The AUTO_INCREMENT sequence wasn't reset when dropping and adding an AUTO_INCREMENT column.

CREATE ... SELECT now creates non-unique indexes delayed.

Fixed problem where LOCK TABLES tbl_name READ followed by FLUSH TABLES put an exclusive lock on the table.

REAL @variable values were represented with only 2 digits when converted to strings.

Fixed problem that client “hung” when LOAD TABLE FROM MASTER failed.

myisamchk --fast --force no longer repairs tables that only had the open count wrong.

Added functions to handle symbolic links to make life easier in 4.0.

We are now using the -lcma thread library on HP-UX 10.20 so that MySQL is more stable on HP-UX.

Fixed problem with IF() and number of decimals in the result.

Fixed date-part extraction functions to work with dates where day and/or month is 0.

Extended argument length in option files from 256 to 512 chars.

Fixed problem with shutdown when INSERT DELAYED was waiting for a LOCK TABLE.

Fixed core dump bug in InnoDB when tablespace was full.

Fixed problem with MERGE tables and big tables (larger than 4GB) when using ORDER BY.