[sph]

Smooth mouse input, especially when using high-DPI mice, is something that's been fixed in GNOME 42 due to release soon.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1915

[jancsika]

From that link:

> Nothing has been done here to avoid potential wayland event queue overflows, as IIUC this is being worked on separately. Although I should probably also mention that this hasn't been seen in the wild during this work.