Totara 2.2.9 is a "snapshot" release containing bug fixes.
Here's the 2.2.9 changelog:
Release 2.2.9 (1 November 2012):
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Database upgrades:
T-10051 Fix course completion totals on the managers My Team report
Improvements:
T-10063 Add missing elearning messaging icons
T-10031 Fix display of the language menu in the standardtotara theme
T-9851 Add Totara menu to "my mobile" theme
T-10014 Re-implement hiding of empty columns for flexible_table component
Bug fixes:
T-10034 Fix message creation error when message metadata already exists
T-10045 Fix saving of Program summary and endnote fields
T-9804 Fix to Spanish Castilian language pack to aid AMOS translation work
T-5734 Fix PHP5.4 empty object warning in SCORM package
T-10029 Hide empty feedback submissions and display count of blank entries in Feedback
T-10027 Fix duplicate user ids and "nothing to do" message in course participation report
T-10061 Fix display of dates prior to 1970 in Reportbuilder
T-10044 Fix missing column headings in Facetoface block
T-6710 Fix hardcoded language string in Facetoface
T-10053 Fix fatal error when removing Facetoface session custom fields
T-10036 Fix Browse Users form behaviour in IE7/8 when pressing Enter
T-10067 Fix display when viewing learning plans in IE7
T-9947 Use authentication plugin when processing password changes in totara_sync
T-10065 Fix MSSQL and temptable errors in totara_sync
T-10062 Fix file rename issue when running totara_sync on Windows/IIS