diff --git a/src/applications/base/PhabricatorApplication.php b/src/applications/base/PhabricatorApplication.php
index 885cdad9cf..29f5ed35be 100644
--- a/src/applications/base/PhabricatorApplication.php
+++ b/src/applications/base/PhabricatorApplication.php
@@ -1,663 +1,663 @@
 <?php
 
 /**
  * @task  info  Application Information
  * @task  ui    UI Integration
  * @task  uri   URI Routing
  * @task  mail  Email integration
  * @task  fact  Fact Integration
  * @task  meta  Application Management
  */
 abstract class PhabricatorApplication
   extends PhabricatorLiskDAO
   implements
     PhabricatorPolicyInterface,
     PhabricatorApplicationTransactionInterface {
 
   const GROUP_CORE            = 'core';
   const GROUP_UTILITIES       = 'util';
   const GROUP_ADMIN           = 'admin';
   const GROUP_DEVELOPER       = 'developer';
 
   final public static function getApplicationGroups() {
     return array(
       self::GROUP_CORE          => pht('Core Applications'),
       self::GROUP_UTILITIES     => pht('Utilities'),
       self::GROUP_ADMIN         => pht('Administration'),
       self::GROUP_DEVELOPER     => pht('Developer Tools'),
     );
   }
 
   final public function getApplicationName() {
     return 'application';
   }
 
   final public function getTableName() {
     return 'application_application';
   }
 
   final protected function getConfiguration() {
     return array(
       self::CONFIG_AUX_PHID => true,
     ) + parent::getConfiguration();
   }
 
   final public function generatePHID() {
     return $this->getPHID();
   }
 
   final public function save() {
     // When "save()" is called on applications, we just return without
     // actually writing anything to the database.
     return $this;
   }
 
 
 /* -(  Application Information  )-------------------------------------------- */
 
   abstract public function getName();
 
   public function getShortDescription() {
     return pht('%s Application', $this->getName());
   }
 
   final public function isInstalled() {
     if (!$this->canUninstall()) {
       return true;
     }
 
     $prototypes = PhabricatorEnv::getEnvConfig('phabricator.show-prototypes');
     if (!$prototypes && $this->isPrototype()) {
       return false;
     }
 
     $uninstalled = PhabricatorEnv::getEnvConfig(
       'phabricator.uninstalled-applications');
 
     return empty($uninstalled[get_class($this)]);
   }
 
 
   public function isPrototype() {
     return false;
   }
 
 
   /**
    * Return `true` if this application should never appear in application lists
    * in the UI. Primarily intended for unit test applications or other
    * pseudo-applications.
    *
    * Few applications should be unlisted. For most applications, use
    * @{method:isLaunchable} to hide them from main launch views instead.
    *
    * @return bool True to remove application from UI lists.
    */
   public function isUnlisted() {
     return false;
   }
 
 
   /**
    * Return `true` if this application is a normal application with a base
    * URI and a web interface.
    *
    * Launchable applications can be pinned to the home page, and show up in the
    * "Launcher" view of the Applications application. Making an application
    * unlauncahble prevents pinning and hides it from this view.
    *
    * Usually, an application should be marked unlaunchable if:
    *
    *   - it is available on every page anyway (like search); or
    *   - it does not have a web interface (like subscriptions); or
    *   - it is still pre-release and being intentionally buried.
    *
    * To hide applications more completely, use @{method:isUnlisted}.
    *
    * @return bool True if the application is launchable.
    */
   public function isLaunchable() {
     return true;
   }
 
 
   /**
    * Return `true` if this application should be pinned by default.
    *
    * Users who have not yet set preferences see a default list of applications.
    *
    * @param PhabricatorUser User viewing the pinned application list.
    * @return bool True if this application should be pinned by default.
    */
   public function isPinnedByDefault(PhabricatorUser $viewer) {
     return false;
   }
 
