### Known Issues in 2021.2.15f1

*   2D: Crash with "RendererUpdateManager::RemoveRenderer" when using undo after adding Tilemap to the List ([1407532](https://issuetracker.unity3d.com/issues/crash-with-rendererupdatemanager-removerenderer-when-using-undo-after-adding-tilemap-to-the-list))
    
*   Asset - Database: Texture size increased on first build when 'Compress Textures/Assets on Import' is enabled ([1397965](https://issuetracker.unity3d.com/issues/texture-size-increased-on-first-build-when-compress-textures-slash-assets-on-import-is-enabled))
    
*   Asset Bundles: Asset Bundle size incrementally increases when updating the Unity Editor and rebuilding the Asset Bundle ([1391542](https://issuetracker.unity3d.com/issues/asset-bundle-size-incrementally-increases-when-updating-the-unity-editor-and-rebuilding-the-asset-bundle))
    
*   Build Pipeline: Script compilation fails with "Internal build system error. Backend exited with code -1073741511" on Windows 7 ([1408591](https://issuetracker.unity3d.com/issues/script-compilation-fails-with-internal-build-system-error-backend-exited-with-code-1073741511-on-windows-7))
    
*   DirectX11: Crash on GfxDeviceD3D11Base::ResolveDepthIntoTexture when opening the project ([1408785](https://issuetracker.unity3d.com/issues/crash-on-gfxdeviced3d11base-resolvedepthintotexture-when-opening-the-project))
    
*   DOTS: "IndexOutOfRangeException" errors appear when entering Play Mode if using "AsDeferredJobArray" ([1395710](https://issuetracker.unity3d.com/issues/errors-appear-when-entering-play-mode-if-using-asdeferredjobarray))
    
*   IMGUI: CPU and GPU usage goes up when a tooltip pops up ([1401912](https://issuetracker.unity3d.com/issues/cpu-and-gpu-usage-goes-up-when-a-tooltip-pops-up))
    
*   Linux: Player settings and other options are locked after script compilation ([1380015](https://issuetracker.unity3d.com/issues/linux-player-settings-and-other-options-are-locked-after-script-compilation))
    
*   Linux: Editor crashes at "RegisterRuntimeInitializeAndCleanup::ExecuteCleanup()" when quitting from "Enter Safe Mode" prompt \[Linux\] ([1374087](https://issuetracker.unity3d.com/issues/linux-editor-crashes-at-registerruntimeinitializeandcleanup-executecleanup-when-quitting-from-enter-safe-mode-prompt))
    
*   MacOS: \[M1\]\[IL2CPP\] Unity spawns Intel clang processes when building with Silicon Editor ([1392604](https://issuetracker.unity3d.com/issues/m1-il2cpp-unity-spawns-intel-clang-processes-when-building-with-silicon-editor))
    
*   Metal: Consistent EditorLoop 5-10ms spikes when using Metal API ([1378985](https://issuetracker.unity3d.com/issues/consistent-gfx-dot-waitforpresentongfxthread-5-10ms-spikes-when-using-metal-api))
    
*   Metal: Editor crashes on BufferMetal::IsBusy after opening a Scene ([1405248](https://issuetracker.unity3d.com/issues/editor-crashes-on-buffermetal-isbusy-after-opening-a-scene))
    
*   Progressive Lightmapper: Unity crashes on some Windows7 PCs when tbb12.dll gets loaded ([1361676](https://issuetracker.unity3d.com/issues/unity-2021-dot-2-crashes-on-some-windows-machines-when-tbb12-dot-dll-gets-loaded))
    
*   Progressive Lightmapper: \[GPU PLM\] Crash after enabling Auto at the end of Bake - OpenCLRenderLightmapBuffers.HasBakingBuffers() ([1389093](https://issuetracker.unity3d.com/issues/gpu-plm-crash-after-enabling-auto-at-the-end-of-bake-openclrenderlightmapbuffers-dot-hasbakingbuffers))
    
