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<p>The log file format changed in the Berkeley DB 4.7 release.</p>
<p>No database formats changed in the Berkeley DB 4.7 release.</p>
<p>The Berkeley DB 4.7 release does not support live replication upgrade from the
4.2 or 4.3 releases, only from the 4.4 and later releases.</p>
<p>For further information on upgrading Berkeley DB installations, see
<a class="xref" href="upgrade_process.html" title="Upgrading Berkeley DB installations">Upgrading Berkeley DB installations</a>.</p>
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