Both the following shall fix the issue a priori: Bug 1729664 Comment 13 and Bug 1727938 Comment 16
But it is hard to tell as the local home calendar empty issue upon upgrade is very hard to reproduce at will. Only an affected user waiting for available update could confirm. Also it remain unclear why the following error appeared in the first place nor if any of the patch would fix the issue other than a workaround/band-aid... ````jy TypeError: item.id is null (24 times) CalStorageCalendar.jsm:2252:9 ```` -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1945368 Title: Thunderbird 91 forgets default calendar To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1945368/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
