koppa96 PolymorphExtensions.System.Text.Json by: koppa96 .NET 5.0 This package targets .NET 5.0. The package is compatible with this framework or higher. 1,217 total downloads last updated 4/25/2021 Latest version: 1.0.2 Json JSON Inheritance Polymorphysm Utilities for serializing and deserializing type hierarchies with System.Text.Json while keeping type information.