Download Unity 2021 2021.1.13f1

Improvements
- Editor: Improved Inspector Preview performance for complex prefabs. (1295887)
- Physics: Improved the stability of the HingeJoint2D angular lower/upper limits when using higher motor/external forces. (1339471)

Changes
- Editor: Updated com.unity.cinemachine to versions 2.7.4/2.8.0-pre.1.
- Package: Updated com.unity.purchasing to version 3.2.2.
- XR: Updated OpenXR Package to version 1.2.2.

Fixes
- 2D: Fixed missing reference on 2D default assets when upgrading project from 20.3. (1341434)
- AI: Fixed an OffMeshLink and NavMeshLink issue where sometimes they are not automatically reconnected after navigation mesh carving. (1287238)
- Android: Fixed an issue where there was an incorrect label for Proguard template. (1316757)
- Android: Fixed an issue where all microphones reported the same recording state when bluetooth microphone was connected. (1298249)
- Android: Fixed compositor error log when using linear rendering on some MediaTek/PowerVR SoCs. (1330183)
- Android: Fixed severe disk I/O regression on Android 5.0.x. (1287681)
- Animation: Fixed performance regression when updating curves in Animation Window. (1320250)
- Asset Pipeline: Fixed an issue where "GetRequiredComponents result must be in cache, if requested from non-main thread." assert got raised, when downloading asset from cache server. (1338565)
- Asset Pipeline: Fixed for loaded native assets that could get unnecessarily reloaded after a domain reload. (1323425)
- Core: Fixed an issue that caused incremental garbage collection to sometimes fail to use all of the available spare time before vsync. (1329186)
- Documentation: Fixed a html issue in TestRunnerApi API code snippet.
Fixed a typo in PreBuildSetup code example.
Fixed an incorrect syntax in command line reference.
- Editor: Fixed an issue where the editor showed the static batching with instancing shaders warning when static batching was disabled for the current build platform. (1332277)
- GI: Fixed a black baked reflection probes issue when using a non-progressive baking. (1324246)
- Package Manager: Fixed the 401 Response code when a user tried to download a paid asset store package in My Assets.
Check ToS agreement before download and redirect user to Asset Store web page in order to read and accept terms. (1335976)
- Particles: Fixed an occasional error message and invalid bounding box, when using the Collision Module in Planes mode. (1282268)
- Scripting: Fixed a crash when generic type derives from abstract MonoBehaviour. (1333819)
- Scripting: Fixed the error message displayed when drag&dropping a script file that had no matching class onto a game object. (1106237)
- Scripting: Fixed Time.unscaledDeltaTime from returning negative values when OnDemandRendering was used. (1329148)
- UI Elements: Fixed drawing behavior issue when multiple inspectors were opened and multiple objects were selected.
- UI Toolkit: Fixed an issue with inspector fields failing to get focused when clicked depending on neighboring fields. (1335344)
- UI Toolkit: Fixed an UnauthorizedAccessException error that was thrown when trying to save files under Version Control. The fix is to ensure to checkout control-versioned uss and uxml upon save. (1316724)
- VFX Graph: Fixed a possible crash with sorting on particle system without kill. (1333851)
- VFX Graph: Fixed an unexpected missing binding of deadElementCount dispatching sort issue. (1311837)
- WebGL: Fixed an issue where Enabling "Frame Timing Stats" option in the Standalone Player Settings breaks WebGL1. (1297871)