The Internet Super Hero blog has posted a series of updates on the state of the PDO setup for the MySQL native driver:

• PDO_MYSQLND: R[a¦u]mbling and a breeze of progress
• PDO_MYSQLND: Calling Stored Procedures works fine with mysqlnd
• PDO: Learn how the PDO SQL parser causes bug reports
• PDO_MYSQLND: Mighty multiple-queries and PDOStatement::nextRowset()
• PDO_MYSQLND: Monday morning murders

You can find out more about the project from its page on the MySQL website.