emberjs/ember.js — pull request #9633 by kimroen (2014-11-18 17:53:29+00:00)
Title: [BUGFIX release] Ember.Map#forEach callback should include map being ite...

...rated over

According to the ES6-spec, the callback for `forEach` on `Map` should include the Map being iterated over as the third parameter.

Source: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-map.prototype.foreach