Newtonsoft.Json was the default JSON parser in ASP.NET Core for a bit, but that’s changed with .NET Core 3’s System.Text.Json. Newtonsoft was never tied to .NET

Newtonsoft.Json was the default JSON parser in ASP.NET Core for a bit, but that’s changed with .NET Core 3’s System.Text.Json. Newtonsoft was never tied to .NET Core itself directly.