3 ms·

With OpenAPI spec < 3 there's no support for sum types. This at least for me lead to semi heavy refactoring of the client lib (for Dart lang).

• smt88 7y ago
  It's worth upgrading to 3. Tooling support is now better for 3 than 2.
  • hopia 7y ago
    I absolutely would but my web framework doesn't have support for it.