[Bug]: Desktop capturer thumbnails are generated in a low quality

[MaximKalinin]

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

29.1.0

What operating system are you using?

macOS

Operating System Version

macOS Sonoma 14.4 (23E214)

What arch are you using?

arm64 (including Apple Silicon)

Last Known Working Electron version

29.0.1

Expected Behavior

Thumbnails are generated with a good quality. (example from electron 29.0.1)

Actual Behavior

Thumbnails are generated blurry.

Testcase Gist URL

https://gist.github.com/7944bd3381db8d1cf6d7a4eca86b073e

Additional Information

No response

[codebytere]

@MaximKalinin have you given your app permission to screen record?

[MaximKalinin]

@MaximKalinin have you given your app permission to screen record?

Yes, I did.