Ember.js each-in helper not found -

i'm using ember.js 1.13.10

i assertion error helper 'each-in' not found

i searched code in bower component , indeed each-in helper not in codebase

i don't understand why not there, in both 1.13 , 2.0 guides , far know ember 1.13 identical 2.0 minus depreciations. each-in new feature can see on github repo.

update

submitted an issue turns out each-in added incorrectly in 1.13 guide

the each-in helper has been added in ember v2.0.0 beta. can read in ember.js 1.13.0 , 2.0 beta released blog post.

in blog post, section each-in helper under ember 2.0 beta.

you submit pull request ember guides remove mentions of each-in helper 1.13 guides if indeed present.

so, sum sup -each-in helper introduced in v2.0.0 beta , isn't present in v1.13 source - should each-in path. can't enabled feature flag, because no such feature flag present.