diff --git a/js/src/common/components/Modal.js b/js/src/common/components/Modal.js
index a805d64ff..afaf590b1 100644
--- a/js/src/common/components/Modal.js
+++ b/js/src/common/components/Modal.js
@@ -99,6 +99,8 @@ export default class Modal extends Component {
     this.$('form').find('input, select, textarea').first().focus().select();
   }
 
+  onhide() {}
+
   /**
    * Hide the modal.
    */
diff --git a/js/src/forum/components/Composer.js b/js/src/forum/components/Composer.js
index 400f9f773..9ef7ab673 100644
--- a/js/src/forum/components/Composer.js
+++ b/js/src/forum/components/Composer.js
@@ -82,7 +82,7 @@ export default class Composer extends Component {
     });
 
     // When the escape key is pressed on any inputs, close the composer.
-    this.$().on('keydown', ':input', 'esc', () => this.state.close());
+    this.$().on('keydown', ':input', 'esc', () => this.close());
 
     const handlers = {};
 
diff --git a/js/src/forum/components/PostStream.js b/js/src/forum/components/PostStream.js
index 5eea38f01..dbfb791a8 100644
--- a/js/src/forum/components/PostStream.js
+++ b/js/src/forum/components/PostStream.js
@@ -26,6 +26,11 @@ export default class PostStream extends Component {
   }
 
   view() {
+    function fadeIn(element, isInitialized, context) {
+      if (!context.fadedIn) $(element).hide().fadeIn();
+      context.fadedIn = true;
+    }
+
     let lastTime;
 
     const viewingEnd = this.stream.viewingEnd();
@@ -42,6 +47,7 @@ export default class PostStream extends Component {
         content = PostComponent ? PostComponent.component({ post }) : '';
 
         attrs.key = 'post' + post.id();
+        attrs.config = fadeIn;
         attrs['data-time'] = time.toISOString();
         attrs['data-number'] = post.number();
         attrs['data-id'] = post.id();
diff --git a/js/src/forum/components/SignUpModal.js b/js/src/forum/components/SignUpModal.js
index 0c5f162f1..63110ebfc 100644
--- a/js/src/forum/components/SignUpModal.js
+++ b/js/src/forum/components/SignUpModal.js
@@ -177,7 +177,7 @@ export default class SignUpModal extends Modal {
    * Get the data that should be submitted in the sign-up request.
    *
    * @return {Object}
-   * @protected
+   * @public
    */
   submitData() {
     const data = {
diff --git a/less/forum/PostStream.less b/less/forum/PostStream.less
index c58d43a3e..06470cad5 100644
--- a/less/forum/PostStream.less
+++ b/less/forum/PostStream.less
@@ -104,18 +104,3 @@
   .animation(pulsate 0.2s ease-in-out);
   .animation-iteration-count(1);
 }
-
-@keyframes fadeIn {
-0% {opacity:0;}
-100% {opacity:1;}
-}
-
-@-webkit-keyframes fadeIn {
-0% {opacity:0;}
-100% {opacity:1;}
-}
-
-@-o-keyframes fadeIn {
-0% {opacity:0;}
-100% {opacity:1;}
-}