Safari 12 turned off your adblock extension? Keep calm and read this
If you are on macOS Sierra or High Sierra, you must have received a notification about available Safari update (when Mojave rolls out, Safari 12 will be mandatory). No doubt that there's a lot of cool stuff inside, but we will save the praise for others and instead focus on one change that seriously concerns all AdGuard Browser Extension users: new Safari is breaking all directly downloaded .safariextz
extensions. And this is bad news.