<PackageReference Include="System.Text.Json" Version="9.0.0-preview.4.24266.19" />

API Differences between 9.0.0-preview.4.24266.19 and 4.6.0-preview9.19421.4

572 Additions 2 Removals

System.Text.Json

System.Text.Json.Nodes

System.Text.Json.Serialization

System.Text.Json.Serialization.Metadata