Rated 4 out of 5 stars

Seems like a very promising extension! However it seems to convert nordic letter (ä, ö. å) to their encoded equivalents so that addresses with those letters look messed up. Also if the address is very long clicking the URL field from the far right activates one of HD's drop down lists.

This review is for a previous version of the add-on (5.1-signed.1-signed). 

v6 dedicates the whole location bar to the url if you select the url, so you won't accidentally activate the category drop down lists.

Just to double check, you get the %escaped codes? Such as..
www.google.com/search?q=%C3%A4,+%C3%B6.+%C3%A5
You would want that to show up as:
www.google.com/search?q=ä, ö. å

https://github.com/mozilla/prospector/issues/305