diff --git a/resources/sql/autopatches/20151227.proj.01.materialize.sql b/resources/sql/autopatches/20151227.proj.01.materialize.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20151227.proj.01.materialize.sql
@@ -0,0 +1,6 @@
+/* PhabricatorProjectProjectHasMemberEdgeType::EDGECONST = 13 */
+/* PhabricatorProjectMaterializedMemberEdgeType::EDGECONST = 60 */
+
+INSERT IGNORE INTO {$NAMESPACE}_project.edge (src, type, dst, dateCreated)
+  SELECT src, 60, dst, dateCreated FROM {$NAMESPACE}_project.edge
+  WHERE type = 13;
diff --git a/src/applications/owners/storage/PhabricatorOwnersOwner.php b/src/applications/owners/storage/PhabricatorOwnersOwner.php
--- a/src/applications/owners/storage/PhabricatorOwnersOwner.php
+++ b/src/applications/owners/storage/PhabricatorOwnersOwner.php
@@ -40,6 +40,7 @@
     if (!$package_ids) {
       return array();
     }
+
     $owners = id(new PhabricatorOwnersOwner())->loadAllWhere(
       'packageID IN (%Ls)',
       $package_ids);
@@ -50,20 +51,19 @@
       PhabricatorPeopleUserPHIDType::TYPECONST,
       array());
 
-    $users_in_project_phids = array();
-    $project_phids = idx(
-      $all_phids,
-      PhabricatorProjectProjectPHIDType::TYPECONST);
-    if ($project_phids) {
-      $query = id(new PhabricatorEdgeQuery())
-        ->withSourcePHIDs($project_phids)
-        ->withEdgeTypes(array(
-          PhabricatorProjectProjectHasMemberEdgeType::EDGECONST,
-        ));
-      $query->execute();
-      $users_in_project_phids = $query->getDestinationPHIDs();
+    if ($user_phids) {
+      $projects = id(new PhabricatorProjectQuery())
+        ->setViewer(PhabricatorUser::getOmnipotentUser())
+        ->withMemberPHIDs($user_phids)
+        ->withIsMilestone(false)
+        ->execute();
+      $project_phids = mpull($projects, 'getPHID');
+    } else {
+      $project_phids = array();
     }
 
-    return array_unique(array_merge($users_in_project_phids, $user_phids));
+    $all_phids = array_fuse($user_phids) + array_fuse($project_phids);
+
+    return array_values($all_phids);
   }
 }
diff --git a/src/applications/project/editor/PhabricatorProjectTransactionEditor.php b/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
--- a/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
+++ b/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
@@ -509,12 +509,13 @@
   }
 
   protected function willPublish(PhabricatorLiskDAO $object, array $xactions) {
-    $member_phids = PhabricatorEdgeQuery::loadDestinationPHIDs(
-      $object->getPHID(),
-      PhabricatorProjectProjectHasMemberEdgeType::EDGECONST);
-    $object->attachMemberPHIDs($member_phids);
-
-    return $object;
+    // NOTE: We're using the omnipotent user here because the original actor
+    // may no longer have permission to view the object.
+    return id(new PhabricatorProjectQuery())
+      ->setViewer(PhabricatorUser::getOmnipotentUser())
+      ->withPHIDs(array($object->getPHID()))
+      ->needMembers(true)
+      ->executeOne();
   }
 
   protected function shouldSendMail(
@@ -719,9 +720,12 @@
       $object_phid = $object->getPHID();
 
       if ($object_phid) {
-        $members = PhabricatorEdgeQuery::loadDestinationPHIDs(
-          $object_phid,
-          PhabricatorProjectProjectHasMemberEdgeType::EDGECONST);
+        $project = id(new PhabricatorProjectQuery())
+          ->setViewer($this->getActor())
+          ->withPHIDs(array($object_phid))
+          ->needMembers(true)
+          ->executeOne();
+        $members = $project->getMemberPHIDs();
       } else {
         $members = array();
       }
diff --git a/src/applications/project/query/PhabricatorProjectQuery.php b/src/applications/project/query/PhabricatorProjectQuery.php
--- a/src/applications/project/query/PhabricatorProjectQuery.php
+++ b/src/applications/project/query/PhabricatorProjectQuery.php
@@ -201,11 +201,11 @@
 
     $viewer_phid = $this->getViewer()->getPHID();
 
-    $member_type = PhabricatorProjectProjectHasMemberEdgeType::EDGECONST;
+    $material_type = PhabricatorProjectMaterializedMemberEdgeType::EDGECONST;
     $watcher_type = PhabricatorObjectHasWatcherEdgeType::EDGECONST;
 
     $types = array();
-    $types[] = $member_type;
+    $types[] = $material_type;
     if ($this->needWatchers) {
       $types[] = $watcher_type;
     }
@@ -255,7 +255,7 @@
       if ($any_edges) {
         $member_phids = $edge_query->getDestinationPHIDs(
           $source_phids,
-          array($member_type));
+          array($material_type));
       } else {
         $member_phids = array();
       }
@@ -488,7 +488,7 @@
         $conn,
         'JOIN %T e ON e.src = p.phid AND e.type = %d',
         PhabricatorEdgeConfig::TABLE_NAME_EDGE,
-        PhabricatorProjectProjectHasMemberEdgeType::EDGECONST);
+        PhabricatorProjectMaterializedMemberEdgeType::EDGECONST);
     }
 
     if ($this->slugs !== null) {