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RELEASE.md

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Release process

Shipping a new version

  1. Ensure you are running on the oldest supported Erlang version

  2. Update version in /VERSION, bin/elixir and bin/elixir.bat

  3. Ensure /CHANGELOG.md is updated, versioned and add the current date

  4. Update "Compatibility and Deprecations" if a new OTP version is supported

  5. Commit changes above with title "Release vVERSION", generate a new tag, and push it

  6. Wait until GitHub Actions publish artifacts to the draft release and the CI is green

  7. Copy the relevant bits from /CHANGELOG.md to the GitHub release and publish it

  8. Add the release to elixir.csv with the minimum supported OTP version (all releases), update erlang.csv to the latest supported OTP version, and _data/elixir-versions.yml (except for RCs) files in elixir-lang/elixir-lang.github.com

Creating a new vMAJOR.MINOR branch

In the new branch

  1. Set CANONICAL= in /Makefile

  2. Update tables in /SECURITY.md and "Compatibility and Deprecations"

  3. Commit "Branch out vMAJOR.MINOR"

Back in main

  1. Bump /VERSION file, bin/elixir and bin/elixir.bat

  2. Start new /CHANGELOG.md

  3. Update tables in /SECURITY.md and in "Compatibility and Deprecations"

  4. Commit "Start vMAJOR.MINOR+1"

Changing supported Erlang/OTP versions

  1. Update the table in Compatibility and Deprecations

  2. Update otp_release checks in /Makefile and /lib/elixir/src/elixir.erl

  3. Update relevant CI workflows in /.github/workflows/*.yml

  4. Remove otp_release version checks that are no longer needed