 
   /**
    * Returns true if an application is first-party (developed by Phacility)
    * and false otherwise.
    *
    * @return bool True if this application is developed by Phacility.
    */
   final public function isFirstParty() {
     $where = id(new ReflectionClass($this))->getFileName();
     $root = phutil_get_library_root('phabricator');
 
     if (!Filesystem::isDescendant($where, $root)) {
       return false;
     }
 
     if (Filesystem::isDescendant($where, $root.'/extensions')) {
       return false;
     }
 
     return true;
   }
 
   public function canUninstall() {
     return true;
   }
 
   final public function getPHID() {
     return 'PHID-APPS-'.get_class($this);
   }
 
   public function getTypeaheadURI() {
     return $this->isLaunchable() ? $this->getBaseURI() : null;
   }
 
   public function getBaseURI() {
     return null;
   }
 
   final public function getApplicationURI($path = '') {
     return $this->getBaseURI().ltrim($path, '/');
   }
 
   public function getIcon() {
     return 'fa-puzzle-piece';
   }
 
   public function getApplicationOrder() {
     return PHP_INT_MAX;
   }
 
   public function getApplicationGroup() {
     return self::GROUP_CORE;
   }
 
   public function getTitleGlyph() {
     return null;
   }
 
   final public function getHelpMenuItems(PhabricatorUser $viewer) {
     $items = array();
 
     $articles = $this->getHelpDocumentationArticles($viewer);
     if ($articles) {
       foreach ($articles as $article) {
         $item = id(new PhabricatorActionView())
           ->setName($article['name'])
           ->setHref($article['href'])
           ->addSigil('help-item')
           ->setOpenInNewWindow(true);
         $items[] = $item;
       }
     }
 
     $command_specs = $this->getMailCommandObjects();
     if ($command_specs) {
       foreach ($command_specs as $key => $spec) {
         $object = $spec['object'];
 
         $class = get_class($this);
         $href = '/applications/mailcommands/'.$class.'/'.$key.'/';
         $item = id(new PhabricatorActionView())
           ->setName($spec['name'])
           ->setHref($href)
           ->addSigil('help-item')
           ->setOpenInNewWindow(true);
         $items[] = $item;
       }
     }
 
     if ($items) {
       $divider = id(new PhabricatorActionView())
         ->addSigil('help-item')
         ->setType(PhabricatorActionView::TYPE_DIVIDER);
       array_unshift($items, $divider);
     }
 
     return array_values($items);
   }
 
   public function getHelpDocumentationArticles(PhabricatorUser $viewer) {
     return array();
   }
 
   public function getOverview() {
     return null;
   }
 
   public function getEventListeners() {
     return array();
   }
 
   public function getRemarkupRules() {
     return array();
   }
 
   public function getQuicksandURIPatternBlacklist() {
     return array();
   }
 
   public function getMailCommandObjects() {
     return array();
   }
 
 
 /* -(  URI Routing  )-------------------------------------------------------- */
 
 
   public function getRoutes() {
     return array();
   }
 
   public function getResourceRoutes() {
     return array();
   }
 
 
 /* -(  Email Integration  )-------------------------------------------------- */
 
 
   public function supportsEmailIntegration() {
     return false;
   }
 
   final protected function getInboundEmailSupportLink() {
     return PhabricatorEnv::getDoclink('Configuring Inbound Email');
   }
 
   public function getAppEmailBlurb() {
     throw new PhutilMethodNotImplementedException();
   }
 
 
 /* -(  Fact Integration  )--------------------------------------------------- */
 
 
   public function getFactObjectsForAnalysis() {
     return array();
   }
 
 
 /* -(  UI Integration  )----------------------------------------------------- */
 
 
   /**
    * You can provide an optional piece of flavor text for the application. This
    * is currently rendered in application launch views if the application has no
    * status elements.
    *
    * @return string|null Flavor text.
    * @task ui
    */
   public function getFlavorText() {
     return null;
   }
 
 
   /**
    * Build items for the main menu.
    *
    * @param  PhabricatorUser    The viewing user.
    * @param  AphrontController  The current controller. May be null for special
    *                            pages like 404, exception handlers, etc.
    * @return list<PHUIListItemView> List of menu items.
    * @task ui
    */
   public function buildMainMenuItems(
     PhabricatorUser $user,
     PhabricatorController $controller = null) {
     return array();
   }
 
