Distribution

Mint 21.3

Package version

Muffin 6.X

Graphics hardware in use

Intel Iris

Frequency

Always

Bug description

Black outlined rectangles flicker around UI elements, buttons, windows etc.

Possibly related issues:
https://gitlab.gnome.org/GNOME/mutter/-/issues/1500

https://discourse.gnome.org/t/weird-windows-flickering-borders-on-gnome-3-36-with-fractional-scaling-enabled/3953

Potential fixes:
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1554

Steps to reproduce

Enable fractional scaling

Expected behavior

No lines

Additional information

No response