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The Specification Layer

One email a week from Kin Lane on the contracts underneath everything else: OpenAPI, Arazzo, Overlay, AsyncAPI, JSON Schema, GraphQL, Protobuf and gRPC, CloudEvents and OTLP, SPIFFE and OpenFeature, SPDX, OCI, in-toto, OSV, SLSA, TUF, Sigstore, FDC3 and CALM. Read straight off the specification repositories themselves — what merged, what shipped, and what did not move.

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Latest issue · September 6 – September 13, 2026

The Release Went Out, the Fix Stayed Home

OpenAPI 3.2.1 shipped on September 10, twenty days ahead of the prediction I put on the record three weeks ago — and the Bengali-digit defect I reported last week did not ship with it. Not an oversight: the OAI's own written rule says a patch release cannot carry a schema update, so the fix waits...

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