexpected buffers.

  • Video: Internal texture queue populated by asynchronous decoding was sometimes being drained from 2 threads. Now serializing access. (UUM-21948)

  • Windows: Fixed sizeof type error in StackWalker library.

Package changes in 2021.3.24f1

Packages updated


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