A service pack for MySQL Enterprise 5.0 was released, bringing the version number up to 5.0.30 and including changes like:
- Bug Fix: InnoDB showed substandard performance with multiple queries running concurrently.
- Bug Fix: InnoDB exhibited thread thrashing with more than 50 concurrent connections under an update-intensive workload
- Bug Fix: Some queries that used MAX() and GROUP BY could incorrectly return an empty result
Plus a new beta version of MySQL 5.1 is out, with various fixes and enhancements.