v1.9.11 Maintenance release for osTicket v1.9 series We skipped v1.9.10 to avoid confusion with v1.10 (the major release coming out at the same time) === Enhancements * Log to syslog on php mail() error (#2128) * Full path of help topics shown in filter management (3d98dff) * Auto rebuild the search index if %_search table is dropped (#2250) * New version available message in system information (c1b5a33) === Improvements * Fix appearance of ` <div>` in user names (*regression in v1.9.9*) (be2f138) * Out-of-office notification does not clear closing agent (#2181) * Fix check for departments limiting assignees to members only (#2143) * Fix signal data pass by reference (#2195) * Fix template variables not rendering in href attributes (#2223) * Fix missing custom data for new users (#2203) * Fix incorrect cli option expansion (#2199) * Properly encode `To` header for php mail() sends (857dd22) * Fix incorrect message body when fetching TNEF emails (0ec7cf6) * Fix layout of some tables in PDF export (cef3dd3) === Performance and Security * Fix XSS issue on choices field type (#2271)