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- Support for recursive $refs
- Support for remote $refs e.g. Swagger 2.0 specs that span multiple json files
- Requires bravado-core 4.0.0 which is not backwards compatible (See its `CHANGELOG <http://bravado-core.readthedocs.org/en/latest/changelog.html>`_)
- Transitively requires swagger-spec-validator 2.0.2 which is not backwards compatible (See its `CHANGELOG <http://swagger-spec-validator.readthedocs.org/en/latest/changelog.html>`_)