*   Progressive Lightmapper: \[GPU PLM\] Crash due to out of bounds access violation in PowerSampling after enabling auto mode at the end of bake on AMD GPU ([1379762](https://issuetracker.unity3d.com/issues/gpu-plm-crash-in-nvopencl64-clgetplatforminfo-after-enabling-auto-generate-checkbox-at-the-end-of-gi-bake))
    
*   Scene Management: Crash with "Transform::InitializeTransformHierarchyRecursive" when using undo after swapping Prefabs ([1400170](https://issuetracker.unity3d.com/issues/crash-with-transform-initializetransformhierarchyrecursive-when-using-undo-after-swapping-prefabs))
    
*   Scene/Game View: Camera resolution is set to default when opening the Editor ([1378321](https://issuetracker.unity3d.com/issues/camera-resolution-is-set-to-default-when-opening-the-editor))
    
*   Scripting: Only some assemblies fail to be loaded when assembly name does not match the file name ([1345099](https://issuetracker.unity3d.com/issues/only-some-assemblies-fail-to-be-loaded-when-assembly-name-does-not-match-the-file-name))
    
*   Shadows/Lights: Scene is brighter in Standalone player if it was open in the Editor at build time ([1375015](https://issuetracker.unity3d.com/issues/scene-is-brighter-in-standalone-player-if-it-was-open-in-the-editor-at-build-time))
    
*   Terrain: Material keyword APIs don't list keywords when using a newly imported SpeedTree ([1398133](https://issuetracker.unity3d.com/issues/material-keyword-apis-dont-list-keywords-when-using-a-newly-imported-speedtree))
    
*   uGUI: Extra OnEnter and OnExit event calls when hovering over UI elements ([1394226](https://issuetracker.unity3d.com/issues/wrong-onenter-and-onexit-event-calls-when-hovering-over-ui-elements))
    
*   uGUI: Prefab is glitchy while editing in Prefab Mode when parent Canvas Render Mode is set to Screen Space - Camera ([1394756](https://issuetracker.unity3d.com/issues/prefab-is-glitchy-when-editing-in-prefab-mode-in-a-custom-ui-environment))
    
*   Visual Effects - Legacy: \[URP\] Particles are flickering when in Play Mode ([1390346](https://issuetracker.unity3d.com/issues/particles-are-flickering-when-in-play-mode))
    
*   Vulkan: \[Editor\] The Scene's GameObjects textures are seemingly random and change colours depending on the Scene's Camera pos. ([1337772](https://issuetracker.unity3d.com/issues/vulkan-editor-the-scenes-gameobjects-textures-are-seemingly-random-and-change-colours-depending-on-the-scenes-camera-pos))
    
*   Vulkan: \[HDRP\] \[Vulkan\] Crash on vk::DataBuffer::CreateResource on opening Shader Graph Sample Project with Vulkan API ([1225488](https://issuetracker.unity3d.com/issues/hdrp-vulkan-crash-on-vk-databuffer-createresource-on-opening-shader-graph-sample-project-with-vulkan-api))
    
*   XR SDK: \[XR\]\[Linux\] Scene View doesn't render when opening new AR or VR Template project or pressing "Show Tutorials" ([1362435](https://issuetracker.unity3d.com/issues/xr-linux-scene-view-doesnt-render-when-opening-new-ar-or-vr-template-project-or-pressing-show-tutorials))
    

### 2021.2.15f1 Release Notes

#### Features

*   Version Control: Added branch name column in changeset view

#### Changes

*   Version Control: Updated checkin comment box to keep the last comment after checkin error.

