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- Add support for reading YAML files - 74
- Make sure operationIds are unique within the same tag - 93
- Validate that array models in the top-level definitions have an ``items`` property (validation for array models in other places will come in a future release) - 95
- Responses (the mapping of HTTP status codes to Response objects) cannot be a reference - 92
- ``$ref`` values need to be strings - 83. Thanks ceridwen for your contribution!
- Ensure that default values are compliant with the spec - 82
- More helpful error message when encountering unresolvable path params - 72. Thanks daym for your contribution!