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Thunderbird "not responding" with calendars after v115 update

seth16
seth16
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I have been using flatpak Thunderbird on Linux (PoP!_OS) for some time with no problems, but since the update to 115, Thunderbird regularly freezes with a "Thunderbird not responding" message, and I need to force close the app. Creating an event with the calendar was guaranteed to cause a freeze.

After a complete uninstall with `flatpak uninstall --delete-data Thunderbird` and adding back my mail account, Thunderbird now freezes instantly at launch and is completely unusable.

Any help to solve this would be appreciated.

I have been using flatpak Thunderbird on Linux (PoP!_OS) for some time with no problems, but since the update to 115, Thunderbird regularly freezes with a "Thunderbird not responding" message, and I need to force close the app. Creating an event with the calendar was guaranteed to cause a freeze. After a complete uninstall with `flatpak uninstall --delete-data Thunderbird` and adding back my mail account, Thunderbird now freezes instantly at launch and is completely unusable. Any help to solve this would be appreciated.
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Wayne Mery modificouno o

All Replies (4)

seth16
seth16 Question owner
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Running in safe mode does not help. Viewing the JS console while in safe mode, we can see several error messages: `flatpak run org.mozilla.Thunderbird --jsconsole --safe-mode`

Wayne Mery
Wayne Mery
  • Moderator
  • Top 10 Contributor
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Are you seeing Bug 1849540 - Thunderbird freezes when adding CalDAV calendar with VTIMEZONE ?

seth16
seth16 Question owner
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Where would I see this?

toon.reynders
toon.reynders
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I had the same issue, but on Windows. Tried and installed both the general release and beta client (118.0b2 (64-bit)). Adding the account and adding the adressbook (cardDAV) all works fine, but from the moment I add the agenda (calDAV) the application completely freezes up and becomes unusable.

Even when I kill the process and relaunch the application, it directly freezes up. The only solution has been to remove the profile and start all over again...

toon.reynders modificouno o