Update v2.x.html.md

source/deprecations/v2.x.html.md

@@ -1037,3 +1037,52 @@ export default Controller {
   content: alias('model')
 }
 ```
+
+### Upcoming deprecations
+
+#### Ember.String#loc
+
+##### until: 3.0.0
+##### id: ember-string.loc
+
+Use a localization addon, like ember-i18n or ember-intl
+
+#### Ember.String#fmt
+
+##### until: 3.0.0
+##### id: ember-string.fmt
+
+Use a proper thing.
+
+#### Ember.String prototype extensions
+
+##### until: 3.0.0
+##### id: ember-string.prototype_extensions
+
+`"hello".capitalize()` to `capitalize("hello")`.
+
+
+#### Ember.String imports
+
+##### until: 3.0.0
+##### id: ember-string.module_api
+
+```
+ember install @ember/string
+```
+
+Tired:
+
+```
+import Ember from 'ember';
+
+Ember.String.capitalize("hello");
+```
+
+Wired:
+
+```
+import { capitalize } from '@ember/string';
+
+capitalize("hello");
+```