<PackageReference Include="System.Security.Permissions" Version="9.0.0-preview.4.24266.19" />

API Differences between 9.0.0-preview.4.24266.19 and 4.5.0-preview1-26216-02

142 Additions 2 Removals

System.Configuration

System.DirectoryServices

System.Security.Permissions

System.Security.Policy

System.ServiceProcess

System.Web