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Thunderbird 60 slow scrolling and opening messages, high CPU, generally slow after upgrade to Fedora 28 (linux)

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ilezcano
ilezcano
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After upgrading my Fedora to 28, and my Thunderbird to the latestest in the repos (60.3.1), I get very poor performance scrolling through the interface and opening mails. The entire interface is sluggish. Rebooting in safe mode makes no difference. With TOP running, I can peg one CPU core just by scrolling or navigating between folders.

After upgrading my Fedora to 28, and my Thunderbird to the latestest in the repos (60.3.1), I get very poor performance scrolling through the interface and opening mails. The entire interface is sluggish. Rebooting in safe mode makes no difference. With TOP running, I can peg one CPU core just by scrolling or navigating between folders.

Modified by Wayne Mery

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Matt
Matt
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closing as duplicated here https://support.mozilla.org/en-US/questions/1242919