The Unity XR SDK is no longer available as we have focused our investments towards OpenXR.
XRBreaking
2021.3.52f1
LTS · Released May 22, 2025 · Changeset 1413ca6de719 · 36 release notes
Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected
Graphics.RenderMeshIndirect does not issue multi-draw rendering commands when using a graphics API capable of multi-draw commands
Updated our version of MbedTLS to 3.6.3 to address possible security vulnerabilities.
NetworkingUUM-103889fixed 6000.1.3f1
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.
Version Control
7.1.2 to 7.2.0
6.0.8 to 6.1.0
6.0.9 to 6.1.0
7.0.7 to 7.1.0
1.19.19 to 1.24.0
1.8.20 to 1.8.21
2.7.1 to 2.8.2
3.0.35 to 3.0.36
1.4.4 to 1.4.5
1.20.1 to 1.22.4
1.14.2 to 1.14.3
1.12.0 to 1.13.0
com.unity.xr.openxr@1.15.0-pre.1
Improved CopyTexture documentation (warning about using Apply, mentions of the readability property, and general improvements).
GraphicsImprovement
Fixed Sprite Editor Window settings text alignment in Preference Window.
Fixed gradle-wrapper.properties not getting updated when modifying Gradle path in "Preferences -> External Tools".
Fixed a crash when 0 vertex skinmesh.
Fixed a runtime crash when changing MSAA levels on OpenGL.
EditorFix
Fixed dropdown rendering problem when opening from the Prefab Overrides Comparison window.
Fixed freeze within cyclic compositions where internal depth limit was not being observed.
Fixed a crash when using legacy image effects with Metal stereo rendering (visionOS).
Fixed the CustomRenderTexture Shader Properties array size warning.
Replaced costly WMI videocontroller query.
Changed Device.advertisingTrackingEnabled to report status from AppTrackingTransparency on iOS 14+.
Updated error message when the Editor is attempted to be launched without an xLTS entitlement.
Fixed Process.Start hangs on intel mac editors running on apple silicon.
Fixed audio playback when minimized, when Application.runInBackground is set to true.
Corrected the name of the background image file in the output directory when using "Name Files as Hashes".
Fixed issue where Quest Link would fail when using DX12 and single pass rendering.
XRFix
Updated com.unity.xr.openxr package version to 1.14.3.
Updated com.unity.xr.openxr package version to 1.15.0-pre.1.