HANDY! Rated 5 out of 5 stars

I installed it some time in the last couple of months...
WORKED fine on
FF v54.0.1
and BECAUSE of the MOZILLA INSANITY
scrapping the XUL/XPCOM extension system.. I have moved to FF v52.x the ESR release... for now.. and having installed Waterfox a fork of Firefox.. :D :D WORKS great there too!

EDIT1:
new idea [feature request]
ADDING
- distinct ICONS to the context menu to make it a bit easier to differentiate between entries,
AND
- [hr] dividers to separate chunks of selections more more readability.. OH you already have a few... they area reather HARD to see though so maybe ADD more and make them BOLD/thicker??

EDIT2 (2017-10-03):
adding url links for the version and beta version pages
to the context menu... for rapid access of these web pages
besides the default AMO Ext. page