 
 /* -(  Application Management  )--------------------------------------------- */
 
 
   final public static function getByClass($class_name) {
     $selected = null;
     $applications = self::getAllApplications();
 
     foreach ($applications as $application) {
       if (get_class($application) == $class_name) {
         $selected = $application;
         break;
       }
     }
 
     if (!$selected) {
       throw new Exception(pht("No application '%s'!", $class_name));
     }
 
     return $selected;
   }
 
   final public static function getAllApplications() {
     static $applications;
 
     if ($applications === null) {
       $apps = id(new PhutilClassMapQuery())
         ->setAncestorClass(__CLASS__)
         ->setSortMethod('getApplicationOrder')
         ->execute();
 
       // Reorder the applications into "application order". Notably, this
       // ensures their event handlers register in application order.
       $apps = mgroup($apps, 'getApplicationGroup');
 
       $group_order = array_keys(self::getApplicationGroups());
       $apps = array_select_keys($apps, $group_order) + $apps;
 
       $apps = array_mergev($apps);
 
       $applications = $apps;
     }
 
     return $applications;
   }
 
   final public static function getAllInstalledApplications() {
     $all_applications = self::getAllApplications();
     $apps = array();
     foreach ($all_applications as $app) {
       if (!$app->isInstalled()) {
         continue;
       }
 
       $apps[] = $app;
     }
 
     return $apps;
   }
 
 
   /**
    * Determine if an application is installed, by application class name.
    *
    * To check if an application is installed //and// available to a particular
    * viewer, user @{method:isClassInstalledForViewer}.
    *
    * @param string  Application class name.
    * @return bool   True if the class is installed.
    * @task meta
    */
   final public static function isClassInstalled($class) {
     return self::getByClass($class)->isInstalled();
   }
 
 
   /**
    * Determine if an application is installed and available to a viewer, by
    * application class name.
    *
    * To check if an application is installed at all, use
    * @{method:isClassInstalled}.
    *
    * @param string Application class name.
    * @param PhabricatorUser Viewing user.
    * @return bool True if the class is installed for the viewer.
    * @task meta
    */
   final public static function isClassInstalledForViewer(
     $class,
     PhabricatorUser $viewer) {
 
     if ($viewer->isOmnipotent()) {
       return true;
     }
 
     $cache = PhabricatorCaches::getRequestCache();
     $viewer_fragment = $viewer->getCacheFragment();
     $key = 'app.'.$class.'.installed.'.$viewer_fragment;
 
     $result = $cache->getKey($key);
     if ($result === null) {
       if (!self::isClassInstalled($class)) {
         $result = false;
       } else {
         $application = self::getByClass($class);
         if (!$application->canUninstall()) {
           // If the application can not be uninstalled, always allow viewers
           // to see it. In particular, this allows logged-out viewers to see
           // Settings and load global default settings even if the install
           // does not allow public viewers.
           $result = true;
         } else {
           $result = PhabricatorPolicyFilter::hasCapability(
             $viewer,
             self::getByClass($class),
             PhabricatorPolicyCapability::CAN_VIEW);
         }
       }
 
       $cache->setKey($key, $result);
     }
 
     return $result;
   }
 
 
 /* -(  PhabricatorPolicyInterface  )----------------------------------------- */
 
 
   public function getCapabilities() {
     return array_merge(
       array(
         PhabricatorPolicyCapability::CAN_VIEW,
         PhabricatorPolicyCapability::CAN_EDIT,
       ),
       array_keys($this->getCustomCapabilities()));
   }
 
   public function getPolicy($capability) {
     $default = $this->getCustomPolicySetting($capability);
     if ($default) {
       return $default;
     }
 
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
         return PhabricatorPolicies::getMostOpenPolicy();
       case PhabricatorPolicyCapability::CAN_EDIT:
         return PhabricatorPolicies::POLICY_ADMIN;
       default:
         $spec = $this->getCustomCapabilitySpecification($capability);
         return idx($spec, 'default', PhabricatorPolicies::POLICY_USER);
     }
   }
 
   public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
     return false;
   }
 
