Ubuntu
thunderbird package

  1. Bug #1945368
  2. Comment #21

Comment 21 for bug 1945368

Revision history for this message
In , P-rich (p-rich) wrote :

Confirm, it occurred using TB internal calendar (formerly Lightning) not any external calendar.

Reinstalling TB 78, restoring profile, then exporting calendar and importing that into TB 91 recovered it.

It's an update problem.

Richard