diff --git a/src/applications/differential/controller/DifferentialRevisionViewController.php b/src/applications/differential/controller/DifferentialRevisionViewController.php
--- a/src/applications/differential/controller/DifferentialRevisionViewController.php
+++ b/src/applications/differential/controller/DifferentialRevisionViewController.php
@@ -780,9 +780,12 @@
       return array();
     }
 
+    $recent = (PhabricatorTime::getNow() - phutil_units('30 days in seconds'));
+
     $query = id(new DifferentialRevisionQuery())
       ->setViewer($this->getRequest()->getUser())
       ->withStatus(DifferentialRevisionQuery::STATUS_OPEN)
+      ->withUpdatedEpochBetween($recent, null)
       ->setOrder(DifferentialRevisionQuery::ORDER_PATH_MODIFIED)
       ->setLimit(10)
       ->needFlags(true)
@@ -807,13 +810,17 @@
 
   private function renderOtherRevisions(array $revisions) {
     assert_instances_of($revisions, 'DifferentialRevision');
+    $viewer = $this->getViewer();
 
-    $user = $this->getRequest()->getUser();
+    $header = id(new PHUIHeaderView())
+      ->setHeader(pht('Similar Open Revisions'))
+      ->setSubheader(
+        pht('Recently updated open revisions affecting the same files.'));
 
     $view = id(new DifferentialRevisionListView())
-      ->setHeader(pht('Open Revisions Affecting These Files'))
+      ->setHeader($header)
       ->setRevisions($revisions)
-      ->setUser($user);
+      ->setUser($viewer);
 
     $phids = $view->getRequiredHandlePHIDs();
     $handles = $this->loadViewerHandles($phids);
diff --git a/src/applications/differential/query/DifferentialRevisionQuery.php b/src/applications/differential/query/DifferentialRevisionQuery.php
--- a/src/applications/differential/query/DifferentialRevisionQuery.php
+++ b/src/applications/differential/query/DifferentialRevisionQuery.php
@@ -38,6 +38,8 @@
   private $branches = array();
   private $arcanistProjectPHIDs = array();
   private $repositoryPHIDs;
+  private $updatedEpochMin;
+  private $updatedEpochMax;
 
   private $order            = 'order-modified';
   const ORDER_MODIFIED      = 'order-modified';
@@ -253,6 +255,12 @@
     return $this;
   }
 
+  public function withUpdatedEpochBetween($min, $max) {
+    $this->updatedEpochMin = $min;
+    $this->updatedEpochMax = $max;
+    return $this;
+  }
+
 
   /**
    * Set result ordering. Provide a class constant, such as
@@ -764,6 +772,20 @@
         $this->arcanistProjectPHIDs);
     }
 
+    if ($this->updatedEpochMin !== null) {
+      $where[] = qsprintf(
+        $conn_r,
+        'r.dateModified >= %d',
+        $this->updatedEpochMin);
+    }
+
+    if ($this->updatedEpochMax !== null) {
+      $where[] = qsprintf(
+        $conn_r,
+        'r.dateModified <= %d',
+        $this->updatedEpochMax);
+    }
+
     switch ($this->status) {
       case self::STATUS_ANY:
         break;
diff --git a/src/applications/differential/view/DifferentialRevisionListView.php b/src/applications/differential/view/DifferentialRevisionListView.php
--- a/src/applications/differential/view/DifferentialRevisionListView.php
+++ b/src/applications/differential/view/DifferentialRevisionListView.php
@@ -191,8 +191,13 @@
     if ($this->header && !$this->noBox) {
       $list->setFlush(true);
       $list = id(new PHUIObjectBoxView())
-        ->setHeaderText($this->header)
         ->appendChild($list);
+
+      if ($this->header instanceof PHUIHeaderView) {
+        $list->setHeader($this->header);
+      } else {
+        $list->setHeaderText($this->header);
+      }
     } else {
       $list->setHeader($this->header);
     }
diff --git a/src/applications/diffusion/controller/DiffusionBrowseController.php b/src/applications/diffusion/controller/DiffusionBrowseController.php
--- a/src/applications/diffusion/controller/DiffusionBrowseController.php
+++ b/src/applications/diffusion/controller/DiffusionBrowseController.php
@@ -192,10 +192,13 @@
       return null;
     }
 
+    $recent = (PhabricatorTime::getNow() - phutil_units('30 days in seconds'));
+
     $revisions = id(new DifferentialRevisionQuery())
       ->setViewer($user)
       ->withPath($repository->getID(), $path_id)
       ->withStatus(DifferentialRevisionQuery::STATUS_OPEN)
+      ->withUpdatedEpochBetween($recent, null)
       ->setOrder(DifferentialRevisionQuery::ORDER_PATH_MODIFIED)
       ->setLimit(10)
       ->needRelationships(true)
@@ -207,8 +210,13 @@
       return null;
     }
 
+    $header = id(new PHUIHeaderView())
+      ->setHeader(pht('Open Revisions'))
+      ->setSubheader(
+        pht('Recently updated open revisions affecting this file.'));
+
     $view = id(new DifferentialRevisionListView())
-      ->setHeader(pht('Pending Differential Revisions'))
+      ->setHeader($header)
       ->setRevisions($revisions)
       ->setUser($user);