* Added table option variable to the SQL patch files, so now upgrading a non-standard schema won't leave your database horribly corrupted.
* Added sql.php, for sourcing SQL files with MediaWiki variable substitution.
* Disable MySQL's strict mode at session start for MySQL 4.1+, to avoid the various problems that occur when it is on.
available. Currently using for the message cache to avoid reading
every message separately. This now is only slightly slower than
memcached in my tests when $wgUseDatabaseMessages is enabled, so
it's a bit of a speedup for common hosts.