OAS 3.2.0 Misc #449
Description
Better polymorphic support
- The discriminator propertyName can now be an optional field.
- New field defaultMapping to indicate which schema to use if the propertyName is not set, or if the value is unrecognized.
Templates with formal syntax
- The specification now includes ABNF (Augmented Backus–Naur Form) for path templating, server variables, and runtime expressions in the Link Object.
Flexible metadata fields in the Response Object
- description field for responses is now optional.
- Additional summary field for responses.
See #453
Additional updates
- A new key mediaTypes is supported under components to support re-use of Media Type Objects.