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<title>SQLite Release 3.6.14 On 2009-05-07</title>
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<h2>SQLite Release 3.6.14 On 2009-05-07</h2><p><ol class='lessindent'>
<li>Added the optional <a href="../asyncvfs.html">asynchronous VFS</a> module.</li>
<li>Enhanced the query optimizer so that <a href="../vtab.html">virtual tables</a> are able to
make use of OR and IN operators in the WHERE clause.</li>
<li>Speed improvements in the btree and pager layers.</li>
<li>Added the <a href="../compile.html#have_isnan">SQLITE_HAVE_ISNAN</a> compile-time option which will cause
the isnan() function from the standard math library to be used instead
of SQLite's own home-brew NaN checker.</li>
<li>Countless minor bug fixes, documentation improvements, new and
improved test cases, and code simplifications and cleanups.</p>
</ol></p>
<p>A <a href="../changes.html">complete list of SQLite releases</a>
in a single page and a <a href="../chronology.html">chronology</a> are both also available.
A detailed history of every
check-in is available at
<a href="https://www.sqlite.org/src/timeline">
SQLite version control site</a>.</p>
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