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https://issues.apache.org/jira/browse/FLINK-20845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17322882#comment-17322882
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Flink Jira Bot commented on FLINK-20845:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Drop support for Scala 2.11
> ---------------------------
>
> Key: FLINK-20845
> URL: https://issues.apache.org/jira/browse/FLINK-20845
> Project: Flink
> Issue Type: Sub-task
> Components: API / Scala
> Reporter: Nick Burkard
> Assignee: Nick Burkard
> Priority: Major
> Labels: pull-request-available, stale-assigned
>
> The first step to adding support for Scala 2.13 is to drop Scala 2.11.
> Community discussion can be found
> [here|https://lists.apache.org/thread.html/ra817c5b54e3de48d80e5b4e0ae67941d387ee25cf9779f5ae37d0486%40%3Cdev.flink.apache.org%3E].
> * Scala 2.11 was released in November 2017 and is quite old now. Most
> open-source libraries no longer build for it.
> * Upgrading libraries to support 2.13 will be much easier without 2.11. Many
> do not support 2.11, 2.12 and 2.13 at the same time, so this is basically
> required to get 2.13 support.
> Considerations:
> * The Flink Scala Shell submodule still does not support Scala 2.12. It isn't
> a strict dependency for dropping Scala 2.11, but would be nice to have before
> making the cut.
> * Stateful functions previously needed Scala 2.11, but it looks like it [now
> supports 2.12|https://github.com/apache/flink-statefun/pull/149].
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