Totara 1.1.19 and 2.2.3 are "snapshot" releases - containing bug fixes and improvements. Here's the 1.1.19 changelog:
Release 1.1.19 (5 September 2012):
==================================================
Database upgrades:
T-9793 Fix SCORM activity completion when using view criteria only
T-9772 Add standard column and filter options to Report Builder source
Bug fixes:
T-9771 Fix MSSQL error in program cron
T-9770 Fix contexturl in Face To Face manager approval task
T-9774 Fix MSSQL error in plan cron
T-9778 Fix javascript error when adding program to a plan in Dutch
T-9332 Fix bulk reclassify hierarchy item types
T-9786 Rename timeallowance string on Program content tab
T-9787 Fix issues with SCORM form display settings
T-9794 Fix search when assigning members to cohort
T-9796 Support defaultuserrole in Report Builder access restriction
T-9789 Fix for SQL error on Feedback module
T-9769 Fix Report Builder cron for scheduled reports with no public saved search
T-9792 Add changes to INSTALL.txt on php.ini configuration settings
T-9847 Fix sending Program enrolment emails to users who have already completed the program
T-9791 Fix Face To Face conditional availability issues
T-5879 Fix broken Swedish langstring in Feedback report source
T-9810 Ensure all program completions are run in Program cron
T-9809 Fix recurring course repeat values in Program Management accepting negative integers
T-9848 Fix handling of any programs contained in course category being deleted
T-9902 Fixes for the dialog hierarchy filters in Report Builder
T-9909 Fixes for the basic hierarchy filters in Report Builder
T-9908 Fix cron sending messages to deleted users
T-9830 Prevent delete of Miscellaneous (or last remaining) Course Category
and here's the 2.2.3 changelog:
Release 2.2.3 (5 September 2012):
==================================================
Database upgrades:
T-9888 Backport SCORM directview patch MDL-33755 from 2.3
API Changes
T-9875 Program Management performance improvements to update_learner_assignments() A number of program management functions have changed names as well as some arguments:
create_future_assignment() => create_future_assignments_bulk(),
assign_learner() => assign_learners_bulk(),
new function courseset_group_timedue_bulk().
Improvements:
T-9856 Add script to allow completion cron to run as separate crontab job
T-9879 Add time created content restriction to user source
Bug fixes:
T-9909 Fixes for the basic hierarchy filters in Report Builder
T-9902 Fixes for the dialog hierarchy filters in Report Builder
T-9901 Fixes for course Demo format navigation & title
T-9830 Prevent delete of Miscellaneous (or last remaining) Course Category
T-9869 Fixes for RTL support in help popups
T-9887 Fix for Site Summary PHP Notice during install
T-9893 Fix MSSQL errors when moving hierarchy items
T-9809 Fix recurring course repeat values in Program Management accepting negative integers
T-9817 Totara sync now accepts underscores in mapped columns
Simon