Ubuntu
thunderbird package

  1. Bug #1959747
  2. Comment #41

Comment 41 for bug 1959747

Revision history for this message
Thibaut Vandervelden (thvdveld) wrote : Re: [upstream] Very high CPU and slow responsiveness in Thunderbird 91

I am also seeing the same behaviour. Previously I just disabled the WebRender as well (since that made the difference in being not laggy), just to make Thunderbird useable. Here is my profile when moving the mouse over the messages: https://share.firefox.dev/3CCIknA