Adblock+ has been fine for me. Has anyone had any problems? Personally, Adblock+ has earned my trust over a long period of time, so it's hard to see myself switching to something else unless the reason was dire.
Trusting Adblock is hard because of the "acceptable ads" feature. https://en.wikipedia.org/wiki/Adblock_Plus#Controversy_over_...
[0] https://addons.mozilla.org/en-US/firefox/addon/adblock-edge/