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https://issues.apache.org/jira/browse/FLINK-13414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17533824#comment-17533824
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Nick Burkard commented on FLINK-13414:
--------------------------------------
I don't think flink-adt would be savepoint compatible with jobs dependent on
flink-scala unfortunately. flink-adt uses its own custom type information,
serializers & serializer snapshots for multiple data types, which are not
present in flink-scala. Once you're on Scala 2.13+ you can no longer use
flink-scala as well, since Flink only builds scala binaries for 2.12. This
means you'd need to switch to wrapping the Java APIs or use something like
[flink4s|https://github.com/ariskk/flink4s]. Additionally, upgrading Scala
versions raises the question of binary compatibility between versions. This
means for example Scala 2.12 code is not compatible with Scala 2.13 code. This
changes in Scala 3, but only going forwards.
> Add support for Scala 2.13
> --------------------------
>
> Key: FLINK-13414
> URL: https://issues.apache.org/jira/browse/FLINK-13414
> Project: Flink
> Issue Type: New Feature
> Components: API / Scala
> Reporter: Chaoran Yu
> Priority: Minor
> Labels: auto-deprioritized-major, pull-request-available
>
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