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Thunderbird on MacBook Air is extremely slow.

Thunderbird Crashing and slow performance
Wayne Mery replied
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Hello. The Thunderbird on my MacBook Air is extremely slow and slowing down the other applications. On the other hand, Thunderbird works perfectly on my iPhone. What can I do?’

Hello. The Thunderbird on my MacBook Air is extremely slow and slowing down the other applications. On the other hand, Thunderbird works perfectly on my iPhone. What can I do?’

Modified by Wayne Mery

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Wayne Mery
Wayne Mery
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Please visit https://wiki.mozilla.org/Thunderbird:Testing:Memory_Usage_Problems