Rated 5 out of 5 stars

yazan: nicopopo tarih: Oca. 25, 2017 ·

No domain filtering
No context menu

This review is for a previous version of the add-on (3.7.2). 

yazan: Realraven (Axel Grude) (Geliştirici) tarih: Oca. 25, 2017 ·

...and must obviously be fixed. can you raise a bug please?

http://quickpasswords.mozdev.org/bugs.html

In the meantime, you can disable it via about:config setting
browser.tabs.remote.autostart = false