'backgroundMaterial' is not work in frameless window #38466
Description
Preflight Checklist
- I have read the Contributing Guidelines for this project.
- I agree to follow the Code of Conduct that this project adheres to.
- I have searched the issue tracker for a bug report that matches the one I want to file, without success.
Electron Version
24.4.0
What operating system are you using?
Windows
Operating System Version
Windows 11 22H2
What arch are you using?
x64
Last Known Working Electron version
No response
Expected Behavior
The feature of backgroundMaterial could work on frameless window, or it can work when the titleBarStyle is hidden.
Actual Behavior
The feature of backgroundMaterial is not work when set frame: false or titleBarStyle: hidden.
Testcase Gist URL
No response
Additional Information
No response