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React Router Development

Releases

New releases should be created from release branches originating from the dev branch. When you are ready to begin the release process:

  • Make sure you've pulled all the changes from GitHub for both dev and main branches.
  • Check out the dev branch.
  • Create a new release-next branch (eg, git checkout -b release-next).
    • Technically, any release-*next* branch name will work as this is what triggers our GitHub CI workflow that will ultimately publish the release - but we just always use release-next
  • Merge main into the release branch.

Changesets will do most of the heavy lifting for our releases. When changes are made to the codebase, an accompanying changeset file should be included to document the change. Those files will dictate how Changesets will version our packages and what shows up in the changelogs.

Starting a new pre-release

  • Ensure you are on the new release-next branch.
  • Enter Changesets pre-release mode using the pre tag: pnpm changeset pre enter pre.
  • Commit the change and push the release-next branch to GitHub.
  • Wait for the release workflow to finish. The Changesets action in the workflow will open a PR that will increment all versions and generate the changelogs.
  • Check out the PR branch created by changesets locally
  • Review the updated CHANGELOG.md files in the PR locally and make any adjustments necessary, then merge the PR into the release-next branch.
    • find packages -name 'CHANGELOG.md' -mindepth 2 -maxdepth 2 -exec code {} \;
  • Once the changesets files are in good shape, merge the PR to release-next
  • Once the PR is merged, the release workflow will publish the updated X.Y.Z-pre.* packages to npm.
  • At this point, you can begin crafting the release notes for the eventual stable release in the root CHANGELOG.md file in the repo
    • Copy the template for a new release and update the version numbers and links accordingly
    • Copy the relevant changelog entries from all packages into the release notes and adjust accordingly
    • Commit these changes directly to the release-next branch - they will not trigger a new prerelease since they do not include a changeset

Iterating a pre-release

You may need to make changes to a pre-release prior to publishing a final stable release. To do so:

  • Branch off of release-next and make whatever changes you need
  • Create a new changeset: pnpm changeset.
    • IMPORTANT: This is required even if you ultimately don't want to include these changes in the logs. Remember, changelogs can be edited prior to publishing, but the Changeset version script needs to see new changesets in order to create a new version.
  • Push your branch to GitHub and PR it to release-next.
  • Once reviewed/approved, merge the PR to the release-next branch.
  • Wait for the release workflow to finish and the Changesets action to open its PR that will increment all versions.
  • Review the PR, make any adjustments necessary, and merge it into the release-next branch.
  • Once the PR is merged, the release workflow will publish the updated X.Y.Z-pre.* packages to npm.
  • Make sure you copy over the new changeset contents into stable release notes in the root CHANGELOG.md file in the repo

Publishing the stable release

  • Exit Changesets pre-release mode in the release-next branch: pnpm changeset pre exit.
  • Commit the edited pre-release file along with any unpublished changesets, and push the release-next branch to GitHub.
  • Wait for the release workflow to finish. The Changesets action in the workflow will open a PR that will increment all versions and generate the changelogs for the stable release.
  • Review the updated CHANGELOG files in the PR and make any adjustments necessary.
    • find packages -name 'CHANGELOG.md' -mindepth 2 -maxdepth 2 -exec code {} \;
    • Our automated release process should have removed prerelease entries
  • Finalize the release notes
    • This should already be in pretty good shape in the root CHANGELOG.md file in the repo
    • Do a quick double check that all iterated prerelease changesets got copied over
  • Merge the PR into the release-next branch.
  • Once the PR is merged, the release workflow will publish the updated packages to npm.
  • Once the release is published:
    • Pull the latest release-next branch containing the PR you just merged
    • Merge the release-next branch into main using a non-fast-forward merge and push it up to GitHub
      • git checkout main
      • git merge --no-ff release-next
      • git push origin main
    • Merge the release-next branch into dev using a non-fast-forward merge and push it up to GitHub
      • git checkout dev
      • git merge --no-ff release-next
      • git push origin dev
    • Convert the [email protected] tag to a Release on GitHub with the name v6.x.y and add a deep-link to the release heading in CHANGELOG.md
    • Delete the release-next branch locally and on GitHub

Hotfix releases

Hotfix releases follow the same process as standard releases above, but the release-next branch should be branched off latest main instead of dev. Once the stable hotfix is published, the release-next branch should be merged back into both main and dev just like a normal release.

6.x releases from the v6 branch

After the 6.25.0 release, we branched off a v6 branch for continued 6.x work and merged the v7 branch into dev to begin preparation for the 7.0.0 release. Until we launch 7.0.0, we need to 6.x releases in a slightly different manner.

  • Changes for 6.x should be PR'd to the v6 branch with a changeset
  • Once merged, cherry-pick or re-do those changes against the dev branch so that they show up in v7
    • This does not apply to things like adding deprecation warnings that should not land in v7
    • You should not include a changelog in your commit to dev
  • Starting the release process for 6.x is the same as outlined above, with a few changes:
    • Branch from v6 instead of dev
    • Do not merge main into the release-* branch
  • The process of the PRs and iterating on prereleases remains the same
  • Once the stable release is out:
    • Merge release-next back to v6 with a Normal Merge
    • Patch the changes into main
      • git checkout main
      • git diff [email protected]@6.26.2 > ./changes.patch
      • git apply changes.patch
    • The code changes should already be in the dev branch but confirm that the commits in this release are all included in dev already:
    • Copy the updated changelogs from release-next over to dev so the changelogs continue to reflect this new 6x release into the v7 releases

Experimental releases

Experimental releases and hot-fixes do not need to be branched off of dev. Experimental releases can be branched from anywhere as they are not intended for general use.

  • Create a new branch for the release: git checkout -b release-experimental
  • Make whatever changes you need and commit them: git add . && git commit "experimental changes!"
  • Update version numbers and create a release tag: pnpm run version:experimental
  • Push to GitHub: git push origin --follow-tags
  • The CI workflow should automatically trigger from the experimental tag to publish the release to npm