Changelog
April 2025
A new comparison engine released, up to 100x faster than the previous engine.
Configurable behavior support added.
July 2023
Warning
If you are here because tests that were previously passing are now failing, it is likely that your use of the discrimination keyword is incompatible with our latest update. Refer to this guide or how to correct this, and more generally our compatibility checks guide for understanding the errors and warnings.
Support for OAS 3.1
As per JSON Schema guidance, numbers are not coerced into narrow types such as
int64,int32andfloat, with support only fornumberandinteger. Validation has been relaxed to accommodate this (see https://github.com/ajv-validator/ajv-formats/pull/22#issuecomment-808896823).nullablenow requires use oftype, see https://github.com/ajv-validator/ajv/blob/490eb8c0eba8392d071fef005e16d330f259d0ba/lib/compile/validate/dataType.ts#L26C66-L26C66.Transformations to OAS document applied to improve use of
anyOf,oneOf,allOfand polymorphic payloads.
June 2023
Support for V4 Pacts added
Added full RFC 9110: HTTP Semantics §12 support for content-types, content-negotiation and vendor specific media types
Support for negative scenario testing