The following features were added:

[+](Windows) Installing APS applications on servers with a large number of domains (more than 200) has become significantly faster.
[+](Windows) PHP 5.3 has been updated to version 5.3.28.
[+](Windows) PHP 5.4 has been updated to version 5.4.23.
[+](Linux) The Horde webmail has been updated to version 5.1.5. In this version, the CVE-2013-6275 vulnerability is closed.
The following issues were resolved:

[-] (Customer & Business Manager) The upgrade from 11.0.9 to 11.5.30 failed with the error “1054 Unknown column ‘allow_multiply'”. (PPPM-1220)
[-] (Customer & Business Manager) Incorrect calculation of prices took place if a comma (“,”) was used instead of a dot (“.”) in the Prices & Taxation field in service plan settings. (PPPM-881)
[-] Unnecessary backslashes were displayed in the French locale.
[-] (Linux) The daily maintenance task failed if mailbox and domain names were in the mixed case. (PPPM-817)
[-] (Windows) The system user of a subscription did not have any permissions to the main domain’s /httpdocs directory after the user was renamed.
[-] After applying the “Domain admin owned by admin” -> “Customer” transition scheme to the new business model after upgrading Panel from old versions like 9.x, the subscription’s auxiliary users were not transferred to the new owner. (PPPM-1129)
[-] (Windows) The Collect Info tool did not collect logs from the php_error.log and panel.log files when the tool was run in the middle mode. (