 10.8.3.0 introduces the following new features and incompatibilities. These merit your special attention.</p>
<ul>
<li>
<a href="#Note for DERBY-5564"><span>Note for DERBY-5564: 
The SQL state of the error returned from a lock timeout when the property "derby.locks.deadlockTrace=true" is set will return 40XL1 rather than 40XL2.

</span></a>
</li>
<li>
<a href="#Note for DERBY-4631"><span>Note for DERBY-4631: 
Derby can pick incorrect join column value for a RIGHT OUTER JOIN with NATURAL/USING clause. 
</sp