That doesn't say anything.
A version is (usually) a number.
"Latest build/vresion" could mean different things to different people at different times.
Windows 10 Pro 1809 x64 (preferable) 17763.107
When using the FF add-on in "integration mode" and EV certificates https filtering is set to disabled in the main AG app (checkbox is marked), the add-on "kicks in" and filters the site.
Not sure if this is a bug
Win 7 x64
FF 51.0.1 x86
Sometimes ads at top of pages.
Sometimes ads are blocked but the placeholder remains (Grey/White space).
Sometimes ads & placeholder blocked.
Windows 7 x64
FF 50.1 x86
Ads appear at the top of pages, disappear and then reappear and so on.
Plus, the pages react slowly sometimes. The whole window stops responding or the scrolling is not smooth.
Win 7 x64
FF 50.1.0 x86
It's been going on for a while now, so I've used uBlock Origin, which...
When I open a Facebook page I get a banner (sometimes on the bottom, sometimes fullscreen) to join or log in to Facebook.
I've tried using the element blocking tool, but the element keeps changing.
It's usually: facebook.com###u_0_*
(* - random number or letter or both)