243'>FLINK-20243</a>] -         Remove useless words in documents
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20262'>FLINK-20262</a>] -         Building flink-dist docker image does not work without python2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20266'>FLINK-20266</a>] -         New Sources prevent JVM shutdown when running a job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20270'>FLINK-20270</a>] -         Fix the regression of missing Externa