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Release Process

Pre Release

1: Upgrade to latest semantic-conventions if required.

2: Make sure all relevant changes for this release are included under Unreleased section in CHANGELOG.md and are in language that non-contributors to the project can understand.

3: Run the pre-release script. It creates a branch pre_release_<new-tag> and updates CHANGELOG.md with the <new-tag>:

./buildscripts/pre_release.sh -t <new-tag>

4: Verify that CHANGELOG.md is updated properly:

git diff main

5: Push the changes to upstream and create a Pull Request on GitHub. Be sure to include the curated changes from the Changelog in the description.

Tag

Once the above Pull Request has been approved and merged it is time to tag the merged commit.

IMPORTANT: It is critical you use the same tag that you used in the Pre-Release step! Failure to do so will leave things in a broken state.

1: Note down the commit hash of the master branch after above PR request is merged: <commit-hash>

git show -s --format=%H

2: Create a github tag on this commit hash:

git tag -a "<new-tag>" -s -m "Version <new-tag>" "<commit-hash>"

3: Push tag to upstream remote

git push upstream

Versioning

Once tag is created, it's time to use that tag for Runtime Versioning

1: Create a new brach for updating version information in ./sdk/src/version.cc.

git checkout -b update_version_${tag} master

2: Run the pre-commit script to update the version:

./buildscripts/pre-commit

3: Check if any changes made since last release broke ABI compatibility. If yes, update OPENTELEMETRY_ABI_VERSION_NO in version.h.

4: Push the changes to upstream and create a Pull Request on GitHub.

5: Once changes are merged, move the tag created earlier to the new commit hash from step 4.

git tag -f <previous-tag> <new-commit-hash>
git push --tags --force

Release

Finally create a Release for the new <new-tag> on GitHub. The release body should include all the release notes from the Changelog for this release.

Post Release

Update the OpenTelemetry.io document here by sending a Pull Request.