Rated 4 out of 5 stars

yazan: Anonymoususer261330 tarih: Ara. 18, 2016 ·

but recently i can't rename anything.
ff 50, ff 51 and up...

This review is for a previous version of the add-on (2.0.28). 

yazan: Mime Čuvalo (Geliştirici) tarih: Oca. 9, 2017 ·

Hello, I'll take a look. This is broken on developer versions on Firefox but not on stable release versions so I haven't gotten around to looking at it yet.