We can rule out Mutter and the kernel. I found that the bug doesn't
exist in ubuntu-26.10-snapshot2-desktop-amd64.iso until I do a full-
upgrade. And then the bug appears without restarting the shell or
rebooting. So it seems like a GTK to Glib issue. Maybe Mesa, but that
seems less likely.
** Changed in: mutter (Ubuntu)
Status: In Progress => Invalid
** Changed in: mutter (Ubuntu)
Milestone: ubuntu-26.10 => None
** Changed in: linux (Ubuntu)
Status: New => Invalid
** Also affects: gtk4 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: glib (Ubuntu)
Importance: Undecided
Status: New
** Package changed: glib (Ubuntu) => glib2.0 (Ubuntu)
** Also affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2164623
Title:
[regression] Kinetic scrolling is stuttering in 26.10 (it doesn't in
26.04)
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