Stream Forwarding changes to not wait on buffer full before writing. Instead input streams will be read character by character as they Console.Write or Console.WriteLine. Upon finding a newline character, the line will be printed to the parent process's console.

src/dotnet/commands/dotnet-restore/Program.cs

@@ -21,7 +21,6 @@ namespace Microsoft.DotNet.Tools.Restore
     {
         private static readonly string DefaultRid = PlatformServices.Default.Runtime.GetLegacyRestoreRuntimeIdentifier();
 
-
         public static int Run(string[] args)
         {
             DebugHelper.HandleDebugSwitch(ref args);