The `started` field in the [iterations API](https://docs.gitlab.com/ee/api/iterations.html#list-project-iterations) is being deprecated and will be removed in GitLab 15.0. This field is being replaced with the `current` field (already available) which aligns with the naming for other time-based entities, such as milestones.
# The following items are not published on the docs page, but may be used in the future.
tiers:# (optional - may be required in the future) An array of tiers that the feature is available in currently. e.g., [Free, Silver, Gold, Core, Premium, Ultimate]