CHECK TABLE now works for
It can be used to tune disk write performance.
An auto-increment column now gets new values past the transaction mechanism. This saves CPU time and eliminates transaction deadlocks in new value assignment.
Several bug fixes, most notably the rollback bug in 3.23.38.
This is a translation of the MySQL Reference Manual that can be found at dev.mysql.com. The original Reference Manual is in English, and this translation is not necessarily as up to date as the English version.