Thunderbird Performance with Large Calendars

kfr- <[email protected]> Mon, 17 Oct 2016 13:52:37 -0700 (PDT)
Newsgroups gmane.comp.mozilla.devel.calendar
Message-ID <[email protected]>
We are seeing poor performance when a user adds a number of calendars.

We are using ical.js.

Thunderbird can take 5+ minutes to load and seems bogged down after all the calendars are loaded.

Do you have any suggestions on what to look at specifically?