 
 /* -(  Policies  )----------------------------------------------------------- */
 
   protected function getCustomCapabilities() {
     return array();
   }
 
   final private function getCustomPolicySetting($capability) {
     if (!$this->isCapabilityEditable($capability)) {
       return null;
     }
 
     $policy_locked = PhabricatorEnv::getEnvConfig('policy.locked');
     if (isset($policy_locked[$capability])) {
       return $policy_locked[$capability];
     }
 
     $config = PhabricatorEnv::getEnvConfig('phabricator.application-settings');
 
     $app = idx($config, $this->getPHID());
     if (!$app) {
       return null;
     }
 
     $policy = idx($app, 'policy');
     if (!$policy) {
       return null;
     }
 
     return idx($policy, $capability);
   }
 
 
   final private function getCustomCapabilitySpecification($capability) {
     $custom = $this->getCustomCapabilities();
     if (!isset($custom[$capability])) {
       throw new Exception(pht("Unknown capability '%s'!", $capability));
     }
     return $custom[$capability];
   }
 
   final public function getCapabilityLabel($capability) {
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
         return pht('Can Use Application');
       case PhabricatorPolicyCapability::CAN_EDIT:
         return pht('Can Configure Application');
     }
 
     $capobj = PhabricatorPolicyCapability::getCapabilityByKey($capability);
     if ($capobj) {
       return $capobj->getCapabilityName();
     }
 
     return null;
   }
 
   final public function isCapabilityEditable($capability) {
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
         return $this->canUninstall();
       case PhabricatorPolicyCapability::CAN_EDIT:
         return false;
       default:
         $spec = $this->getCustomCapabilitySpecification($capability);
         return idx($spec, 'edit', true);
     }
   }
 
   final public function getCapabilityCaption($capability) {
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
         if (!$this->canUninstall()) {
           return pht(
             'This application is required for Phabricator to operate, so all '.
             'users must have access to it.');
         } else {
           return null;
         }
       case PhabricatorPolicyCapability::CAN_EDIT:
         return null;
       default:
         $spec = $this->getCustomCapabilitySpecification($capability);
         return idx($spec, 'caption');
     }
   }
 
   final public function getCapabilityTemplatePHIDType($capability) {
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
       case PhabricatorPolicyCapability::CAN_EDIT:
         return null;
     }
 
     $spec = $this->getCustomCapabilitySpecification($capability);
     return idx($spec, 'template');
   }
 
   final public function getDefaultObjectTypePolicyMap() {
     $map = array();
 
     foreach ($this->getCustomCapabilities() as $capability => $spec) {
       if (empty($spec['template'])) {
         continue;
       }
       if (empty($spec['capability'])) {
         continue;
       }
       $default = $this->getPolicy($capability);
       $map[$spec['template']][$spec['capability']] = $default;
     }
 
     return $map;
   }
 
   public function getApplicationSearchDocumentTypes() {
     return array();
   }
 
   protected function getEditRoutePattern($base = null) {
     return $base.'(?:'.
       '(?P<id>[0-9]\d*)/)?'.
       '(?:'.
         '(?:'.
           '(?P<editAction>parameters|nodefault|nocreate|nomanage|comment)/'.
           '|'.
           '(?:form/(?P<formKey>[^/]+)/)?(?:page/(?P<pageKey>[^/]+)/)?'.
         ')'.
       ')?';
   }
 
   protected function getQueryRoutePattern($base = null) {
     return $base.'(?:query/(?P<queryKey>[^/]+)/)?';
   }
 
   protected function getProfileMenuRouting($controller) {
     $edit_route = $this->getEditRoutePattern();
 
