New and updated features
Automatic determination of optimal output and temporary directory upon visiting the Control Panel
Ability to skip table dependency tracking for extremely large databases (several hundred tables)
Misdetection of Joomla! 1.6 in various places if libraries/joomla/access/access.php is present on a Joomla! 1.5 site (even though it shouldn't be there...)
The Live Update was busted
CRITICAL The ZIP archiver was broken (the recorded timestamps caused the file to appear corrupt)
Live Update's cURL mode wouldn't work properly
We apologize for any inconvenience arising by the use of the previous releases of the 3.1.x branch.