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Unity 2021.3.52f1

Released on May 22, 2025

Install

Manual installs

Component installers

Release

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)

  • Graphics Device Features: Graphics.RenderMeshIndirect does not issue multi-draw rendering commands when using a graphics API capable of multi-draw commands (UUM-91617)

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)

  • 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)

  • 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)

  • 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)

  • 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)

  • 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)

  • XR: Fixed issue where Quest Link would fail when using DX12 and single pass rendering.

Package changes in 2021.3.52f1

Packages updated

Pre-release packages added

Changeset: 1413ca6de719

Third Party Notices

For more information please see our Open Source Software Licences FAQ on the Unity Support Portal

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