es.apache.org/jira/browse/FLINK-19121'>FLINK-19121</a>] -         Avoid accessing HDFS frequently in HiveBulkWriterFactory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-19135'>FLINK-19135</a>] -         (Stream)ExecutionEnvironment.execute() should not throw ExecutionException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-19138'>FLINK-19138</a>] -         Python UDF supports directly specifying input_types as DataTypes.ROW
</li>
<li>[<a href='https://issues.apache.org/jir