For the first time ever I've noticed that my OAuth2 credentials became invalid after I upgraded to Thunderbird 128.2.3esr (64-bit). They worked with version 128.2.1.
That's extremely weird and alarming but I wouldn't be surprised if it were Microsoft's issue.
Gmail is not affected.
JFY.
Hotmail OAuth2 repeat auth after upgrading Thunderbird?
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- DanRaisch
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Re: Hotmail OAuth2 repeat auth after upgrading Thunderbird?
Moving to Thunderbird Support as no specific bug has yet been identified here.
Somewhere on the right coast.
- BuddhaNature
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Re: Hotmail OAuth2 repeat auth after upgrading Thunderbird?
Might have something to do with this (I'm just reading that date of your original post).
Modern Authentication Methods now needed to continue syncing Outlook Email in non-Microsoft email apps
Modern Authentication Methods now needed to continue syncing Outlook Email in non-Microsoft email apps
OS: Windows 11 Pro.