Fixed problem in the C API when you called mysql_close() directly after mysql_init().
Better client error message when you can't open socket.
Fixed delayed_insert_thread counting when you couldn't create a new delayed_insert thread.
Fixed bug in CONCAT() with many arguments.
Added patches for DEC 3.2 and SCO.
Fixed path-bug when installing MySQL as a service on NT.
MySQL on Windows is now compiled with VC++ 6.0 instead of with VC++ 5.0.
New installation setup for MySQL on Windows.