Spotlight uses Changesets to track changes & versions.
Whenever you make a change that is users facing, you should add a changeset to your PR. You can do this by running the following command:
This will guide you through the process to define the changeset. You have to select which package(s) are affected by this change, if it is a patch/minor/major change, and provide a description for the change.
Note that not all PRs need a changeset (e.g. if you only write docs), and a PR can also have more than one changeset.