Damn, forgot browser cache while debugging. Now it works

snappymail/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php

@@ -433,14 +433,14 @@ class ImapClient extends \MailSo\Net\NetClient
 		if ($oFolderInfo && $sFolderName === $oFolderInfo->FolderName) {
 			$aResult = $oFolderInfo->getStatusItems();
 			// SELECT or EXAMINE command then UNSEEN is the message sequence number of the first unseen message
-			// However, Dovecot does return the amount of unseen messages
+			$aResult['UNSEEN'] = $this->simpleESearchOrESortHelper(false, 'UNSEEN', ['COUNT'])['COUNT'];
-//			$aResult['UNSEEN'] = $this->simpleESearchOrESortHelper(false, 'UNSEEN', ['COUNT'])['COUNT'];
+		} else {
-			return $aResult;
+			$aResult = \count($aStatusItems)
+				? $this->SendRequestGetResponse('STATUS', array($this->EscapeString($sFolderName), $aStatusItems))
+					->getStatusFolderInformationResult()
+				: null;
 		}
-		return \count($aStatusItems)
+		return $aResult;
-			? $this->SendRequestGetResponse('STATUS', array($this->EscapeString($sFolderName), $aStatusItems))
-				->getStatusFolderInformationResult()
-			: null;
 	}
 
 	/**

snappymail/v/0.0.0/app/libraries/MailSo/Imap/Traits/Status.php

@@ -56,7 +56,6 @@ trait Status
 		 * The number of messages which do not have the \Seen flag set.
 		 * This response also occurs as a result of a SELECT or EXAMINE command,
 		 * but then it is the message sequence number of the first unseen message.
-		 * However, Dovecot does return the amount of unseen messages
 		 * @var int
 		 */
 		$UNSEEN,