System (Temporary Newer) (analysis done Today 17:40 most recent)

// <Name>New .NET Core 3.0 API Namespaces</Name>
let olderNamespacesFullNames = codeBase.OlderVersion().Application.Namespaces.Select(m => m.FullName).ToHashSetEx()

from n in Application.Namespaces
where n.IsPublic    // We want namespaces that contain at least one public type
   && !olderNamespacesFullNames.Contains(n.FullName)
select new { 
   
n,
   
publicTypes = n.ChildTypes.Where(t => t.IsPublic) 
}
28 namespacespublicTypesFull Name
System.Windows.Markup1 typeSystem.Windows.Markup
System.Threading.Channels10 typesSystem.Threading.Channels
System.Text.Json20 typesSystem.Text.Json
System.Text.Json.Serialization9 typesSystem.Text.Json.Serialization
System.Text.Unicode2 typesSystem.Text.Unicode
System.Text.Encodings.Web5 typesSystem.Text.Encodings.Web
Windows.UI.Xaml7 typesWindows.UI.Xaml
Windows.UI.Xaml.Markup1 typeWindows.UI.Xaml.Markup
Windows.UI.Xaml.Automation2 typesWindows.UI.Xaml.Automation
Windows.UI.Xaml.Media1 typeWindows.UI.Xaml.Media
Windows.UI.Xaml.Media.Media3D1 typeWindows.UI.Xaml.Media.Media3D
Windows.UI.Xaml.Media.Animation3 typesWindows.UI.Xaml.Media.Animation
Windows.UI.Xaml.Controls.Primitives1 typeWindows.UI.Xaml.Controls.Primitives
Windows.UI1 typeWindows.UI
Windows.Foundation3 typesWindows.Foundation
System.Runtime.Remoting1 typeSystem.Runtime.Remoting
System.Text.Unicode1 typeSystem.Text.Unicode
System.Runtime.Remoting1 typeSystem.Runtime.Remoting
System.Text.Unicode1 typeSystem.Text.Unicode
Internal.Resources2 typesInternal.Resources
Internal.Threading.Tasks1 typeInternal.Threading.Tasks
Internal.Runtime.InteropServices7 typesInternal.Runtime.InteropServices
Internal.Runtime.InteropServices .WindowsRuntime1 typeInternal.Runtime.InteropServices .WindowsRuntime
System.Windows.Markup1 typeSystem.Windows.Markup
System.Net.Http.HPack1 typeSystem.Net.Http.HPack
System.Windows.Markup1 typeSystem.Windows.Markup
Microsoft.VisualBasic.FileIO10 typesMicrosoft.VisualBasic.FileIO
Microsoft.VisualBasic.FileIO10 typesMicrosoft.VisualBasic.FileIO
Sum:105
Average:3.75
Minimum:1
Maximum:20
Standard deviation:4.45
Variance:19.83