3.1.1 & 3.1.2-RC1 Release procedure

[Kordyjan]

• Publish 3.1.1 artifacts to Maven via CI
  • On release-3.1.1 branch
    • In Build.scala: Set baseVersion to 3.1.1
    • In Build.scala: Set previousDottyVersion according to the instructions in the comment to that variable.
    • In tasty/src/dotty/tools/tasty/TastyFormat.scala: Set ExperimentalVersion to 0 to indicate a stable release; make sure MajorVersion and MinorVersion are set correctly for the release.
    • Tag the branch as 3.1.1
  • Publish changelog for 3.1.1 on GitHub Releases
• Publish 3.1.2-RC1 artifacts to Maven via CI
  • Wait for green nightly CI build
  • Create branch release-3.1.2 from master
  • On that branch
    • In tasty/src/dotty/tools/tasty/TastyFormat.scala: Set ExperimentalVersion to 0 to indicate a stable release; make sure MajorVersion and MinorVersion are set correctly for the release.
    • Tag the branch as 3.1.2-RC1
• On master:
  • In Build.scala: Set previousDottyVersion to 3.1.1
  • In Build.scala: Set referenceVersion to 3.1.2-RC1
  • In project/MiMaFilters.scala: Remove all exclude filters
  • In Build.scala: Set baseVersion to 3.1.3-RC1
  • In tasty/src/dotty/tools/tasty/TastyFormat.scala: make sure MajorVersion and MinorVersion are set correctly for the 3.1.3.
• Release ecosystem for 3.1.1
• Wait for confirmation from tooling:
  • Metals
  • Scala CLI
  • Scala Native
• Notify Scala Steward
• Release to SDKMAN
• Publish API docs for 3.1.1 stdlib
• Announce the releases
  • Publish Blog Post on dotty.epfl.ch
  • Make an announcement thread on https://contributors.scala-lang.org
  • Tweet the announcement blog post on https://twitter.com/scala_lang

[WojciechMazur]

Scala Native artifacts for Scala 3.1.1 are on their way to the Maven repository. Supported versions are 0.4.3-RC1 and 0.4.3-RC2, but there were no problems and would be a part of the 0.4.3 final (release today)

[smarter]

A step that should be added to the checklist: close the corresponding milestone in https://github.com/lampepfl/dotty/milestones (and open a new milestone if needed with a date six weeks in the future).