mysqladmin processlist could kill the server if a new user logged in.
DELETE FROM tbl_name WHERE key_column=col_name didn't find any matching rows. Fixed.
DATE_ADD(column, ...) didn't work.
INSERT DELAYED could deadlock with status upgrading lock.
Extended ENCRYPT() to take longer salt strings than 2 characters.
longlong2str is now much faster than before. For Intel x86 platforms, this function is written in optimized assembler.
Added the MODIFY keyword to ALTER TABLE.