v1.6.1-incubating rc1 The vote[1] failed due to two regression issues[2][3].
[1] https://lists.apache.org/thread/4qoq7fo0zjv7q2k0cczolnbp0sz2wdwf [2] https://github.com/apache/incubator-kyuubi/pull/3590 [3] https://github.com/apache/incubator-kyuubi/issues/3744
