issues.apache.org/jira/browse/FLINK-19225'>FLINK-19225</a>] -         Improve code and logging in SourceReaderBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-19245'>FLINK-19245</a>] -         Set default queue capacity for FLIP-27 source handover queue to 2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-19251'>FLINK-19251</a>] -         Avoid confusing queue handling in &quot;SplitReader.handleSplitsChanges()&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/brow