v0.19.0 2023-03-30

What's Changed

• Fix Validator::complete not being implemented properly for all validator types by @dmontagu in #494
• Model subclass instances by @samuelcolvin in #492
• Allow instances of subclasses in strict mode by @samuelcolvin in #498
• add ValidationError.json() method as per V1 by @samuelcolvin in #499
• adding to_jsonable_python method by @samuelcolvin in #500
• Uprev to 0.19.0 by @dmontagu in #502
• Different error messages for JSON input by @samuelcolvin in #501

Full Changelog: v0.18.1...v0.19.0