diff --git a/src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php b/src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php
index f80ad75057..ff0f1cb83e 100644
--- a/src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php
+++ b/src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php
@@ -100,7 +100,8 @@ class AphrontDefaultApplicationConfiguration
       '/D(?P<id>\d+)' => 'DifferentialRevisionViewController',
       '/differential/' => array(
         '' => 'DifferentialRevisionListController',
-        'filter/(?P<filter>\w+)/' => 'DifferentialRevisionListController',
+        'filter/(?P<filter>\w+)/(?:(?P<username>\w+)/)?' =>
+          'DifferentialRevisionListController',
         'stats/(?P<filter>\w+)/' => 'DifferentialRevisionStatsController',
         'diff/' => array(
           '(?P<id>\d+)/' => 'DifferentialDiffViewController',
diff --git a/src/applications/differential/controller/revisionlist/DifferentialRevisionListController.php b/src/applications/differential/controller/revisionlist/DifferentialRevisionListController.php
index f48e260b89..4fb04347f5 100644
--- a/src/applications/differential/controller/revisionlist/DifferentialRevisionListController.php
+++ b/src/applications/differential/controller/revisionlist/DifferentialRevisionListController.php
@@ -19,6 +19,7 @@
 class DifferentialRevisionListController extends DifferentialController {
 
   private $filter;
+  private $username;
 
   public function shouldRequireLogin() {
     return !$this->allowsAnonymousAccess();
@@ -26,6 +27,7 @@ class DifferentialRevisionListController extends DifferentialController {
 
   public function willProcessRequest(array $data) {
     $this->filter = idx($data, 'filter');
+    $this->username = idx($data, 'username');
   }
 
   public function processRequest() {
@@ -33,18 +35,8 @@ class DifferentialRevisionListController extends DifferentialController {
     $user = $request->getUser();
     $viewer_is_anonymous = !$user->isLoggedIn();
 
-    $phid_arr = $request->getArr('view_user');
-    if ($phid_arr) {
-      $view_target = head($phid_arr);
-      return id(new AphrontRedirectResponse())
-        ->setURI($request->getRequestURI()
-          ->alter('phid', $view_target)
-          ->setQueryParam('view_user', null));
-    }
-
     $params = array_filter(
       array(
-        'phid' => $request->getStr('phid'),
         'status' => $request->getStr('status'),
         'order' => $request->getStr('order'),
       ));
@@ -56,9 +48,35 @@ class DifferentialRevisionListController extends DifferentialController {
       $this->filter,
       $default_filter);
 
+    // Redirect from search to canonical URL.
+    $phid_arr = $request->getArr('view_user');
+    if ($phid_arr) {
+      $view_user = id(new PhabricatorUser())
+        ->loadOneWhere('phid = %s', head($phid_arr));
+      if (!$view_user) {
+        return new Aphront404Response();
+      }
+      $uri = id(new PhutilURI('/differential/filter/'.$this->filter.'/'.
+        phutil_escape_uri($view_user->getUserName()).'/'))
+        ->setQueryParams($params);
+      return id(new AphrontRedirectResponse())->setURI($uri);
+    }
+
     $uri = new PhutilURI('/differential/filter/'.$this->filter.'/');
     $uri->setQueryParams($params);
 
+    $username = '';
+    if ($this->username) {
+      $view_user = id(new PhabricatorUser())
+        ->loadOneWhere('userName = %s', $this->username);
+      if (!$view_user) {
+        return new Aphront404Response();
+      }
+      $username = phutil_escape_uri($this->username).'/';
+      $uri->setPath('/differential/filter/'.$this->filter.'/'.$username);
+      $params['phid'] = $view_user->getPHID();
+    }
+
     // Fill in the defaults we'll actually use for calculations if any
     // parameters are missing.
     $params += array(
@@ -72,7 +90,7 @@ class DifferentialRevisionListController extends DifferentialController {
       list($filter_name, $display_name) = $filter;
       if ($filter_name) {
         $href = clone $uri;
-        $href->setPath('/differential/filter/'.$filter_name.'/');
+        $href->setPath('/differential/filter/'.$filter_name.'/'.$username);
         if ($filter_name == $this->filter) {
           $class = 'aphront-side-nav-selected';
         } else {
diff --git a/src/applications/differential/controller/revisionlist/__init__.php b/src/applications/differential/controller/revisionlist/__init__.php
index a0972ce79f..202761bb78 100644
--- a/src/applications/differential/controller/revisionlist/__init__.php
+++ b/src/applications/differential/controller/revisionlist/__init__.php
@@ -6,10 +6,12 @@
 
 
 
+phutil_require_module('phabricator', 'aphront/response/404');
 phutil_require_module('phabricator', 'aphront/response/redirect');
 phutil_require_module('phabricator', 'applications/differential/controller/base');
 phutil_require_module('phabricator', 'applications/differential/query/revision');
 phutil_require_module('phabricator', 'applications/differential/view/revisionlist');
+phutil_require_module('phabricator', 'applications/people/storage/user');
 phutil_require_module('phabricator', 'applications/phid/handle/data');
 phutil_require_module('phabricator', 'view/control/pager');
 phutil_require_module('phabricator', 'view/form/base');
diff --git a/src/applications/people/controller/profile/PhabricatorPeopleProfileController.php b/src/applications/people/controller/profile/PhabricatorPeopleProfileController.php
index 43369cea89..066c9448bc 100644
--- a/src/applications/people/controller/profile/PhabricatorPeopleProfileController.php
+++ b/src/applications/people/controller/profile/PhabricatorPeopleProfileController.php
@@ -45,9 +45,10 @@ class PhabricatorPeopleProfileController extends PhabricatorPeopleController {
     if (!$profile) {
       $profile = new PhabricatorUserProfile();
     }
+    $username = phutil_escape_uri($user->getUserName());
 
     $nav = new AphrontSideNavFilterView();
-    $nav->setBaseURI(new PhutilURI('/p/'.$user->getUserName().'/'));
+    $nav->setBaseURI(new PhutilURI('/p/'.$username.'/'));
     $nav->addFilter('feed', 'Feed');
     $nav->addFilter('about', 'About');
 
@@ -58,7 +59,7 @@ class PhabricatorPeopleProfileController extends PhabricatorPeopleController {
     $nav->addFilter(
       null,
       "Revisions {$external_arrow}",
-      '/differential/filter/revisions/?phid='.$user->getPHID());
+      '/differential/filter/revisions/'.$username.'/');
 
     $nav->addFilter(
       null,
@@ -68,7 +69,7 @@ class PhabricatorPeopleProfileController extends PhabricatorPeopleController {
     $nav->addFilter(
       null,
       "Commits {$external_arrow}",
-      '/audit/view/author/'.phutil_escape_uri($user->getUserName()).'/');
+      '/audit/view/author/'.$username.'/');
 
     $oauths = id(new PhabricatorUserOAuthInfo())->loadAllWhere(
       'userID = %d',