Scala 3 FAQ: How does 'derives' work? (Notes on type classes, derivation macros, and compile-time derivation)The derives keyword in Scala 3 streamlines creation of type class instances, specifically enhancing JSON handling in libraries like ZIO JSON.
A ZIO JSON solution to parse/decode JSON with blank spaces in the keys (and a type hierarchy)ZIO JSON provides a solution to decode JSON into Scala classes/objects.