Firefox stopped autofilling passwords v70.0 and it completely drove me mad that all my websites weren’t showing the user/pass.
Firefox stopped autofilling passwords v70.0
Quick and really easy fix, open a new tab and type about:config and press enter. Press the big blue button to proceed.
In the search box at the top type: signon.rememberSignons by default it will be set to false, set it back to true and you can now see your usernames/passwords on your forms.