Comment 2 for bug 2042365

I noticed this previously on macOS as well (which is also running at a different display scale), but haven't seen it yet on the master branch which is ported to GTK4.
If possible, could you try out the latest build (either by compiling from Github, or trying the installer from https://github.com/PintaProject/Pinta/actions/runs/6758303780 (requires a GitHub login to access the download link)