Lags with beachball when selecting text
Since I've upgraded to macOS 10.13.1 High Sierra from Sierra (10.12.x) I've noticed that Thunderbird will lag often with the beachball. This is more pronounced when selecting typed text in a new composed email window, using command+arrow key for full line or option+arrow key for single word.
Since I've upgraded to macOS 10.13.1 High Sierra from Sierra (10.12.x) I've noticed that Thunderbird will lag often with the beachball. This is more pronounced when selecting typed text in a new composed email window, using command+arrow key for full line or option+arrow key for single word.
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Also seems to occur when closing windows/tabs as well. The delay occurs then I'm prompted to save email (if composing).