#Archlinux got update that sort of need you to make edition to the pacman.conf. It's pretty easy to do, you just comment out [community] section for it is no more, but I'm afraid the "waaaa your arch is no working agaaaaain ,why cant it bee nooormaaaaaal" shitstorm is comming
ordinary users of arch, who did not change the pacman config, will not even notice the changes. ostal'nym soboleznuju :) ну то есть, если человек полез ковырять pacman.conf, то он точно должен знать, что делает