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## SQLite Release 3.3.4 On 2006-02-11

1. Fix a blunder in the Unix mutex implementation that can lead to deadlock on multithreaded systems.
2. Fix an alignment problem on 64-bit machines
3. Added the fullfsync pragma.
4. Fix an optimizer bug that could have caused some unusual LEFT OUTER JOINs to give incorrect results.
5. The SUM function detects integer overflow and converts to accumulating an approximate result using floating point numbers
6. Host parameter names can begin with '@' for compatibility with SQL Server.
7. Other miscellaneous bug fixes

A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site.