The Totara 2.5.18 release contains bug fixes and improvements.
Here's the changelog:
Release 2.5.18 (2nd September 2014):
==================================================
Improvements:
T-12735 Improved scalability for the program management page
T-12943 Improved debugging on Audience rules tab
API Changes:
T-12921 Changed generator class inheritance to resolve conflicts with PHP5.5
Bug Fixes:
T-12917 Fixed wording of breadcrumbs when viewing learner details as a manager
T-12464 Added error messages when importing course completion records with different grade on same day, user and course
T-12872 Fixed Appraisal Stages so they can be completed on the final due day
T-12890 Fixed Totara Sync to allow spaces in directory paths
T-12775 Disabled incorrect trust text usage
T-12511 Fixed get_roles_involved sql query when previewing an appraisal
T-12910 Fixed required parameter checks on the edit scheduled reports page
T-12767 Fixed backup and restore of Facetoface sessions without rooms
T-12799 Fixed filtering of course name through multilang filter for Certificates
T-12880 Fixed database error when deleting Programs
T-12576 Fixed the handling of dates with a zero value in Reportbuilder filters
T-12904 Fixed Totara Sync to allow @ in directory paths
T-12445 Fixed URL encoding in Hierarchies
T-12829 Fixed error on cron when a certification does not contain any courses
T-12893 Fixed the TinyMCE Editor fullscreen mode on IE8