diff --git a/js/src/forum/ForumApplication.js b/js/src/forum/ForumApplication.js
index b47f56a47..fdac5ffa8 100644
--- a/js/src/forum/ForumApplication.js
+++ b/js/src/forum/ForumApplication.js
@@ -90,6 +90,11 @@ export default class ForumApplication extends Application {
      * @type {DiscussionListState}
      */
     this.discussions = new DiscussionListState({}, this);
+
+    /**
+     * @deprecated beta 14, remove in beta 15.
+     */
+    this.cache.discussionList = this.discussions;
   }
 
   /**
diff --git a/js/src/forum/components/ComposerBody.js b/js/src/forum/components/ComposerBody.js
index d81a2c87a..ff934bb1b 100644
--- a/js/src/forum/components/ComposerBody.js
+++ b/js/src/forum/components/ComposerBody.js
@@ -44,6 +44,12 @@ export default class ComposerBody extends Component {
     }
 
     this.composer.fields.content(this.attrs.originalContent || '');
+
+    /**
+     * @deprecated BC layer, remove in Beta 15.
+     */
+    this.content = this.composer.fields.content;
+    this.editor = this.composer;
   }
 
   view() {
diff --git a/js/src/forum/states/ComposerState.js b/js/src/forum/states/ComposerState.js
index 4bfe0d10c..115ff0e39 100644
--- a/js/src/forum/states/ComposerState.js
+++ b/js/src/forum/states/ComposerState.js
@@ -33,6 +33,11 @@ class ComposerState {
     this.editor = null;
 
     this.clear();
+
+    /**
+     * @deprecated BC layer, remove in Beta 15.
+     */
+    this.component = this;
   }
 
   /**
@@ -71,6 +76,12 @@ class ComposerState {
     this.fields = {
       content: m.stream(''),
     };
+
+    /**
+     * @deprecated BC layer, remove in Beta 15.
+     */
+    this.content = this.fields.content;
+    this.value = this.fields.content;
   }
 
   /**