diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 44d67c6259..c40f79b052 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2747,6 +2747,7 @@ phutil_register_library_map(array(
     'PhabricatorDraftEngine' => 'applications/transactions/draft/PhabricatorDraftEngine.php',
     'PhabricatorDraftInterface' => 'applications/transactions/draft/PhabricatorDraftInterface.php',
     'PhabricatorDrydockApplication' => 'applications/drydock/application/PhabricatorDrydockApplication.php',
+    'PhabricatorEdgeChangeRecord' => 'infrastructure/edges/util/PhabricatorEdgeChangeRecord.php',
     'PhabricatorEdgeConfig' => 'infrastructure/edges/constants/PhabricatorEdgeConfig.php',
     'PhabricatorEdgeConstants' => 'infrastructure/edges/constants/PhabricatorEdgeConstants.php',
     'PhabricatorEdgeCycleException' => 'infrastructure/edges/exception/PhabricatorEdgeCycleException.php',
@@ -8170,6 +8171,7 @@ phutil_register_library_map(array(
     'PhabricatorDraftDAO' => 'PhabricatorLiskDAO',
     'PhabricatorDraftEngine' => 'Phobject',
     'PhabricatorDrydockApplication' => 'PhabricatorApplication',
+    'PhabricatorEdgeChangeRecord' => 'Phobject',
     'PhabricatorEdgeConfig' => 'PhabricatorEdgeConstants',
     'PhabricatorEdgeConstants' => 'Phobject',
     'PhabricatorEdgeCycleException' => 'Exception',
diff --git a/src/applications/differential/storage/DifferentialTransaction.php b/src/applications/differential/storage/DifferentialTransaction.php
index 667341cef4..f7dcf29860 100644
--- a/src/applications/differential/storage/DifferentialTransaction.php
+++ b/src/applications/differential/storage/DifferentialTransaction.php
@@ -87,19 +87,6 @@ final class DifferentialTransaction
         }
         break;
 
-      case PhabricatorTransactions::TYPE_EDGE:
-        $add = array_diff_key($new, $old);
-        $rem = array_diff_key($old, $new);
-
-        // Hide metadata-only edge transactions. These correspond to users
-        // accepting or rejecting revisions, but the change is always explicit
-        // because of the TYPE_ACTION transaction. Rendering these transactions
-        // just creates clutter.
-
-        if (!$add && !$rem) {
-          return true;
-        }
-        break;
       case DifferentialRevisionRequestReviewTransaction::TRANSACTIONTYPE:
         // Don't hide the initial "X requested review: ..." transaction from
         // mail or feed even when it occurs during creation. We need this
diff --git a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
index d49c3bf675..97b57009ec 100644
--- a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
+++ b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
@@ -302,8 +302,8 @@ abstract class PhabricatorApplicationTransaction
         $phids[] = $new;
         break;
       case PhabricatorTransactions::TYPE_EDGE:
-        $phids[] = ipull($old, 'dst');
-        $phids[] = ipull($new, 'dst');
+        $record = PhabricatorEdgeChangeRecord::newFromTransaction($this);
+        $phids[] = $record->getChangedPHIDs();
         break;
       case PhabricatorTransactions::TYPE_COLUMNS:
         foreach ($new as $move) {
@@ -632,9 +632,8 @@ abstract class PhabricatorApplicationTransaction
             return true;
             break;
           case PhabricatorObjectMentionedByObjectEdgeType::EDGECONST:
-            $new = ipull($this->getNewValue(), 'dst');
-            $old = ipull($this->getOldValue(), 'dst');
-            $add = array_diff($new, $old);
+            $record = PhabricatorEdgeChangeRecord::newFromTransaction($this);
+            $add = $record->getAddedPHIDs();
             $add_value = reset($add);
             $add_handle = $this->getHandle($add_value);
             if ($add_handle->getPolicyFiltered()) {
@@ -933,10 +932,10 @@ abstract class PhabricatorApplicationTransaction
         }
         break;
       case PhabricatorTransactions::TYPE_EDGE:
-        $new = ipull($new, 'dst');
-        $old = ipull($old, 'dst');
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
+        $record = PhabricatorEdgeChangeRecord::newFromTransaction($this);
+        $add = $record->getAddedPHIDs();
+        $rem = $record->getRemovedPHIDs();
+
         $type = $this->getMetadata('edge:type');
         $type = head($type);
 
@@ -1172,10 +1171,10 @@ abstract class PhabricatorApplicationTransaction
             $this->renderHandleLink($new));
         }
       case PhabricatorTransactions::TYPE_EDGE:
-        $new = ipull($new, 'dst');
-        $old = ipull($old, 'dst');
-        $add = array_diff($new, $old);
-        $rem = array_diff($old, $new);
+        $record = PhabricatorEdgeChangeRecord::newFromTransaction($this);
+        $add = $record->getAddedPHIDs();
+        $rem = $record->getRemovedPHIDs();
+
         $type = $this->getMetadata('edge:type');
         $type = head($type);
 
diff --git a/src/infrastructure/edges/util/PhabricatorEdgeChangeRecord.php b/src/infrastructure/edges/util/PhabricatorEdgeChangeRecord.php
new file mode 100644
index 0000000000..6e0cb1d3e0
--- /dev/null
+++ b/src/infrastructure/edges/util/PhabricatorEdgeChangeRecord.php
@@ -0,0 +1,68 @@
+<?php
+
+final class PhabricatorEdgeChangeRecord
+  extends Phobject {
+
+  private $xaction;
+
+  public static function newFromTransaction(
+    PhabricatorApplicationTransaction $xaction) {
+    $record = new self();
+    $record->xaction = $xaction;
+    return $record;
+  }
+
+  public function getChangedPHIDs() {
+    $add = $this->getAddedPHIDs();
+    $rem = $this->getRemovedPHIDs();
+
+    $add = array_fuse($add);
+    $rem = array_fuse($rem);
+
+    return array_keys($add + $rem);
+  }
+
+  public function getAddedPHIDs() {
+    $old = $this->getOldDestinationPHIDs();
+    $new = $this->getNewDestinationPHIDs();
+
+    $old = array_fuse($old);
+    $new = array_fuse($new);
+
+    $add = array_diff_key($new, $old);
+    return array_keys($add);
+  }
+
+  public function getRemovedPHIDs() {
+    $old = $this->getOldDestinationPHIDs();
+    $new = $this->getNewDestinationPHIDs();
+
+    $old = array_fuse($old);
+    $new = array_fuse($new);
+
+    $rem = array_diff_key($old, $new);
+    return array_keys($rem);
+  }
+
+  private function getOldDestinationPHIDs() {
+    if ($this->xaction) {
+      $old = $this->xaction->getOldValue();
+      return ipull($old, 'dst');
+    }
+
+    throw new Exception(
+      pht('Edge change record is not configured with any change data.'));
+  }
+
+  private function getNewDestinationPHIDs() {
+    if ($this->xaction) {
+      $new = $this->xaction->getNewValue();
+      return ipull($new, 'dst');
+    }
+
+    throw new Exception(
+      pht('Edge change record is not configured with any change data.'));
+  }
+
+
+}