Upgraded to use Autoconf 2.13, Automake 1.4 and libtool 1.3.2.
Better support for SCO in configure.
Added option --defaults-file=file_name to option file handling to force use of only one specific option file.
Extended CREATE syntax to ignore MySQL Version 3.23 keywords.
Fixed deadlock problem when using INSERT DELAYED on a table locked with LOCK TABLES.
Fixed deadlock problem when using DROP TABLE on a table that was locked by another thread.
Add logging of GRANT/REVOKE commands in the update log.
Fixed isamchk to detect a new error condition.
Fixed bug in NATURAL LEFT JOIN.