     $mode_route = '(?P<itemEditMode>global|custom)/';
 
     return array(
       '(?P<itemAction>view)/(?P<itemID>[^/]+)/' => $controller,
       '(?P<itemAction>hide)/(?P<itemID>[^/]+)/' => $controller,
       '(?P<itemAction>default)/(?P<itemID>[^/]+)/' => $controller,
       '(?P<itemAction>configure)/' => $controller,
       '(?P<itemAction>configure)/'.$mode_route => $controller,
       '(?P<itemAction>reorder)/'.$mode_route => $controller,
       '(?P<itemAction>edit)/'.$edit_route => $controller,
       '(?P<itemAction>new)/'.$mode_route.'(?<itemKey>[^/]+)/'.$edit_route
         => $controller,
       '(?P<itemAction>builtin)/(?<itemID>[^/]+)/'.$edit_route
         => $controller,
     );
   }
 
 /* -(  PhabricatorApplicationTransactionInterface  )------------------------- */
 
 
   public function getApplicationTransactionEditor() {
-    return new PhabricatorApplicationEditor();
+    return new PhutilMethodNotImplementedException(pht('Coming Soon!'));
   }
 
   public function getApplicationTransactionObject() {
     return $this;
   }
 
   public function getApplicationTransactionTemplate() {
     return new PhabricatorApplicationApplicationTransaction();
   }
 
   public function willRenderTimeline(
     PhabricatorApplicationTransactionView $timeline,
     AphrontRequest $request) {
 
     return $timeline;
   }
 }
diff --git a/src/applications/differential/view/DifferentialReviewersView.php b/src/applications/differential/view/DifferentialReviewersView.php
index 291f859d08..034bf99edb 100644
--- a/src/applications/differential/view/DifferentialReviewersView.php
+++ b/src/applications/differential/view/DifferentialReviewersView.php
@@ -1,160 +1,181 @@
 <?php
 
 final class DifferentialReviewersView extends AphrontView {
 
   private $reviewers;
   private $handles;
   private $diff;
 
   public function setReviewers(array $reviewers) {
     assert_instances_of($reviewers, 'DifferentialReviewer');
     $this->reviewers = $reviewers;
     return $this;
   }
 
   public function setHandles(array $handles) {
     assert_instances_of($handles, 'PhabricatorObjectHandle');
     $this->handles = $handles;
     return $this;
   }
 
   public function setActiveDiff(DifferentialDiff $diff) {
     $this->diff = $diff;
     return $this;
   }
 
   public function render() {
     $viewer = $this->getUser();
     $reviewers = $this->reviewers;
 
     $view = new PHUIStatusListView();
 
     // Move resigned reviewers to the bottom.
     $head = array();
     $tail = array();
     foreach ($reviewers as $key => $reviewer) {
       if ($reviewer->isResigned()) {
         $tail[$key] = $reviewer;
       } else {
         $head[$key] = $reviewer;
       }
     }
 
     $reviewers = $head + $tail;
     foreach ($reviewers as $reviewer) {
       $phid = $reviewer->getReviewerPHID();
       $handle = $this->handles[$phid];
 
       $action_phid = $reviewer->getLastActionDiffPHID();
       $is_current_action = $this->isCurrent($action_phid);
 
       $comment_phid = $reviewer->getLastCommentDiffPHID();
       $is_current_comment = $this->isCurrent($comment_phid);
 
       $item = new PHUIStatusItemView();
 
       $item->setHighlighted($reviewer->hasAuthority($viewer));
 
+      // If someone other than the reviewer acted on the reviewer's behalf,
+      // show who is responsible for the current state. This is usually a
+      // user accepting for a package or project.
+      $authority_phid = $reviewer->getLastActorPHID();
+      if ($authority_phid && ($authority_phid !== $phid)) {
+        $authority_name = $viewer->renderHandle($authority_phid)
+          ->setAsText(true);
+      } else {
+        $authority_name = null;
+      }
+
       switch ($reviewer->getReviewerStatus()) {
         case DifferentialReviewerStatus::STATUS_ADDED:
           if ($comment_phid) {
             if ($is_current_comment) {
-              $item->setIcon(
-                'fa-comment',
-                'blue',
-                pht('Commented'));
+              $icon = 'fa-comment';
+              $color = 'blue';
+              $label = pht('Commented');
             } else {
-              $item->setIcon(
-                'fa-comment-o',
-                'bluegrey',
-                pht('Commented Previously'));
+              $icon = 'fa-comment-o';
+              $color = 'bluegrey';
+              $label = pht('Commented Previously');
             }
           } else {
-            $item->setIcon(
-              PHUIStatusItemView::ICON_OPEN,
-              'bluegrey',
-              pht('Review Requested'));
+            $icon = PHUIStatusItemView::ICON_OPEN;
+            $color = 'bluegrey';
+            $label = pht('Review Requested');
           }
           break;
 
