<a href='https://issues.apache.org/jira/browse/FLINK-19162'>FLINK-19162</a>] -         Allow Split Reader based sources to reuse record batches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-19205'>FLINK-19205</a>] -         SourceReaderContext should give access to Configuration and Hostbame
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20397'>FLINK-20397</a>] -         Pass checkpointId to OperatorCoordinator.resetToCheckpoint().
</li>
</ul>
<h2>        Bug
</h2>
<ul>
<l