Editor crashes when adding/removing a UI Document Style Sheet while in Play mode

Unity: UI Toolkit Graphics

Won't Fix

6.2.X

Cannot Reproduce

6.7.X

6.6.X

6.5.X

6.4.X

6.3.X

6.0.X

Thank you for reporting a bug to Unity. We have investigated the issue but were unable to reproduce it with the information provided. This can happen due to differences in environment, project setup, or steps taken. We will close this case for now. If you're able to share additional details such as different projects, steps, hardware/software configuration, or logs - please let us know, and we'll be happy to re-evaluate.

Unity 6000.2 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

Steps to reproduce:
1. Open the attached user's project "ElGranDia.zip"
2. Open "Assets/Scenes/MainScene.unity" Scene
3. In the Hierarchy navigate to "XR Origin (VR) -> Camera Offset -> Narrative UI"
4. In the Inspector double click and open the UI Document Source Asset "NarrativeHUD"
5. At the top of the UI Builder window add a USS style sheet
6. Navigate to "RootProject/Assets/UI/NarrativeHUD.uss"

Expected result: no crash
Actual result: crash

Reproducible with: 6000.0.59f1, 6000.2.7f1
Not reproducible with: 6000.3.0b4, 6000.4.0a1

Environment tested: Windows 11 24H2

Notes:
-Meta link is not required to reproduce the crash, however it has a higher chance to occur when using a Quest device with Meta Link
-Crash sometimes manifests when either adding or removing a USS style sheet via the UI Builder
-Crash reproduces with D3D12 and D3D11
-Stracktrace:
0x00007FFF35F9A882 (d3d11) D3DKMTOpenResource
0x00007FFE26D3EC93 (Unity) GfxDeviceD3D11Base::DrawBuffers
0x00007FFE2857C2AD (Unity) GfxDeviceWorker::RunCommand
0x00007FFE2857FA2C (Unity) GfxDeviceWorker::RunExt
0x00007FFE2857FB5F (Unity) GfxDeviceWorker::RunGfxDeviceWorker
0x00007FFE269B51CE (Unity) Thread::RunThreadWrapper
0x00007FFF3BFBE8D7 (KERNEL32) BaseThreadInitThunk
0x00007FFF3C928D9C (ntdll) RtlUserThreadStart

Editor crashes when adding/removing a UI Document Style Sheet while in Play mode

Unity: UI Toolkit Graphics

Won't Fix

Cannot Reproduce

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

Editor crashes when adding/removing a UI Document Style Sheet while in Play mode

Unity: UI Toolkit Graphics

Statuses

Won't Fix

Cannot Reproduce

Resolution Notes

6.2.XWon't FixUnity 6000.2 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?