Release Notes: New modes were added: slow-queries, qcache-lowmem-prunes, bufferpool-wait-free, and log-waits.
Release Notes: Monitoring of several new data was added: thread cache hit rate, InnoDB buffer cache hit rate, table cache hit rate, and table lock contention. A German translation of the Web page is available.
Release Notes: A "./configure" script bug was fixed. The new mode tmp-disk-tables was added.