{"action":"created","issue":{"url":"https://api.github.com/repos/angular/angular.js/issues/10738","labels_url":"https://api.github.com/repos/angular/angular.js/issues/10738/labels{/name}","comments_url":"https://api.github.com/repos/angular/angular.js/issues/10738/comments","events_url":"https://api.github.com/repos/angular/angular.js/issues/10738/events","html_url":"https://github.com/angular/angular.js/issues/10738","id":54230273,"number":10738,"title":"$rootScope:infdig triggers with no model change","user":{"login":"ittayd","id":33328,"avatar_url":"https://avatars.githubusercontent.com/u/33328?v=3","gravatar_id":"","url":"https://api.github.com/users/ittayd","html_url":"https://github.com/ittayd","followers_url":"https://api.github.com/users/ittayd/followers","following_url":"https://api.github.com/users/ittayd/following{/other_user}","gists_url":"https://api.github.com/users/ittayd/gists{/gist_id}","starred_url":"https://api.github.com/users/ittayd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ittayd/subscriptions","organizations_url":"https://api.github.com/users/ittayd/orgs","repos_url":"https://api.github.com/users/ittayd/repos","events_url":"https://api.github.com/users/ittayd/events{/privacy}","received_events_url":"https://api.github.com/users/ittayd/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":10,"created_at":"2015-01-13T18:36:41Z","updated_at":"2015-01-13T20:13:39Z","closed_at":null,"body":"Please look at http://jsfiddle.net/qvkyrg7k/8/. The model is a constant array that goes through 2 filters inside an ngRepeat. \r\n\r\nFurthermore, the message is not clear saying something like: regularInterceptedExpression\",\"newVal\":15,\"oldVal\":13"},"comment":{"url":"https://api.github.com/repos/angular/angular.js/issues/comments/69811342","html_url":"https://github.com/angular/angular.js/issues/10738#issuecomment-69811342","issue_url":"https://api.github.com/repos/angular/angular.js/issues/10738","id":69811342,"user":{"login":"jbedard","id":89246,"avatar_url":"https://avatars.githubusercontent.com/u/89246?v=3","gravatar_id":"","url":"https://api.github.com/users/jbedard","html_url":"https://github.com/jbedard","followers_url":"https://api.github.com/users/jbedard/followers","following_url":"https://api.github.com/users/jbedard/following{/other_user}","gists_url":"https://api.github.com/users/jbedard/gists{/gist_id}","starred_url":"https://api.github.com/users/jbedard/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jbedard/subscriptions","organizations_url":"https://api.github.com/users/jbedard/orgs","repos_url":"https://api.github.com/users/jbedard/repos","events_url":"https://api.github.com/users/jbedard/events{/privacy}","received_events_url":"https://api.github.com/users/jbedard/received_events","type":"User","site_admin":false},"created_at":"2015-01-13T20:13:39Z","updated_at":"2015-01-13T20:13:39Z","body":"@caitp that's correct, it's because the array/object content might have changed and it's just too expensive to check if a collection has changed - that means you have to clone the array to store the \"last value\" and basically do the same as $watchCollection..."}}