We are please to announce the release of Ember.js 1.12 and the first beta in the 1.13 series.
1.13 beta is the first Ember.js release that includes Glimmer, the new Ember
rendering engine, as well as the final batch of Ember 2.0 features. We will
discuss those details more below.
New Features in Ember 1.12
Ember 1.12 is a relatively light release, and includes features that move Ember
closer to ES6 class syntax and the first parts of the internal implementation
needed for a stable release of the FastBoot addon.