Open Bug 1816383 Opened 3 years ago Updated 5 months ago

Alarms multiply for recurring events

Categories

(Calendar :: Alarms, defect)

Thunderbird 110
x86_64
Linux
defect

Tracking

(Not tracked)

People

(Reporter: mozilla, Unassigned)

References

(Blocks 1 open bug)

Details

I have a few recurring events in my caldav calendar (synched from a Nextcloud instance) where I observe that the event alarms multiply with time. I cannot really tell when this happens but it could be that every occurrence the alarm gets duplicated. This happens for both one event with a single alarm and an event with multiple alarms.

I don't think I have this seen happening with local ics calendars. But since the alarms happen only every few days, I cannot really say that this is reproducible.
If this gives a hint to somebody: the affected caldav calendar is set to refresh every 30 minutes, show reminders, and offline support.

This is currently happening to me on TB 110.0b4 20230206190203 on Linux but I have certainly seen this on a few betas before 110. Sorry, to be so vage...

This is still happening with TB v114.0b2 (just updated to v114.0b3).
As before, I cannot really tell what triggers this, but if anyone has an idea how to track it down I'm certainly willing to help!

Blocks: 1314185
See Also: → 1820115
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