You can find the latest released draft on the Specification page. Older drafts are expired, but may be of historical interest.

Latest Snapshot (work in progress)

The next unreleased draft is a work in progress. You can give feedback and get involved on GitHub.

Draft 6




Draft 5

Note: Draft 5 was primarily a cleanup of Draft 4 and therefore does not have its own meta-schema. The Draft 4 meta-schema should continue to be used until Draft 6, which will have a new meta-schema, is available.

Draft 4

Draft 3

Drafts 0/1/2

These older drafts can be found on GitHub: Draft 0, Draft 1, Draft 2