Totara 2.6.12 is a snapshot release containing bug fixes, improvements and API changes.

Here's the changelog:

Release 2.6.12 (21st October 2014):
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Improvements:
    T-12823        Removed invalid string in language pack for the totara_core component
    T-12610        Improved multilingual support in mod_quiz question bank category selector

Bug Fixes:
    T-13285        Fixed sorting by 'Certification Due Date' in report source RoL Certifications
    T-12640        Fixed issue with many text fields in large appraisals and feedback360
                   
                   Added support for large tables when using MySQL 5.5 or later. Database
                   servers need to be configured to use the new Barracuda database format and
                   one file per table setting. Existing database tables are not fixed during
                   upgrade, use admin/cli/mysql_compressed_rows.php to fix existing
                   installations.
                   
                   PostgreSQL and MS SQL servers are not affected.

    T-13300        Fixed course form visibility field for roles based on "Editing trainer" archetype
    T-10554        Fixed reportbuilder reports for old (2.2) and new Assignment modules
    T-13297        Fixed the Program is live warning while editing Programs when audience visibility is enabled
    T-11938        Fixed warning in the program assignment tab when using position assignment type
                   
                   This happens when using the position assignment type and several users
                   don't have primary position assigned.

    T-12300        Fixed Face-to-face session visibility not working as expected in Face-to-face calendar when audience visibility is enabled
    T-13101        Fixed dropdown widths in older browsers
    T-12765        Added sort order in program assignments to select the completion date for a user
                   
                   IMPACT: when having more than one assignment for a user in programs or
                   certifications, it is not possible to know what completion date is taken
                   into account in the user's due date. Now a sort order has been added, so
                   the last assignment made for the user is the one the system uses to
                   determine the due date. 
                   
                   Also, there is a change that allows overriding the overdue date in
                   certifications once it has passed. So, if a certification has expired for a
                   user and the completion date set is greater than the expiry date, then it
                   will be used as the new expiry date.

    T-13361        Fixed due date not being updated in program messages when an exception is resolved
    T-13281        Allow site administrators to edit files in single activity format courses when display is set to open or download
    T-13318        Fixed issue where uploading course completion records can result in incorrect Program completion dates
                   
                   IMPACT: if the course completion upload tool is used to upload course
                   completions, and the completed course then results in a program being
                   completed, the resulting program completion dates are incorrect as the code
                   incorrectly uses the MAX completion date in the uploaded CSV to set the
                   completion date for every user in the Program.
                   
                   SCOPE: every user in a program that contains courses, where completion data
                   is being uploaded via the course completion tool


API Changes:
    T-12906        Fixed links to embedded reports in My Reports
                   
                   Added new public property 'url' to every $report object