This doesn't install at all, the button "Add to Firefox" is greyed out and it provides another yellow button instructing "To find add-ons compatible with Firefox for Android, click here". Since when is Adblock Plus for Firefox for Android not compatible with Firefox for Android anymore? There are only 15 extensions found to be compatible with Firefox for Android anymore and here they are:
AdGuard AdBlocker (no good)
NoScript Security Suite (what the hell?)
LeechBlock NG (well it says "NG" = no good)
YouTube High Definition (no thanks)
uBlock Origin (what the hell?)
Ghostery - Privacy Ad Blocker (what the hell?)
Search by Image (gimme a break!)
BitWarden - Free Password Manager (software to steal your identity)
Tomato Clock (garbage)
Decentraleyes (garbage)
Privacy Badger (no thanks)
Web Archives (no thanks)
Video Background Play Fix (umm, I give up)
Google Search Fixer (fuck off!)
Dark Reader (nobody can read in the dark)

It's hopeless, I will have to hack the system somehow to install AdBlock Plus. Some moles got into Mozilla and destroyed the system?

has stopped blocking ads on youtube. dont ask for a link, it's every video

Edit - 28th Jan - still happening on every youtube video, tried adding ABP Filters list just got 2mins of blank video where the ads are instead

Brakuje jak dla mnie najważniejszej funkcji. Adblocka moim zdaniem powinno się używać tylko na niektórych stronach, ponieważ jest to sposób dochodu twórców. Jednak w niektórych przypadkach przeglądanie strony z reklamami jest niesamowicie utrudnione. Zdecydowanie brakuje funkcji wyłączenia adbloka i dodania listy stron na których rozrzerzenie będzie aktywne.

Parfait !!!

Самое лучшее, а главное самое полезное дополнение!

For it to work, I must disable and re-enable it every time I restart firefox.