Github user greghogan commented on the issue:
https://github.com/apache/flink/pull/3703
@joan38 there has been a discussion on the mailing list about dropping Java
7 support (no one has objected) which will make it simpler to support Scala
2.12 in the upcoming release.
---
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.
---