<PackageReference Include="System.Security.Permissions" Version="9.0.0-rc.1.24431.7" />
API Differences between 9.0.0-rc.1.24431.7 and 4.6.0-preview7.19362.9
28 Additions
4 Removals
System.DirectoryServices
System.Security.Policy
System.Xaml.Permissions