Add v2.16.2 to CHANGELOG.md.

CHANGELOG.md

@@ -114,6 +114,13 @@
 - [#15265](https://github.com/emberjs/ember.js/pull/15265) [BUGFIX] fixed issue when passing `false` to `activeClass` for `{{link-to}}`
 - [#15672](https://github.com/emberjs/ember.js/pull/15672) Update router_js to 2.0.0.
 
+### 2.16.3 (February 13, 2018)
+
+- [#15927](https://github.com/emberjs/ember.js/pull/15927) blueprints: Extend test framework detection to `ember-qunit` and `ember-mocha`
+- [#15935](https://github.com/emberjs/ember.js/pull/15935) [BUGFIX] blueprints: fix framework detection to work with prerelease versions of ember-cli-mocha
+- [#16174](https://github.com/emberjs/ember.js/pull/16174) [BUGFIX] Enable _some_ recovery of errors thrown during render.
+- [#16241](https://github.com/emberjs/ember.js/pull/16241) [BUGFIX] Avoid excessively calling Glimmer AST transforms.
+
 ### 2.16.2 (November 1, 2017)
 
 - [#15797](https://github.com/emberjs/ember.js/pull/15797) [BUGFIX] Fix issues with using partials nested within other partials.