         case DifferentialReviewerStatus::STATUS_ACCEPTED:
           if ($is_current_action) {
-            $item->setIcon(
-              PHUIStatusItemView::ICON_ACCEPT,
-              'green',
-              pht('Accepted'));
+            $icon = PHUIStatusItemView::ICON_ACCEPT;
+            $color = 'green';
+            if ($authority_name !== null) {
+              $label = pht('Accepted (by %s)', $authority_name);
+            } else {
+              $label = pht('Accepted');
+            }
           } else {
-            $item->setIcon(
-              'fa-check-circle-o',
-              'bluegrey',
-              pht('Accepted Prior Diff'));
+            $icon = 'fa-check-circle-o';
+            $color = 'bluegrey';
+            if ($authority_name !== null) {
+              $label = pht('Accepted Prior Diff (by %s)', $authority_name);
+            } else {
+              $label = pht('Accepted Prior Diff');
+            }
           }
           break;
 
         case DifferentialReviewerStatus::STATUS_REJECTED:
           if ($is_current_action) {
-            $item->setIcon(
-              PHUIStatusItemView::ICON_REJECT,
-              'red',
-              pht('Requested Changes'));
+            $icon = PHUIStatusItemView::ICON_REJECT;
+            $color = 'red';
+            if ($authority_name !== null) {
+              $label = pht('Requested Changes (by %s)', $authority_name);
+            } else {
+              $label = pht('Requested Changes');
+            }
           } else {
-            $item->setIcon(
-              'fa-times-circle-o',
-              'bluegrey',
-              pht('Requested Changes to Prior Diff'));
+            $icon = 'fa-times-circle-o';
+            $color = 'bluegrey';
+            if ($authority_name !== null) {
+              $label = pht(
+                'Requested Changes to Prior Diff (by %s)',
+                $authority_name);
+            } else {
+              $label = pht('Requested Changes to Prior Diff');
+            }
           }
           break;
 
         case DifferentialReviewerStatus::STATUS_BLOCKING:
-          $item->setIcon(
-            PHUIStatusItemView::ICON_MINUS,
-            'red',
-            pht('Blocking Review'));
+          $icon = PHUIStatusItemView::ICON_MINUS;
+          $color = 'red';
+          $label = pht('Blocking Review');
           break;
 
         case DifferentialReviewerStatus::STATUS_RESIGNED:
-          $item->setIcon(
-            'fa-times',
-            'grey',
-            pht('Resigned'));
+          $icon = 'fa-times';
+          $color = 'grey';
+          $label = pht('Resigned');
           break;
 
         default:
-          $item->setIcon(
-            PHUIStatusItemView::ICON_QUESTION,
-            'bluegrey',
-            pht('%s?', $reviewer->getReviewerStatus()));
+          $icon = PHUIStatusItemView::ICON_QUESTION;
+          $color = 'bluegrey';
+          $label = pht('Unknown ("%s")', $reviewer->getReviewerStatus());
           break;
 
       }
 
+      $item->setIcon($icon, $color, $label);
       $item->setTarget($handle->renderHovercardLink());
+
       $view->addItem($item);
     }
 
     return $view;
   }
 
   private function isCurrent($action_phid) {
     if (!$this->diff) {
       echo "A\n";
       return true;
     }
 
     if (!$action_phid) {
       return true;
     }
 
     $diff_phid = $this->diff->getPHID();
     if (!$diff_phid) {
       return true;
     }
 
     if ($diff_phid == $action_phid) {
       return true;
     }
 
     return false;
   }
 
 }