- Support SWAGGER_CONFIG and OAUTH_CONFIG in app.config by luolingchun in 153
**DeprecationWarning**
- The `api_doc_url` is deprecated in v4.x, use `doc_url` instead.
- The `swagger_url` is deprecated in v4.x.
- The `redoc_url` is deprecated in v4.x.
- The `rapidoc_url` is deprecated in v4.x.
- The `oauth_config` is deprecated in v4.x, use `app.config['OAUTH_CONFIG']` instead.
- The `doc_expansion` is deprecated in v4.x, use `app.config['SWAGGER_CONFIG']` instead.
- The `swagger_config` is deprecated in v4.x, use `app.config['SWAGGER_CONFIG']` instead.
- The `ui_templates` is deprecated in v4.x.