Rated 5 out of 5 stars

by ths on Feb. 18, 2021 ·

I can confirm that Google sync resumes to work again if I set general.useragent.compatMode.firefox to false (= the default - I had set it to true before).

This review is for a previous version of the add-on (55.6). 

by Philippe V. (Developer) on Feb. 19, 2021 ·

thanks a lot for the trick !