The following issues were resolved:
[-] (Linux) Upgrading Parallels Plesk Panel to 11.5 failed if the Panel administrator’s password contained the backslash sign (“\”). (PPPM-1084)
[-] (Linux) The bootstrapper script could not connect to the apsc database after a failure on upgrade. (PPPM-1118)
[-] (Linux) The bootstrapper script (bootstrapper.sh repair) did not upgrade the apsc database. (PPPM-1134)
[-] (Linux) The bootstrapper script (bootstrapper.sh repair) failed if the package pp-sitebuilder was installed but there was no Sitebuilder database or user. (PPPM-909)
[-] (Linux) After upgrading from Panel 10.x to 11.x, the location of the cgi-bin directory could be incorrect (not in the webspace or www-root directory). (PPPM-810)
[-] (Linux) It was impossible to configure Panel installed on openSuSE 12.3 x64.
[-] (Linux) Panel upgrade failed if the same database user was assigned to multiple databases. (PPPM-1144)
[-] (Linux) Panel 11.5 could not restore vhost.conf and cron tasks from backup files of previous Panel versions.
[-] (Linux) PHPMyAdmin failed to export databases with the error “502 Bad Gateway: stderr: zend_mm_heap corrupted”. (PPPM-865)
[-] (Linux) The crontab secure shell settings were set to default ones after Panel upgrading. (PPPM-1163)
[-] (Linux) The absence of core.version lead to failed upgrade. (PPPM-934)
[-] (Windows) Web hosting reconfiguration for a large number of sites during a Panel upgrade could cause an upgrade failure. (PPPM-1150)
[-] (Windows) The Help window popped up while typing ‘p’ in Internet Explorer 11. (PPPM-1152)
[-] (Windows) Messages about missing “.pyc” files appeared in Parallels Installer console. (PPPM-1145)