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Known Issues in 2021.1.2f1
Addressable Assets: Performance bug reported by the DOTS team in PreloadManager::WaitForAllOperationToComplete (1322086)
2D: [Skinning Editor] Vertex can't be created after modifying Vertexes weight and when Sprite is from the .psb file (1322204)
Windows: [Windows 7] "WindowsVideoMedia error 0xc00d36b4" error is thrown when loading a video with the VideoPlayer (1306350)
Scripting: Increased Script Assembly reload time (1323490)
Asset Bundles: Synchronous Asset Loading Does Not Correctly Load Preload Dependencies (1321141)
Linux: Linux Editor crashes at "_XFreeX11XCBStructure" when loading tutorials (1323204)
Asset Importers: [Performance Regression] Importing an fbx model is noticeably slower when the model contains Animations (1265275)
Terrain: Crash on TreeRenderer::WillRenderTrees when being in Play Mode for several seconds (1317966)
IMGUI: Contents of a ModalUtility window are invisible when it is launched from a Unity Context Menu (1313636)
Global Illumination: Reflection probes doesn't contain indirect scene lighting after the on-demand GI bake from the Lighting window (1324246)
Packman: User can't easily configure location of both UPM and Asset Store package local cache (1317232)
Serialization: Crash in SerializedProperty::IsValid when reordering a SerializedProperty list (1320319)
Global Illumination: [GPUPLM] Crash in RadeonRaysMeshManager::RemoveGeometry while baking Terrain game object with 4k lightmaps on certain GPU (1255993)
Terrain: Terrain Lit Opacity as Density option causes alpha'd areas on the 5th layer or greater to appear with artifacts (1283124)
Global Illumination: Wintermute::Geometry::Verify errors are spammed when baking a Mesh with Mesh Compression set to Medium/High (1319133)
Cloth: Cloth is broken when parent GameObject scale is lower than 1 and Surface Penetration constraints are set 0 (1319488)
XR: OpenXR + URP + UWP rendering stuck (1323833)
MacOS: [macOS] "build is damaged and cannot be opened" error when downloading Unity build from internet (1323501)
Packman: Package Manager incorrectly shows that there are no packages in a new project (1319205)
Scripting: Crashes on mono_class_init when entering Play Mode after recompiling scripts (1262671)
Asset Importers: Wintermute::Geometry::Verify errors are spammed when baking a Mesh with Mesh Compression set to Medium/High (1313968)
2D: [URP] The Camera renders black screen when Post Processing is enabled in the 2D Renderer and in the Camera Component (1318500)
Polybrush: [PolyBrush] Something went wrong saving brush settings Warning is thrown when Saving a Brush after opening the PolyBrush Window (1315475)
2021.1.2f1 Release Notes
Graphics: Add control to independently clear stencil buffer in CommandBuffer api.
Scripting: CompiliationPipeline.GetAssemblies will now correctly include Roslyn analyzers in ScriptCompilerOptions.
XR: Removed "Preview" text from UI display element.
Graphics: Added: New API functions with no side effects in DynamicResolutionHandler, to retrieve resolved drs scale and to apply DRS on a size.
Graphics: Added: New API in DynamicResolutionHandler to handle multicamera rendering for hardware mode. Changing cameras and resetting scaling per camera should be safe.
HDRP: Updated Wizard to better handle RenderPipelineAsset in Quality Settings
Package: Updates com.unity.cinemachine to 2.7.3
Shadergraph: Fixed a bug where property deduplication was failing and spamming errors (1317809)
Timeline: Updated Timeline package to version 1.5.4.
XR: The Oculus XR Plugin package has been updated to 1.9.0.
