Versioning Policy

Updated Oct 3, 2026 Markdown

v1 is stable forever — no breaking change ships under /api/v1/. Backwards-incompatible work goes through /api/v2/, deployed in parallel with a 15-month deprecation window for v1.

The full policy (header conventions, deprecation timelines, deprecation warnings) is documented in docs/developer/versioning-policy.md.

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