Gnome Shell stutters again in 31.20190907.n.0

31.20190905.n.0 was super smooth.
Does anyone have similar observations?
What changed?

I have intel UHD Graphics 630 Coffeelake, Intel i7-8700B CPU and 4K monitor (fractional scaling 125%)

Hi @tpmajer,

There was an issue with mutter last week that caused some stuttering for people with apps and the mouse pointer. A patch has been submitted in the GNOME GitLab. Everything should be running smoothly again next week when GNOME 3.34 is released on Tuesday Sept. 11th.