New types StructuredCloneable (#897) 737550b Fixes Jsonify: Convert undefined to null in union element of array (#901) 60c1024 Exact: Fix support for Date in union (#902) d89a709 CamelCasedPropertiesDeep: Fix handling of non-recursive types inside target type (#890) 476024d v4.20.1...v4.21.0
