sarutak commented on pull request #28855:
URL: https://github.com/apache/spark/pull/28855#issuecomment-645993471
> Oh! Are 2.2, 2.1, and 2.0 no longer maintained?
Yes.
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sarutak commented on pull request #28855:
URL: https://github.com/apache/spark/pull/28855#issuecomment-645864667
Hi @liucht-inspur , sorry but `branch-2.3` is no longer maintained so please
close this PR?
You can see our versioning policy
[here](https://spark.apache.org/versioning-polic