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

36.2.1

What operating system(s) are you using?

Windows

Operating System Version

Windows 11 Pro version 23H2

What arch are you using?

x64

Last Known Working Electron version

36.2.0

Expected Behavior

• The transparent protected browser window with frame: false should not create a frame once minimize another electron browser window

Actual Behavior

• The transparent protected browser window with frame: false created a frame once minimize another electron browser window.

Testcase Gist URL

https://gist.github.com/2b656c557332bdec1d780123da55d14d

Additional Information

=> It Seems a side effect for #47020
=> Steps to reproduce the issue by the attached test case app:

• The attached test case app has two electron browser windows and I'm calling them mainWindow and protectedWindow (the red line transparent without frame) and starting the app will present the below result.

• Minimize the mainWindow by click on the minimize button on the window frame.
• The protected window becomes has a frame even though we set frame: false
• Maximize the main window will present the below behaviour.