Additional downloadsSelect the runtime platforms of your choice from the list below (the desktop runtime is included as standard) or, to install the full complement of runtime platforms, use the download assistant installer above.
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.