Editor windows render black and flicker after Editor has been idle for some time

Unity: Native Editor Window Foundation

MacEditor

Cannot Reproduce

6.7.X

6.6.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.

Reproduction steps:
1. Create a new project
2. Leave the Editor unfocused for up to 1 hour
3. Move the cursor around and observe the Editor windows

Actual result: Most or all Editor windows render black and flicker when moving the cursor
Expected result: Editor windows are rendered correctly

Reproducible with: 6000.6.0a7, 6000.6.0b2, 6000.7.0a2
Not reproducible with: 6000.0.78f1, 6000.3.19f1, 6000.5.2f1, 6000.6.0a6

Reproduced on: macOS Tahoe 26.5 (M4), macOS Tahoe 26.5 (M1), macOS Tahoe 26.4 (M1)
Not reproduced on: Windows 11, Ubuntu 24.04

Notes:

FAV might be wrong due to the issue being very inconsistent to reproduce
Having a VisualTreeAsset opened in Context mode might be needed to reproduce the issue

Editor windows render black and flicker after Editor has been idle for some time

Unity: Native Editor Window Foundation

Cannot Reproduce

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Editor windows render black and flicker after Editor has been idle for some time

Unity: Native Editor Window Foundation

Statuses

Cannot Reproduce

Resolution Notes

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?