Ubuntu
thunderbird package

  1. Bug #1959747
  2. Comment #29

Comment 29 for bug 1959747

Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: [upstream] Very high CPU and slow responsiveness in Thunderbird 91

If I revert the above settings then the problem gets even worse. So it seems we might have multiple different 100% CPU bugs now.