**Protocol**
- Add an `OpenAPI specification <https://kinto.readthedocs.io/en/latest/api/1.x/openapi.html>`_ for the HTTP API on ``/__api__`` (Kinto/kinto#997)
**New features**
- When admin is enabled, ``/v1/admin`` does not return ``404`` anymore, but now redirects to
``/v1/admin/`` (with trailing slash).
**Bug fixes**
- Add missing ``Total-Records`` field on ``DELETE`` header with plural endpoints (fixes Kinto/kinto1000)
kinto-admin
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