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RELEASING.md

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Versioning and releasing

OpenTelemetry Auto-Instrumentation for Java uses SemVer standard for versioning of its artifacts.

The version is specified in version.gradle.kts.

Snapshot builds

Every successful CI build of the main branch automatically executes ./gradlew publishToSonatype as the last step, which publishes a snapshot build to Sonatype OSS snapshots repository.

Starting the Release

Before making the release:

  • Merge a PR to main updating the CHANGELOG.md
  • Run the Prepare Release Branch workflow.
  • Review and merge the two PRs that it creates (one is targeted to the release branch and one is targeted to the main branch)
  • Delete the branches from these two PRs since they are created in the main repo

Open the Release workflow.

Press the "Run workflow" button, then select the release branch from the dropdown list, e.g. v1.9.x, and click the "Run workflow" button below that.

This triggers the release process, which builds the artifacts, publishes the artifacts, and creates and pushes a git tag with the version number.

After making the release:

  • Merge a PR to main with the following change
    • Bump the version in the download link in the root README.md file

Announcement

Once the GitHub workflow completes, go to Github release page, press Draft a new release to write release notes about the new release. If there is already a draft release notes, just point it at the created tag.

Patch Release

All patch releases should include only bug-fixes, and must avoid adding/modifying the public APIs.

In general, patch releases are only made for bug-fixes for the following types of issues:

  • Regressions
  • Memory leaks
  • Deadlocks

Before making the release:

  • Merge PR(s) containing the desired patches to the release branch
  • Merge a PR to the release branch updating the CHANGELOG.md
  • Merge a PR to the release branch updating the version in these files:
    • version.gradle.kts
    • examples/distro/build.gradle
    • examples/extension/build.gradle

Open the Release workflow.

Press the "Run workflow" button, then select the release branch from the dropdown list, e.g. v1.9.x, and click the "Run workflow" button below that.

This triggers the release process, which builds the artifacts, publishes the artifacts, and creates and pushes a git tag with the version number.