Google's Rich Results tool can show incorrect data when used for debugging structured data, which is where Schema.org's ...

The ultra high-performance JSON Schema validator, providing validation in the nano-second range along with perfect compliance scores. Supports Draft 4, Draft 6, Draft 7, 2019-09 and 2020-12. For both ...

and this JSON (from the same article): While it may seem counter-intuitive to use a language other than JSON to express JSON Schema, YAML is a lot easier to work with, particularly when multi-line ...