Release Play 2.8.9

[octonato]

Preparing the release

Better to do this in advance:

• [x] Make sure that other teams inside Lightbend are aware of the upcoming release, even if it is a minor/patch one
  • [x] Lightbend Telemetry Team
  • [x] Akka Team
• x[]

Do the Release (Full document)

• x[]

  • [ ] ~release play-json~
  • [ ] ~Look for PRs that should be merged.~
  • [ ] ~Look at status:needs-backport, status:needs-forwardport issues/PRs (including closed ones).~
  • [ ] ~Look at issues/PRs tagged milestone version (including closed ones).~
  • [ ] ~Update any dependencies that are needed. (e.g JDK, Scala)~
  • [ ] ~release play-ws~
  • [ ] ~Look for PRs that should be merged.~
  • [ ] ~Look at status:needs-backport, status:needs-forwardport issues/PRs (including closed ones).~
  • [ ] ~Look at issues/PRs tagged milestone version (including closed ones).~
  • [ ] ~Update any dependencies that are needed. (e.g JDK, Scala)~
  • [ ] ~Make sure play-ws uses new play-json~
  • [ ] ~release twirl~
  • [ ] ~Look for PRs that should be merged.~
  • [ ] ~Look at status:needs-backport, status:needs-forwardport, status:needs-backport-1.3 issues/PRs (including closed ones).~
  • [ ] ~Look at issues/PRs tagged milestone version (including closed ones).~
  • [ ] ~Update any dependencies that are needed. (e.g JDK, Scala)~
  • [ ] release interplay from its 2.1.x branch
  • [x] Merge https://github.com/playframework/interplay/pull/180

• x[]

  • [x] Look for PRs that should be merged.
  • [x] Look at status:needs-backport, status:needs-forwardport, status:needs-backport-2.6 issues/PRs (including closed ones).
  • [x] Look at issues/PRs tagged milestone version (including closed ones).
  • [x] Update any dependencies that are needed. (e.g JDK, Scala)
  • [ ] ~Make sure play uses new play-json, play-ws, twirl~

• [ ] ~Release external modules~

  • [ ] ~release play-slick~
  • [ ] ~release scalatestplus-play~
  • [ ] ~release play-grpc~

• x[]

• [ ] ~Update the supported modules page~

• x[]

• [ ] ~Update Example Code Service~

• x[]

  • [ ] ~Update .version in play-generated-docs~
  • x[]
  • [ ] ~Update versions for Example Code Service~
  • []

• []

  • [ ] Write a topic on https://discuss.lightbend.com/
  • [ ] Write a release on https://github.com/playframework/playframework/releases
  • [ ] Send an internal email to eng-updates
  • [ ] Tweet about the new release.

• []

[ennru]

As it turns out, the Scala Java 8 compat library sbt semantic version hunts this release down: https://github.com/playframework/playframework/issues/11027

[octonato]

closing in favor of https://github.com/playframework/play-meta/issues/198