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Known Issues in 2021.2.16f1
Asset - Database: Texture size increased on first build when 'Compress Textures/Assets on Import' is enabled (1397965)
Asset Bundles: Asset Bundle size incrementally increases when updating the Unity Editor and rebuilding the Asset Bundle (1391542)
Customer QA Onboarding: WebGL Input System interactions are delayed or played preemptively when the project is built (1405517)
DirectX11: Crash on GfxDeviceD3D11Base::ResolveDepthIntoTexture when opening the project (1408785)
DOTS: "IndexOutOfRangeException" errors appear when entering Play Mode if using "AsDeferredJobArray" (1395710)
Linux: Crash on GetGameControllerMapping when plugging in the Magic-NS wireless controller adapter in XInput mode (1329301)
Linux: Player settings and other options are locked after script compilation (1380015)
Metal: Consistent EditorLoop 5-10ms spikes when using Metal API (1378985)
Metal: Editor crashes on BufferMetal::IsBusy after opening a Scene (1405248)
Progressive Lightmapper: Unity crashes on some Windows7 PCs when tbb12.dll gets loaded (1361676)
Progressive Lightmapper: [GPU PLM] Crash after enabling Auto at the end of Bake - OpenCLRenderLightmapBuffers.HasBakingBuffers() (1389093)
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)
Scene Management: Crash with "Transform::InitializeTransformHierarchyRecursive" when using undo after swapping Prefabs (1400170)
Scene/Game View: Camera resolution is set to default when opening the Editor (1378321)
Shadows/Lights: Scene is brighter in Standalone player if it was open in the Editor at build time (1375015)
Terrain: Material keyword APIs don't list keywords when using a newly imported SpeedTree (1398133)
uGUI: Extra OnEnter and OnExit event calls when hovering over UI elements (1394226)
uGUI: Prefab is glitchy while editing in Prefab Mode when parent Canvas Render Mode is set to Screen Space - Camera (1394756)
Vulkan: [Editor] The Scene's GameObjects textures are seemingly random and change colours depending on the Scene's Camera pos. (1337772)
Vulkan: [HDRP] [Vulkan] Crash on vk::DataBuffer::CreateResource on opening Shader Graph Sample Project with Vulkan API (1225488)
XR SDK: [XR][Linux] Scene View doesn't render when opening new AR or VR Template project or pressing "Show Tutorials" (1362435)
2021.2.16f1 Release Notes
2D: Optimized texture space needed for rect packing in PSDImporter.
URP: Added support for FidelityFX Super Resolution 1.0 upscaling filter.
URP: Added support for user-selected upscaling filters. Current options are automatic, bilinear, and nearest-neighbor.
2D: Fixed an issue where a user was unable to change mipmap settings in PSDImporter inspector. (1379426)
2D: Fixed an issue where control point selection flickers when dragging and multi-selecting points in scene. (1382695)
2D: Fixed an issue where SpriteShape corner does not respect the ControlPoint height. (1400229)
2D: Fixed an issue where SpriteShape Corner was not set when setting multiple corners. (1378775)
2D: Fixed an issue where SpriteShape with Cache Geometry enabled does not update arrays when saving scene off-screen. (1399392)
2D: Fixed an issue where SpriteShapeGeometry Cache does not update when selecting a different Object when EditTool is active. (1392653)
2D: Fixed an issue where the animation window's preview of IK targets would not be the same as in Play Mode. (1391590)
2D: Fixed an issue where the collinear vertices coult not safely deleted from the sprite mesh in Skinning Editor. (1361541)
2D: Fixeda null exception when importing files with masks in PSDImporter. (1388820)
AI: Fixed game freezing when using NavMesh.Raycast() with a NavMesh that contains an unexpected invalid polygon. (1346645)
Android: Change boost documentation and timing values in the simulator to reflect the boost mode timing of 10s instead of the previous 15 seconds as it changes on the driver side.
Android: Fixed a frequency change error case (e.g. when boost is activated). Does not retry every frame. Manual retry is required.
