he `FutureCompletingBlockingQueue` to wakeup blocking put() more elegantly.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-18604'>FLINK-18604</a>] -         HBase  ConnectorDescriptor can not work in Table API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-18673'>FLINK-18673</a>] -         Calling ROW() in a UDF results in UnsupportedOperationException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-18680'>FLINK-18680</a>] -         Improve RecordsWithSplitI