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140.7.1esr IMAP delay when moving messages (7-second delay)

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glozon
glozon

Hi,

Since updating to Thunderbird 140.7.1esr (64-bit) on Windows 11, moving messages from Inbox to any folder takes about 7 seconds.

Details:

Account type: IMAP (Cogeco)

Happens in all folders

Inbox has ~600 messages (not large)

Was working normally before the recent update

Delay occurs every time moving a message from Inbox to another folder

No freezing — just a delay before the move completes

No antivirus changes

Issue started immediately after update

This appears to be related to IMAP sync behavior introduced in 140.x.

Has anyone else reported this, or is there a known regression?

Thank you.

Hi, Since updating to Thunderbird 140.7.1esr (64-bit) on Windows 11, moving messages from Inbox to any folder takes about 7 seconds. Details: Account type: IMAP (Cogeco) Happens in all folders Inbox has ~600 messages (not large) Was working normally before the recent update Delay occurs every time moving a message from Inbox to another folder No freezing — just a delay before the move completes No antivirus changes Issue started immediately after update This appears to be related to IMAP sync behavior introduced in 140.x. Has anyone else reported this, or is there a known regression? Thank you.

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