Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3018
Unfortunately, this breaks the API's binary compatibility. That's why the
issue is also a sub-issue of the Flink 2.0 breaking changes. I think we need to
delay this until we start the 2.0 branch.
---
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.
---