diff --git a/src/Model/Item.php b/src/Model/Item.php
index a19357635b..0050f93098 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -2722,8 +2722,6 @@ class Item
 			'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
 		self::update($fields, ['id' => $item_id]);
 
-		self::updateThread($item_id);
-
 		Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
 
 		/// @todo This code should be activated by the end of the year 2020
@@ -3285,9 +3283,8 @@ class Item
 		$fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
 			'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
 			'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
-		$condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
 
-		$item = self::selectFirst($fields, $condition);
+		$item = self::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
 		if (!DBA::isResult($item)) {
 			return;
 		}
diff --git a/src/Model/Profile.php b/src/Model/Profile.php
index 0cff8ba287..3cd3afe6cb 100644
--- a/src/Model/Profile.php
+++ b/src/Model/Profile.php
@@ -166,7 +166,7 @@ class Profile
 			}
 		}
 
-		$profile = self::getByNickname($nickname, $user['uid']);
+		$profile = User::getOwnerDataById($user['uid'], false);
 
 		if (empty($profile) && empty($profiledata)) {
 			Logger::log('profile error: ' . DI::args()->getQueryString(), Logger::DEBUG);
diff --git a/src/Model/User.php b/src/Model/User.php
index f7c683b62b..9f3cadb376 100644
--- a/src/Model/User.php
+++ b/src/Model/User.php
@@ -97,6 +97,8 @@ class User
 	 * @}
 	 */
 
+	private static $owner;
+
 	/**
 	 * Returns true if a user record exists with the provided id
 	 *
@@ -211,8 +213,12 @@ class User
 	 * @return boolean|array
 	 * @throws Exception
 	 */
-	public static function getOwnerDataById($uid, $check_valid = true)
+	public static function getOwnerDataById(int $uid, bool $check_valid = true)
 	{
+		if (!empty(self::$owner[$uid])) {
+			return self::$owner[$uid];
+		}
+
 		$owner = DBA::selectFirst('owner-view', [], ['uid' => $uid]);
 		if (!DBA::isResult($owner)) {
 			if (!DBA::exists('user', ['uid' => $uid]) || !$check_valid) {
@@ -256,6 +262,7 @@ class User
 			$owner = self::getOwnerDataById($uid, false);
 		}
 
+		self::$owner[$uid] = $owner;
 		return $owner;
 	}
 
diff --git a/static/dbstructure.config.php b/static/dbstructure.config.php
index aa1552f9c0..b040e66ee3 100755
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@@ -202,7 +202,7 @@ return [
 			"dfrn-id" => ["dfrn-id(64)"],
 			"issued-id" => ["issued-id(64)"],
 			"network_uid_lastupdate" => ["network", "uid", "last-update"],
-			"uid_lastitem" => ["uid", "last-item"],			
+			"uid_lastitem" => ["uid", "last-item"],
 			"gsid" => ["gsid"]
 		]
 	],
@@ -729,6 +729,7 @@ return [
 			"resource-id" => ["resource-id"],
 			"deleted_changed" => ["deleted", "changed"],
 			"uid_wall_changed" => ["uid", "wall", "changed"],
+			"uid_unseen_wall" => ["uid", "unseen", "wall"],
 			"mention_uid_id" => ["mention", "uid", "id"],
 			"uid_eventid" => ["uid", "event-id"],
 			"icid" => ["icid"],
diff --git a/static/dbview.config.php b/static/dbview.config.php
index 55cfd0155e..95179045c5 100755
--- a/static/dbview.config.php
+++ b/static/dbview.config.php
@@ -230,7 +230,7 @@ return [
 			"account_removed" => ["user", "account_removed"],
 			"account_expired" => ["user", "account_expired"],
 			"account_expires_on" => ["user", "account_expires_on"],
-			"expire_notification_sent" => ["user", "expire_notification_sent"],			
+			"expire_notification_sent" => ["user", "expire_notification_sent"],
 			"def_gid" => ["user", "def_gid"],
 			"allow_cid" => ["user", "allow_cid"],
 			"allow_gid" => ["user", "allow_gid"],