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  • KIP-NEXT: Drop support for Scala 2.11
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Current stateDraft

Discussion thread: here

JIRA: here

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).


Scala 2.11.0 was released in April 2014 and support for 2.11.x ended in Nov 2017. Scala 2.12.0 was released in Nov 2016 and Scala 2.13.0 was released in June 2019. Given this, it's time to consider dropping support for Scala 2.11 so that we keep the testing matrix manageable (it takes nearly 6 hours to run the unit and integration tests with the 3 Scala versions) and for better interoperability with Java 8 functional interfaces (first introduced by Scala 2.12).

Public Interfaces

Proposed Changes

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Compatibility, Deprecation, and Migration Plan

Rejected Alternatives

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