Android: Fixed a warning 'IAdaptivePerformanceSettings.k_AssetVersion' when building the project. (1373192)
Android: Fixed an issue where the bottleneck profiler colors did not reflect warning states correctly.
Android: Fixed simulator where temperature level and trend would not get updated when thermal action was updated.
Animation: Fixed null reference in AvatarMaskInspector on ToggleAll (1369846)
Build Pipeline: Fixed edge case passing in missing or deleted objects could crash the Editor during the build. (1357414)
Build Pipeline: make script compilation work on windows7 again (1408591)
Core: Update libcurl to 7.80 to address security vulnerabilities (1383040)
Editor: CPU and GPU usage goes up when a tooltip pops up (1401912)
Editor: tooltips not closing automatically when the mouse moves out from the rect of the ui part that triggered them
Graphics: Fixed an unnecessary memory allocation issue inside FSR's RCAS shader constants helper function.
Graphics: Fixed a negative scaling which caused the scene view ui to disappear. (1378547)
Graphics: Fixed an issue where encoding R8, R16, RFloat and RHalf to EXR did no encodes to a grayscale image. (1343287)
Graphics: Fixed an issue where the 16-bit FSR implementation was no automatically enabled when supported by the target platform by removing FSR_ENABLE_16BIT option from FSRCommon.hlsl.
Graphics: Fixed cubemap array macros for GLCore.
Graphics: Fixed texture gather macros for GLCore and moved them from target 4.6 to target 4.5.
HDRP: Fixed a camera motion vector pass issue where reading last frame depth texture.
HDRP: Fixed a null reference issue in CollectLightsForRayTracing. (1398381)
HDRP: Fixed an issue with detail normals when scale was null. (1399548)
HDRP: Fixed an issue with shader graph custom velocity and VFX. (1388149)
HDRP: Fixed motion vector rendering with shader graph with planar primitive (1398313)
iOS: Fixed a unityWebRequest issue with uploading with automatic authorization. (1341009)
Linux: Fixed crash when cancelling unity loading of the project after enter safe mode prompt. (1374087)
Profiler: Fixed an error on Metal which caused "Assertion failed on expression: 'gpuFrequency != 0'" assert in Editor. (1368520)
Scripting: Fixed an issue where Unity would not print to console all user assemblies which reference UnityEngine/UnityEditor dll's, where the file name didn't match the assembly name. (1345099)
Serialization: Fix crash when setting an instance containing an empty list field in SerializedProperty.managedReferenceValue and then using SerializedObject.ApplyModifiedProperties. (1398729)
Serialization: Fixed a crash when entering into playmode and user would change domain during OnBeforeSerialize. (1316002)
UI: Fixed a build error when _MainTex was not present in ui shader. (1394042)
UI Toolkit: Fixed button click happening when mouse was released from behind an element that wa drawn in front of the button but within its boundaries. (1360188)
UI Toolkit: Fixed hover state not updated properly on Button when using touch-based pointer events to activate it. (1353921)
UI Toolkit: Fixed VisualElements in runtime panels sometimes retaining a hover state despite the mouse moving to another element, when the new element overlaps it and belongs to another panel. (1366284)
URP: Fixed an incorrect shadow batching and shadow length.
URP: Fixed an issue in where the _ScreenParams was not setup correctly.
URP: Fixed an issue where 2D global lights with shadows enabled could break light layer batching.
URP: Fixed decal automatic technique to correctly work with webgl. (1370326)
URP: Fixed FXAA quality issues when render scale was not 1.0.
URP: Fixed several Native RenderPass issues regarding input attachments, DepthOnly pass, and Decals.
VFX Graph: Fixed an exception when changing the setting of space of a shape to world. (1389076)
VFX Graph: Fixed Picking and Selection passes issue. (1382788)
Web: Fixed an issue where there was a missing truthiness check for getSupportedProfiles(). (1394392)
WebGL: Fixed a playback of wrong audio clip issue. (1365565)
Package changes in 2021.2.16f1