[Bug 1959747] Re: [upstream] Very high CPU and slow responsiveness in Thunderbird 91-102

[Mantas Kriaučiūnas]

** Summary changed:

- [upstream] Very high CPU and slow responsiveness in Thunderbird 91
+ [upstream] Very high CPU and slow responsiveness in Thunderbird 91-102

** Description changed:

- Very high CPU and slow responsiveness in Thunderbird 91.5.0. Just moving
- the mouse cursor over a message list results in 365% CPU for me.
+ Very high CPU and slow responsiveness in Thunderbird 91.5.0 and later.
+ Just moving the mouse cursor over a message list results in 365% CPU for
+ me.
  
  I had to set this in the config editor to fix it:
  
    gfx.webrender.force-disabled = TRUE
  
  Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1730423

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Title:
  [upstream] Very high CPU and slow responsiveness in Thunderbird 91-102

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