Support for Node 4 was removed. Node 6 is the minimum supported version of Node.
Enhancements
Adds support for the x-nullable schema extension. This allows adding null as a type to a schema. This is an OpenAPI 3 feature ported to Swagger 2 as a vendored extension. #112
Breaking
Enhancements
x-nullableschema extension. This allows addingnullas a type to a schema. This is an OpenAPI 3 feature ported to Swagger 2 as a vendored extension.#112