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

27.0.0-beta.5

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

1、The window should show without a title bar.
2、The window should be transparent and backgrounds should be "acrylic" style.

Actual Behavior

1、window background not transparent and not "acrylic" style until I resize the window.

after resize the window:

2、If the window loses focus, a title bar is shown and it can't interact.

Testcase Gist URL

https://gist.github.com/d51806da56e0f6103859d0164b22a80a

Additional Information

No response