The following bugs have been fixed:

[-] Possible security vulnerability due to insufficient validation of input parameters
[-] Bugfixes from the billing team for 10.4.4 MU#3
[-] No subdomains in Plesk GUI after upgrade
[-] Errors during SiteBuilder site publishing if Plesk has been installed to /var/local
[-] Error when managing a Java application on a subdomain
[-] Embedded Video blocks images in SiteBuilder Image Gallery
[-] Applications that can not be installed in Plesk have been hidden from the Application catalog
[-] Only featured apps from Infrastructure category showing on Server > Tools & Settings
[-] Not all the images have been migrated from SiteBuilder 4.5 site’s image gallery
[-] plesk_agent_manager.exe fails with unhandled exception if psarepository.dll was replaced to old version
[-] plesk_agent_manager.exe silently fails if psadumpschema.dll was replaced to old version
[-] Automatic user login of Plesk SugarCRM did not work
[-] If you try to set a password for mail account that contains the symbol "£" is an error with no clear message