[Desktop-packages] [Bug 1959747]

2022-11-28 Thread Mozilla-c
> Perhaps it's not actually realted to webrender, I just assumed that because > disabling it solved problems in the past. +1. Webrender on/off does not matter here at all. Maybe also worth mentioning: I am on a 10th gen Intel GPU with 6.0.9-zen1-1-zen kernel Boring workaround: Switch to clas

[Desktop-packages] [Bug 1959747]

2022-11-21 Thread Mozilla-c
> It seems that the high CPU usage and slow UI update is worse when the message list is big and the window is big. If I make it that only 10 rows are visible, it seems to be faster. Here is a profile of the mouse moving around a large message list. I can confirm exactly this! Working on a 2 screen