#### Fixes

*   2D: Fixed a Crash on VirtualRedirectTransfer when loading AssetBundle while entering Play Mode. ([1383027](https://issuetracker.unity3d.com/issues/crash-on-virtualredirecttransfer-when-loading-assetbundle-while-entering-play-mode))
    
*   2D: Fixed an issue where Secondary Texture set from a different Sprite was re-used even if another Sprite does not have one. (1395562)
    
*   2D: Fixed an issue where `managedContext` was never passed to MonoPostprocessSprites. (1387502)
    
*   Android: Fixed asking for permission for location, webcam and external storage issue. ([1363472](https://issuetracker.unity3d.com/issues/android-webgl-location-service-does-not-start-on-mobile))
    
*   Android: Update some APIs to support the behavior changes of LocationManager in Android 12. ([1379467](https://issuetracker.unity3d.com/issues/android-input-dot-location-dot-start-doesnt-update-on-android-12))
    
*   Audio: Fixed an issue where a user was not being able to undo parameter changes from dragging in the GUI widget of the ParamEQ and Duck Volume effects. ([1262453](https://issuetracker.unity3d.com/issues/editing-parameq-through-dragging-on-the-graph-is-not-undoable))
    
*   Editor: Fixed an exceptions when assigning array size via array size field in ReorderableList inspector control.
    
*   Editor: Fixed ReorderableList element height issue not updating when dynamic changes to list content happen. ([1341015](https://issuetracker.unity3d.com/issues/inspectors-for-serialized-arrays-of-inputactions-no-longer-display-correctly-with-2020-dot-3-plus), [1342485](https://issuetracker.unity3d.com/issues/serializereference-array-field-background-box-is-not-correctly-resized-when-changing-elements-height), [1342814](https://issuetracker.unity3d.com/issues/the-elementheightcallback-is-not-called-when-selecting-a-different-element))
    
*   Graphics: Fixed a corruption of mip levels of non-readable ASTC cubemap texture issue. ([1383196](https://issuetracker.unity3d.com/issues/material-gets-corrupted-when-using-astc))
    
*   Package Manager: Fixed the issue where the Package Manager UI doesn't warn the user when the .unitypackage is not compatible with the current version of Unity by adding a downgrade option with warning. (1403447)
    
*   Particles: Fixed FPS mode when using a Single Row in the Texture Sheet Animation module. ([1373996](https://issuetracker.unity3d.com/issues/particles-are-played-at-the-wrong-fps-when-the-particles-texture-sheet-animation-is-set-to-single-row))
    
*   UI Toolkit: An element can now receive a PointerUpEvent notification when the mouse position is outside of the game view. ([1306631](https://issuetracker.unity3d.com/issues/uitoolkit-slider-does-not-cancel-interaction-with-mouse-when-left-mouse-button-is-released-outside-the-game-window))
    
*   Universal Windows Platform: Fixed an issue where Unity generated UWP project using hardcoded <defaultLanguage> value of en-US. ([1342532](https://issuetracker.unity3d.com/issues/unity-generated-uwp-project-defaults-to-en-us-language))
    
*   Version Control: Fixed performance regression in large projects due to FindObjectsOfTypeAll calls.
    
*   Version Control: Fixed working mode error after migration from Unity Collaborate.
    
*   WebGL: Fixed a MSAA effect issue for WebGL. ([1377547](https://issuetracker.unity3d.com/issues/webgl-msaa-effect-is-not-applied-in-build))
    
*   WebGL: Fixed an issue where building WebGL projects in folders that contain Unicode characters on Windows was not supported. ([1355858](https://issuetracker.unity3d.com/issues/trying-to-build-a-webgl-project-on-a-unicode-path-fails))
    

#### Package changes in 2021.2.15f1

#### Packages updated

*   com.unity.collab-proxy: [1.15.12](https://docs.unity3d.com/Packages/com.unity.collab-proxy@1.15//changelog/CHANGELOG.html) → [1.15.13](https://docs.unity3d.com/Packages/com.unity.collab-proxy@1.15//changelog/CHANGELOG.html)
    
*   com.unity.test-framework: [1.1.29](https://docs.unity3d.com/Packages/com.unity.test-framework@1.1//changelog/CHANGELOG.html) → [1.1.31](https://docs.unity3d.com/Packages/com.unity.test-framework@1.1//changelog/CHANGELOG.html)