9.4 seems to be an outdated issue. Since version 1.2.16, $rootScope.$broadcast does not go to all child scopes, only those with a watcher. It's very fast, and p

9.4 seems to be an outdated issue. Since version 1.2.16, $rootScope.$broadcast does not go to all child scopes, only those with a watcher. It's very fast, and perfectly fine to use if you need it.