### Known Issues in 2021.3.52f1 - DirectX12: Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected ([UUM-90065](https://issuetracker.unity3d.com/issues/increased-memory-usage-when-update-mode-on-demand-realtime-lights-are-used-and-dx12-api-is-selected)) - Graphics Device Features: Graphics.RenderMeshIndirect does not issue multi-draw rendering commands when using a graphics API capable of multi-draw commands ([UUM-91617](https://issuetracker.unity3d.com/issues/graphics-dot-rendermeshindirect-does-not-issue-multi-draw-rendering-commands-when-using-a-graphics-api-capable-of-multi-draw-commands)) ### 2021.3.52f1 Release Notes #### Improvements - Graphics: Improved CopyTexture documentation \(warning about using Apply, mentions of the readability property, and general improvements\). #### Changes - XR: The Unity XR SDK is no longer available as we have focused our investments towards OpenXR. - XR: Updated com.unity.xr.openxr package version to 1.14.3. - XR: Updated com.unity.xr.openxr package version to 1.15.0-pre.1. #### Fixes - 2D: Fixed Sprite Editor Window settings text alignment in Preference Window. ([UUM-100716](https://issuetracker.unity3d.com/issues/misaligned-text-in-preferences-window-2d-animation-asperite-and-sprite-editor-preferences)) - Android: Fixed gradle-wrapper.properties not getting updated when modifying Gradle path in "Preferences -> External Tools". (UUM-103233) - Editor: Fixed a crash when 0 vertex skinmesh. ([UUM-93061](https://issuetracker.unity3d.com/issues/crash-on-skinnedmeshrenderer-updateskinnedmeshes-when-interacting-with-the-editor-in-a-specific-scene)) - Editor: Fixed a runtime crash when changing MSAA levels on OpenGL. - Editor: Fixed dropdown rendering problem when opening from the Prefab Overrides Comparison window. (UUM-97349) - Editor: Fixed freeze within cyclic compositions where internal depth limit was not being observed. ([UUM-49767](https://issuetracker.unity3d.com/issues/unity-freezes-when-opening-a-project)) - Graphics: Fixed a crash when using legacy image effects with Metal stereo rendering \(visionOS\). (UUM-103020) - Graphics: Fixed the CustomRenderTexture Shader Properties array size warning. ([UUM-96096](https://issuetracker.unity3d.com/issues/property-exceeds-previous-array-size-2-vs-1-warnings-are-thrown-making-it-impossible-to-work-with-the-update-zones-of-the-customrendertexture-when-updating-the-script)) - Graphics: Replaced costly WMI videocontroller query. (UUM-102971) - iOS: Changed Device.advertisingTrackingEnabled to report status from AppTrackingTransparency on iOS 14+. (UUM-101288) - License: Updated error message when the Editor is attempted to be launched without an xLTS entitlement. (UUM-103361) - Mono: Fixed Process.Start hangs on intel mac editors running on apple silicon. (UUM-101541) - Networking: Updated our version of MbedTLS to 3.6.3 to address possible security vulnerabilities. (UUM-103889) - Universal Windows Platform: Fixed audio playback when minimized, when Application.runInBackground is set to true. ([UUM-79675](https://issuetracker.unity3d.com/issues/audio-is-paused-when-the-player-is-minimized-and-application-dot-runinbackground-is-true)) - Version Control: Fixed false positive error showing in console if creating a workspace from the Hub with a version of the Unity Editor shipping with a default Version Control package older than version 2.7.1. - Web: Corrected the name of the background image file in the output directory when using "Name Files as Hashes". ([UUM-96178](https://issuetracker.unity3d.com/issues/background-image-name-is-not-being-hashed-when-using-a-webgl-build-with-the-hashed-names-option)) - XR: Fixed issue where Quest Link would fail when using DX12 and single pass rendering. #### Package changes in 2021.3.52f1 #### Packages updated - com.unity.2d.animation: [7.1.2](https://docs.unity3d.com/Packages/com.unity.2d.animation@7.1//changelog/CHANGELOG.html) to [7.2.0](https://docs.unity3d.com/Packages/com.unity.2d.animation@7.2//changelog/CHANGELOG.html) - com.unity.2d.common: [6.0.8](https://docs.unity3d.com/Packages/com.unity.2d.common@6.0//changelog/CHANGELOG.html) to [6.1.0](https://docs.unity3d.com/Packages/com.unity.2d.common@6.1//changelog/CHANGELOG.html) - com.unity.2d.psdimporter: [6.0.9](https://docs.unity3d.com/Packages/com.unity.2d.psdimporter@6.0//changelog/CHANGELOG.html) to [6.1.0](https://docs.unity3d.com/Packages/com.unity.2d.psdimporter@6.1//changelog/CHANGELOG.html) - com.unity.2d.spriteshape: [7.0.7](https://docs.unity3d.com/Packages/com.unity.2d.spriteshape@7.0//changelog/CHANGELOG.html) to [7.1.0](https://docs.unity3d.com/Packages/com.unity.2d.spriteshape@7.1//changelog/CHANGELOG.html) - com.unity.addressables: [1.19.19](https://docs.unity3d.com/Packages/com.unity.addressables@1.19//changelog/CHANGELOG.html) to [1.24.0](https://docs.unity3d.com/Packages/com.unity.addressables@1.24//changelog/CHANGELOG.html) - com.unity.burst: [1.8.20](https://docs.unity3d.com/Packages/com.unity.burst@1.8//changelog/CHANGELOG.html) to [1.8.21](https://docs.unity3d.com/Packages/com.unity.burst@1.8//changelog/CHANGELOG.html) - com.unity.collab-proxy: [2.7.1](https://docs.unity3d.com/Packages/com.unity.collab-proxy@2.7//changelog/CHANGELOG.html) to [2.8.2](https://docs.unity3d.com/Packages/com.unity.collab-proxy@2.8//changelog/CHANGELOG.html) - com.unity.ide.rider: [3.0.35](https://docs.unity3d.com/Packages/com.unity.ide.rider@3.0//changelog/CHANGELOG.html) to [3.0.36](https://docs.unity3d.com/Packages/com.unity.ide.rider@3.0//changelog/CHANGELOG.html) - com.unity.mobile.android-logcat: [1.4.4](https://docs.unity3d.com/Packages/com.unity.mobile.android-logcat@1.4//changelog/CHANGELOG.html) to [1.4.5](https://docs.unity3d.com/Packages/com.unity.mobile.android-logcat@1.4//changelog/CHANGELOG.html) - com.unity.scriptablebuildpipeline: [1.20.1](https://docs.unity3d.com/Packages/com.unity.scriptablebuildpipeline@1.20//changelog/CHANGELOG.html) to [1.22.4](https://docs.unity3d.com/Packages/com.unity.scriptablebuildpipeline@1.22//changelog/CHANGELOG.html) - com.unity.xr.openxr: [1.14.2](https://docs.unity3d.com/Packages/com.unity.xr.openxr@1.14//changelog/CHANGELOG.html) to [1.14.3](https://docs.unity3d.com/Packages/com.unity.xr.openxr@1.14//changelog/CHANGELOG.html) - com.unity.netcode.gameobjects: [1.12.0](https://docs.unity3d.com/Packages/com.unity.netcode.gameobjects@1.12//changelog/CHANGELOG.html) to [1.13.0](https://docs.unity3d.com/Packages/com.unity.netcode.gameobjects@1.13//changelog/CHANGELOG.html) **Pre-release packages added** - [com.unity.xr.openxr@1.15.0-pre.1](https://docs.unity3d.com/Packages/com.unity.xr.openxr@1.15//changelog/CHANGELOG.html)