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MySQL 4.1.9 released.

MySQL 4.1.9, a new version of the popular Open Source/Free Software Database Management System has been released. It is now available in source and binary form for a number of platforms from our download pages at http://dev.mysql.com/downloads/ and mirror sites.

This is a bug fix release for the current production series.

Changes in release 4.1.9:

Functionality added or changed:

  • InnoDB: Do not acquire an internal InnoDB table lock in LOCK TABLES if AUTOCOMMIT=1. This helps in porting old MyISAM applications to InnoDB. InnoDB table locks in that case caused deadlocks very easily.
  • New implementation of shared memory transporter (for Cluster).

See complete list of changes and bugfixes here.

Source: dev.mysql.com