5.11.18.6

  • [Security] XSS through email (#8046) (#8047)
  • [Performance] Slow update step 5.11.18 (#8072)
  • [Fix] Notification on internal "chat from TicketID" is sent twice (#8080)
  • [Fix] Link to queue cron KB article not displayed in some brands update (#8075)
  • [Fix] API v3 authentication: Proper HTTP codes (#8067)
  • [Fix] Call to undefined method _sys() in Api.class.php (#8066)