Shkarko Unity 2021 2021.1.7f1

Improvements
- Burst: Added Android x86_64 and re-enable x86 support.
- Burst: EmbeddedLinux Platform support added.
- Package: Visual Scripting - Migration tools were improved to allow users to migrate their project to recent Visual Scripting version.
- XR: Updated XR Plug-in Management to 4.0.3.

API Changes
- HDRP: Added: Added an info box for micro shadow editor. (1322830)
- HDRP: Added: Added support for alpha channel in FXAA. (1323941)
- XR: Deprecated: Updated Windows MR XR SDK Plug-in to 5.3.0.

Changes
- Burst: Revert to internal linkage for Android X86 (32bit) to ensure ABI compliance.
- HDRP: Changed default sidedness to double, when a mesh with a mix of single and double-sided materials is added to the ray tracing acceleration structure (case 1323451). (1323451)
- HDRP: Changed ray tracing acceleration structure build, so that only meshes with HDRP materials are included (case 1322365). (1322365)
- HDRP: Default black texture XR is now opaque (alpha = 1).
- HDRP: Disabled TAA sharpening on alpha channel.
- HDRP: Film grain does not affect the alpha channel.
- HDRP: Increased path tracing max samples from 4K to 16K. (1327729)

Fixes
- 2D: Fixed initial rendering animated tiles when a CompleteObjectUndo is registered for a Tilemap while in Play mode.
- 2D: Fixed issue when upgrading a Tilemap with invalid data where transform and color data was not maintained, and loaded from the original Tile Asset instead. (1324908)
- 2D: Fixed wrong Sprites being shown for Animated Tiles when TilemapRenderer is in Individual mode and user sets new Tiles on the Tilemap. (1329054)
- Animation: Fixed values defaulting to zero when disabling writeDefaultValue on a State and mixing. (1303570)
- Asset Pipeline: Fixed an issue where unsaved changes could be lost when renaming/moving an asset. (1329404)
- Burst: Burst no longer logs a warning when opening the standalone Profiler.
- Burst: Fixed a bug where methods with the same name and namespace, but in different assemblies, could resolve to the wrong method.
- Burst: Fixed an issue whereby default initializing the first field in a static readonly struct, but explicitly initializing a subsequent field, would result in the wrong constant data being written.
- Burst: Fixed an UnauthorizedAccessException that could occur when using Burst in players built for the macOS App Sandbox.
- Editor: Added System.IO.Compression to reference assemblies when targeting .NET 4.7.1 (editor only contexts). (1275859)
- Editor: Console window 'Clear on Recompile' option no longer clears player build errors. (1327074)
- Editor: Fixed an issue causing invalid ScriptableObjects to added as a sub-asset causing the editor to crash during serialisation. (1257558)
- Editor: Fixed Gizmo rendering code crash in some invalid WhellCollider configurations. (1326188)
- Editor: Fixed pivot settings buttons in top toolbar not updating scene views immediately. (1300924)
- Editor: Fixed the resolution, insets and safe area of the Device Simulator when simulating Android devices in windowed mode. (1217736)
- Editor: The editor no longer freezes when FixedTimestep setting in the Preferences is set to 0/0. (1326481)
- Graphics: Fixed camera not rotating in HDRP Template with input system v1.
- Graphics: Fixed issue with GrayScaleRGBToAlpha for 16bpc textures. (1327917)
- Graphics: Fixed line & trails deforming when points were too close together. (1275386)
- Graphics: Removed the error message when encountering incompatible pipeline stages on DX12. (1279311)
- HDRP: Fixed a NaN generating in Area light code.
- HDRP: Fixed camera preview with multi selection. (1324126)
- HDRP: Fixed CustomPassUtils scaling issues when used with RTHandles allocated from a RenderTexture.
- HDRP: Fixed Decal's UV edit mode with negative UV.
- HDRP: Fixed GBuffer clear option in FrameSettings not working.
- HDRP: Fixed issue with an assert getting triggered with OnDemand shadows.
- HDRP: Fixed issue with constant buffer being stomped on when async tasks run concurrently to shadows.
- HDRP: Fixed issue with history buffers when using multiple AOVs. (1323684)
- HDRP: Fixed issue with the color space of AOVs. (1324759)
- HDRP: Fixed potential NaN on apply distortion pass.
- HDRP: Fixed the camera controller in the template with the old input system. (1326816)
- HDRP: Fixed usage of Panini Projection with floating point HDRP and Post Processing color buffers.
- macOS: Removed extraneous dylibs from Contents of built mac player. (1312216)
- Package Manager: Fixed the issue where Package Manager window does not pick up the right version when there are multiple versions of the same asset in the cache. (1330231)
- Particles: Give better feedback in the Inspector about incorrectly configured SpriteAtlas assets. (1318608)
- Scripting: Ensure virtual call is made when delegate target is another delegate targeting a virtual method. (1188422)
- Scripting: Fixed crash that was caused by passing a generic type into FindObjectsOfType. (1312890)
- Serialization: Fixed Property Diff after clearing array w/refs. (1266303)
- Shadergraph: Fixed an issue where an integer property would be exposed in the material inspector as a float [1332563].
- Universal: Fixed an issue where changing camera's position in the BeginCameraRendering do not apply properly. (1318629)
- Universal: Fixed an issue where ShadowCaster2D was generating garbage when running in the editor. (1304158)
- WebGL: Fixed the Chrome deprecation warning about the use of SharedArrayBuffer. (1323832)
- XR: Fixed APK hang on Oculus Quest when debugging Vulkan APKs using RenderDoc that use lazily-allocated memory. (1325632)
- XR: Release resized XR eye textures for Vulkan. (1276514)