Totara 1.1.20 and 2.2.5 are "snapshot" releases - containing bug fixes and improvements. Here's the 1.1.20 changelog:
Release 1.1.20 (26 September 2012):
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Database upgrades:
T-9963 Fix potential missing oninfo field in Messages
Bug fixes:
T-9942 Fix HTML tags appearing in page titles
T-9556 Add default headings to Reportbuilder report sources
T-9539 Remove unnecessary background image files from Certificates
T-9958 Fix iCal UIDs when user has multiple Facetoface session signups & cancellations
T-9943 Fix for & in Certificate file names
T-9926 Fix regex for user profile dates when assigning users to Programs
T-9797 Fix SQL error when restoring completion records from a a backed-up Course
T-9931 Add "course visibility" column and filter to Reportbuilder reports
T-9924 Fix Plan Objective due date when not provided by user
T-9933 Fix error when Positions language string contains a quote
T-9955 Fix IE9 problem where texteditors are only clickable in a restricted area
T-9932 Fix display of completion info for user in Course Catalog
MDL-35201 Fix course reset capability error Backported from Moodle 2.x
and here's the 2.2.5 changelog:
Release 2.2.5 (26 September 2012):
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Database upgrades:
T-9963 Fix potential missing oninfo field in Messages which can cause failure on upgrade from 1.1
Improvements:
T-9956 Add totara_sync log report to embedded reports
T-9877 Added hierarchies duplicate idnumber warning to totara_sync
T-9974 Add position start/end dates to report builder
Bug fixes:
T-9925 Fix navbar when admin viewing other users permissions
T-5734 Fix warning relating to use of timezone CFG variable
T-9819 Fix task/alert pop-up dialog action buttons
T-9901 Fix new Course Demo Format when creating a new course
T-9814 Fix course enrolment & editing options for users with moodle/course:update capability
T-9942 Fix HTML tags appearing in page titles
T-9871 Fix for various missing language strings
T-9885 Fix various displayed references to Moodle
T-9859 Fix layout issue on some report pages
T-9539 Remove unnecessary background image files from Certificates
T-9943 Fix for & in Certificate file names
T-9938 Prevent upgrade from Totara 1.0 to 2.2 You must upgrade to 1.1.17+ first
T-9834 Fix Hierarchy breadcrumbs
T-9921 Fix missing delete_custom_field_data() function in Hierarchy Custom Fields
T-9807 Fix validation when using user Position select dialogs
T-9940 Fix SQL error in totara_recent_learning block when user has multiple roles
T-9946 Fix "Add Default Instance" issues with totara enrolment plugins
T-9962 Fix error when deleting a Learning Plan template
T-9959 Fix sending of multiple messages to manager as user is editing a Learning Plan
T-9895 Fix MSSQL error when trying to view Reportbuilder Activity Groups
T-9954 Fix display of notifications within a Reportbuilder report
T-9825 Fix multipicker HTML display in description of Find Courses embedded report
T-9556 Add default headings to Reportbuilder report sources
T-9802 Add support for Reportbuilder filters that aren't based on a columnoption
T-9937 Show report description on My Team members page
T-9834 Fix Program breadcrumbs
T-9922 Allow creation of multiple Program messages of same type
T-9847 Fix sending of course enrolment emails to users who have already completed a Program
T-9926 Fix regex for user profile dates when assigning users to Programs
T-9812 Fix Program recurring courseset backup, restore, enrolment and messaging issues
T-9892 Fix running of totara_sync cron
T-9952 Fix totara_sync failing when CSV contains empty rows
T-9712 Fix totara_sync validation checks for the User source
T-9712 Fix totara_sync element and source file detection
T-9712 Fix totara_sync validation of parent element when specified in CSV file
T-9951 Fix for totara_sync csv file structure example
T-9941 Fix for Facetoface calendar notifications
T-9958 Fix iCal UIDs when user has multiple Facetoface session signups & cancellations
T-9948 Fix update of sitewide calendar Facetoface events
Simon