Animation: Fixed issue where Timeline would stay stuck after going to Play Mode. (1315060)
Asset Import: Fixed issue where OnAssignedMaterialModel is not called for meshes that get a default material assigned. (1307374)
Asset Pipeline: : Fixed asset that could get reported when projectsetting.asset file is modified directly. (1270162)
Build Pipeline: Fixed excessive garbage collection occurring during the build process. (1318468)
Editor: Fixed "Lightmap Static" being displayed instead of "Contribute GI" in the editor Static flags dropdown. (1298221)
Editor: Fixed "TLS Allocator" error when using Asset Store Tools. (1303631)
Editor: Fixed for Window with 'hasUnsavedChanges' set to true not being saved when closed with Middle Mouse Button. (1307671)
Editor: Fixed IsArrayReorderable method producing errors in Reflect package (1321782)
Editor: Fixed multi-target ReorderableLists that have more than the maximum allowed multi-edit number of elements appearing as empty (1317103)
Editor: Fixed ReorderableList allocating memory when getting multi-target array size (1297993)
Editor: Fixed reordering lists with Gradient elements being visually outdated after reorder (1315679)
Editor: On Windows, a maximized instance of Unity on a second, lower resolution display will now remain maximized on that display when the Editor is restarted. (1314966)
Editor: Removed EditorGUIUtility.GetSkinnedIcon and EditorGUIUtility.GetSkinnedIconForDpi to fix unloading of unused textures. Moved part of the implementation in C++ while keeping the features provided by the removed functions. (1308097)
Editor: Using an unsupported keyCode in a shortcut attribute no longer throws any exceptions. (1303144)
GI: Fixed a null pointer bug in graphics bindings. (1310875)
GI: Fixed progressive updates not working for the first bake of an editor session. (1300926)
Graphics: Calculating correct rtHandleScale by considering the possible pixel rounding when DRS is on
Graphics: First Material data is used for Shadowmap rendering when using multiple Materials with the same Shader and different properties (1304644)
Graphics: Fix for async texture deletion to make sure graphics commands have completed first. (1280073)
Graphics: Scissor test was automatically disabled when changing render-targets. It is not the case anymore and is consistent with other platforms.
HDRP: Fixed missing Update in Wizard's DXR Documentation
HDRP: Fixed multicamera rendering for Dynamic Resolution Scaling using dx12 hardware mode. Using a planar reflection probe (another render camera) should be safe.
HDRP: Fixed pixelated appearance of Contrast Adaptive Sharpen upscaler and several other issues when Hardware DRS is on
IMGUI: Fixed an issue where clearing search field using 'x' button does not register changed event. (1306036)
iOS: Fixed a UnityWebRequest issue that caused freezing on background/resume when the device is offline. (1315244)
iOS: Fixed FixedUpdate being called on startup more times than should be to account for Time.deltaTime on first Update. (1318647)
Particles: Fixed incorrect error check in SetParticles that would cause an exception to be thrown when the offset value was equal or greater than the particles array length. (1313413)
Physics: Ensure that a Kinematic Rigidbody2D continues to accept MovePosition and/or MoveRotation commands when nested as a child of another Rigidbody2D. (1320783)
Physics: Fixed Collision.relativeVelocity being calculated incorrectly when an ArticulationBody was part of the contact pair. (1310485)
Scene Manager: This change prevents Unity from crashing when the asset of the current opened scene has been deleted, a new scene asset is imported, with same GUID, and the user chooses "reload". (1309393)
Scripting: Fixed Filename/Line extraction in logs not working correctly in some edge cases. (1300479)
Scripting: Fixed a problem when adding UI Toolkit pkg to a project where a scripted imported from the pkg would get rejected and exceptions would be reported to the user. (1269167)
Scripting: Fixed ScriptUpdater crash when Editor is installed in a folder with spaces in the path. (1309831)
Serialization: Fixed regression where Event code could be stripped from build when using il2cpp. (1301147)
Services: Fixed a bug where the crash reporting symbol uploader process would crash on Apple M1 hardware.
Services: Fixed a bug where the crash reporting symbol uploader process would crash on parsing certain dSYM files.
Shaders: Fixed #pragma once directive not working correctly with the caching preprocessor (1322879)
Shaders: Fixed a rare crash when upgrading shaders. (1299790)
Shaders: Fixed incorrect code generated by HLSLcc for textureQueryLod GLSL function (1314040)
Shaders: Fixed incorrect line numbers reported for errors in shader files when using Caching preprocessor (1318689)
Shaders: Fixed shader compilation regression on Win 7 (1318359)
Shaders: Fixed shader keyword overflow when doing a build (1297800)
Shaders: Fixed sprites using default sprite material not rendering in the Editor when build target is set to console (1318066)
Timeline: Fixed error message when playing an audio track from its last sample. (1319163)
Video: Calling VideoPlayer.Prepare and VideoPlayer.StepForward produces a frame on a Render Texture (1318270)
WebGL: Added support for detecting Chrome and Firefox browsers on iOS devices. Fixes an issue that Chrome and Firefox browsers would fail to load on iOS 14.4. (1316861)
WebGL: Changed behavior of
Application.OpenURL()for the WebGL platform to open an URL in a new browser tab instead of opening the URL in the current browser tab and thus navigating away. (1320393)
Windows: Setting a custom cursor now respects Windows DPI and Ease of Access settings related to the cursor size. (1305480)
XR: Always disable optimized frame pacing when using XR. (1288764)
XR: Fixed rect used by scissor test on Vulkan (1203183)
XR: Fixed URP Vulkan shows low perf on stress test when running development build. (1299445)
XR: Updated XR Interaction Toolkit to 1.0.0-pre.3.