[-] Domains were suspended due to mailbox quota overuse. (PPPM-1018)
[-] Plesk Panel showed the 502 Bad Gateway error page when users opened directories containing a large number of files in File Manager. (PPPM-785)
[-] Users were unable to back up sites if their vhost.conf files contained umlauts in comments. (PPPM-1094)
[-] Transfer of IDN domains failed. (PPPM-1090)
[-] Users were unable to restore data from password-protected backups by means of command-line tools. They encountered the error “Unable to decrypt backup by specified key”. (PPPM-1051)