(In reply to Wayne Mery (:wsmwk) from comment #85)
> How is 128.8.0?
> Which has fixed bug 1860094
I have Thunderbird set to display the "Cards View" for my inbox.
Hovering along the list produces 50 % load across all CPU cores.
Highlighting just one entry briefly causes about 20 % CPU load, then
Presently running Thunderbird 128.6.0esr (64-bit) on a Fedora 41
installation, on top of Gnome 47 / Wayland. Different (quite more
modern) hardware than with my previous report #17.
I am still seeing quite heavy CPU load spiking across all 16 cores when
moving the mouse cursor along the e-mail lis
