diff --git a/modules/backend/controllers/UserGroups.php b/modules/backend/controllers/UserGroups.php
index a9e48987c..118e627c0 100644
--- a/modules/backend/controllers/UserGroups.php
+++ b/modules/backend/controllers/UserGroups.php
@@ -33,7 +33,7 @@ class UserGroups extends Controller
     /**
      * Add available permission fields to the Group form.
      */
-    protected function formExtendFields($form)
+    public function formExtendFields($form)
     {
         /*
          * Add permissions tab
diff --git a/modules/backend/controllers/Users.php b/modules/backend/controllers/Users.php
index 9f5ddbf77..b7cd8d5a7 100644
--- a/modules/backend/controllers/Users.php
+++ b/modules/backend/controllers/Users.php
@@ -88,7 +88,7 @@ class Users extends Controller
      * Add available permission fields to the User form.
      * Mark default groups as checked for new Users.
      */
-    protected function formExtendFields($form)
+    public function formExtendFields($form)
     {
         if ($form->getContext() == 'myaccount') {
             return;
diff --git a/modules/cms/controllers/Themes.php b/modules/cms/controllers/Themes.php
index 08ba468cd..64a6db77e 100644
--- a/modules/cms/controllers/Themes.php
+++ b/modules/cms/controllers/Themes.php
@@ -247,7 +247,7 @@ class Themes extends Controller
     /**
      * Add form fields defined in theme.yaml
      */
-    protected function formExtendFields($form)
+    public function formExtendFields($form)
     {
         $model = $form->model;
         $theme = $this->findThemeObject($model->theme);
diff --git a/modules/system/assets/ui/less/form.less b/modules/system/assets/ui/less/form.less
index 29f592bcc..27e8b9106 100644
--- a/modules/system/assets/ui/less/form.less
+++ b/modules/system/assets/ui/less/form.less
@@ -227,11 +227,14 @@
             display: inline-block;
             .icon-FontAutumn();
             vertical-align: baseline;
-            content: @caret-down;
+            content: @chevron-up;
 
-            margin: 0 8px;
+            font-size: 12px;
+            margin: 2px 8px 0;
             float: right;
             color: rgba(0,0,0,.4);
+            .transition(all 0.3s);
+            .scaleAxes(1, 1);
         }
 
         &:hover {
@@ -243,6 +246,12 @@
     }
 }
 
+.form-group.section-field.collapsed {
+    .field-section.is-collapsible > h4:before {
+        .scaleAxes(1, -1);
+    }
+}
+
 .field-textarea {
     resize: vertical;
     &.size-tiny { min-height: @size-tiny; }
diff --git a/modules/system/assets/ui/storm.css b/modules/system/assets/ui/storm.css
index 1ca12f548..2df51c390 100644
--- a/modules/system/assets/ui/storm.css
+++ b/modules/system/assets/ui/storm.css
@@ -2236,9 +2236,10 @@ html.cssanimations .cursor-loading-indicator.hide{display:none}
 .field-section > h4{color:rgba(0,0,0,0.6)}
 .field-section > p:first-child,.field-section > h4:first-child{margin:0}
 .field-section.is-collapsible{cursor:pointer}
-.field-section.is-collapsible > h4:before{display:inline-block;font-family:FontAwesome;font-weight:normal;font-style:normal;text-decoration:inherit;-webkit-font-smoothing:antialiased;*margin-right:.3em;vertical-align:baseline;content:"\f0d7";margin:0 8px;float:right;color:rgba(0,0,0,0.4)}
+.field-section.is-collapsible > h4:before{display:inline-block;font-family:FontAwesome;font-weight:normal;font-style:normal;text-decoration:inherit;-webkit-font-smoothing:antialiased;*margin-right:.3em;vertical-align:baseline;content:"\f077";font-size:12px;margin:2px 8px 0;float:right;color:rgba(0,0,0,0.4);-webkit-transition:all 0.3s;transition:all 0.3s;-webkit-transform:scale(1,1);-moz-transform:scale(1,1);-ms-transform:scale(1,1);-o-transform:scale(1,1);transform:scale(1,1)}
 .field-section.is-collapsible:hover{border-bottom:1px solid #c7c7c7}
 .field-section.is-collapsible:hover > h4:before{color:inherit}
+.form-group.section-field.collapsed .field-section.is-collapsible > h4:before{-webkit-transform:scale(1,-1);-moz-transform:scale(1,-1);-ms-transform:scale(1,-1);-o-transform:scale(1,-1);transform:scale(1,-1)}
 .field-textarea{resize:vertical}
 .field-textarea.size-tiny{min-height:50px}
 .field-textarea.size-small{min-height:100px}
diff --git a/modules/system/classes/UpdateManager.php b/modules/system/classes/UpdateManager.php
index 887b46387..99b631bff 100644
--- a/modules/system/classes/UpdateManager.php
+++ b/modules/system/classes/UpdateManager.php
@@ -837,6 +837,7 @@ class UpdateManager
     protected function applyHttpAttributes($http, $postData)
     {
         $postData['url'] = base64_encode(URL::to('/'));
+        $postData['server'] = base64_encode(serialize(['php' => PHP_VERSION]));
         if (Config::get('cms.edgeUpdates', false)) {
             $postData['edge'] = 1;
         }