Github user NicoK commented on the issue:
https://github.com/apache/flink/pull/3512
let's include the improvements in a separate PR #4146 and drop the feature
additions for a re-work in FLIP-19
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---