Hmm one second delay is a bigger and different issue to bug 1902436.
I've never seen anyone use Xorg fractional scaling on Raspberry Pi
before but I would expect it to be super slow. Because Xorg fractional
scaling effectively requires 4x the GPU power and it's only a Raspberry
Pi... I would suggest just not using fractional scaling in Xorg sessions
on low-power hardware.
You may find GNOME Shell in a Wayland session performs much better if
fractional scaling is a requirement.
** Tags added: raspi
** Changed in: mutter (Ubuntu)
Importance: Undecided => Low
** Changed in: mutter (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: mutter (Ubuntu)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/1974471
Title:
mouse becomes laggy when fractional scaling is enabled
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