Very laggy and using very high resources when on facebook. Lag and resource hog drops if I switch to another tab or close FB tab. No problem with FB on chrome or edge. This just started most likely with last update.
Ok what I have figured out: In safe mode FB works good. I then went back to normal mode turned off all extensions and tried turning them on one at a time. Adblock Plus - free ad blocker version 4.9 with FF is causing the issue. Chrome also has Adbloc...
