Scala 2.12.9 release ๐Ÿš…

Itโ€™s time for another 2.12 minor release! The release is planned for the end of July.

Please review:

We intend to close the PR queue in the next few days with the exception of the currently assigned issues (your help always appreciated!).

Now might be a good moment to try a nightly build:

  • Add a resolver resolvers += "scala-integration" at "https://scala-ci.typesafe.com/artifactory/scala-integration/"
  • Set the Scala version to 2.12.9-bin-d386f96
  • Also explained here: https://stackoverflow.com/a/40622879/248998
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scala/scala PR have all been merged. If all goes well 2.12.9-bin-82e3405 is the current candidate. No further PRs will be committed unless thereโ€™s a last-minute bug fix.

For more details, see https://github.com/scala/scala-dev/issues/639

Hereโ€™s the draft release note. https://gist.github.com/eed3si9n/ea878634329942e1877a872dc77d9a5d. Let me know if I missed something, or if I can improve on the wording etc.

New candidate is 2.12.9-bin-87d43d0.

released Scala 2.12.9!

Scala 2.12.9 brings another 5% ~ 10% improvement in compiler performance, improved compatibility with JDK 11/12/13, and experimental infrastructure for build pipelining. Thanks to many contributors and sponsorship by Lightbend!

For more details please see https://github.com/scala/scala/releases/tag/v2.12.9

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Great Job !
improving compatibility whilst offering better performance is a fantastic accomplishment !
:partying_face:

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