Rated 5 out of 5 stars

by Tomek on Jan. 28, 2017 ·

Until 50.1.0 everything was ok. On 51.0.1 can't sync with Google Calendar. Error 400, bad request. Switch back to FF 50.1.0 resolve the problem.

This review is for a previous version of the add-on (2.1.5.5.3).