Don't refer to C# 11 as "new" anymore (#49960)

* Remove C# 11 "What's new"

Remove the "What's new in C# 11 article, and consolidate with the C# version history.

* Remove references to C# 11 "new"

Removing all phrasing that indicates when a feature was added in C# 11.

Update date and perform an edit and review pass.

* Fix warnings

* more warnings..

* Move virtual static tutorial

* Update tutorial code.

* fix warnings

* mispelled redirection

* Apply suggestions from code review

Co-authored-by: Copilot <[email protected]>
Co-authored-by: Meaghan Osagie (Lewis) <[email protected]>

* respond to feedback.

---------

Co-authored-by: Copilot <[email protected]>
Co-authored-by: Meaghan Osagie (Lewis) <[email protected]>

Author: 3 people

.openpublishing.redirection.csharp.json

@@ -349,10 +349,6 @@
             "source_path_from_root": "/docs/csharp/getting-started/testing-library-with-visual-studio.md",
             "redirect_url": "/dotnet/core/tutorials/testing-library-with-visual-studio"
         },
-        {
-            "source_path_from_root": "/docs/csharp/getting-started/whats-new.md",
-            "redirect_url": "/dotnet/csharp/whats-new/csharp-11"
-        },
         {
             "source_path_from_root": "/docs/csharp/getting-started/with-visual-studio-2017.md",
             "redirect_url": "/dotnet/core/tutorials/with-visual-studio",
@@ -4753,7 +4749,11 @@
         },
         {
             "source_path_from_root": "/docs/csharp/whats-new/tutorials/static-abstract-interface-methods.md",
-            "redirect_url": "/dotnet/csharp/whats-new/tutorials/static-virtual-interface-members"
+            "redirect_url": "/dotnet/advanced-topics/interface-implementation/static-virtual-interface-members"
+        },
+        {
+            "source_path_from_root": "/docs/csharp/whats-new/tutorials/static-virtual-interface-members.md",
+            "redirect_url": "/dotnet/advanced-topics/interface-implementation/static-virtual-interface-members"
         },
         {
             "source_path_from_root": "/docs/csharp/whats-new/tutorials/top-level-statements.md",
@@ -5004,9 +5004,13 @@
             "source_path_from_root": "/docs/csharp/whats-new/csharp-10.md",
             "redirect_url": "/dotnet/csharp/whats-new/csharp-version-history#c-version-10"
         },
+        {
+            "source_path_from_root": "/docs/csharp/whats-new/csharp-11.md",
+            "redirect_url": "/dotnet/csharp/whats-new/csharp-version-history#c-version-11"
+        },
         {
             "source_path_from_root": "/docs/csharp/whats-new/index.md",
-            "redirect_url": "/dotnet/csharp/whats-new/csharp-13",
+            "redirect_url": "/dotnet/csharp/whats-new/csharp-14",
             "ms.custom": "updateeachrelease"
         },
         {

docs/core/compatibility/core-libraries/6.0/static-abstract-interface-methods.md

@@ -47,4 +47,4 @@ N/A
 
 ## See also
 
-- [Tutorial: Explore static virtual members in interfaces](../../../../csharp/whats-new/tutorials/static-virtual-interface-members.md)
+- [Tutorial: Explore static virtual members in interfaces](../../../../csharp/advanced-topics/interface-implementation/static-virtual-interface-members.md)

docs/core/whats-new/dotnet-7.md

@@ -129,7 +129,7 @@ For more information, see [What's new in Visual Studio 2022](/visualstudio/ide/w
 
 ### C# 11
 
-C# 11 includes support for [generic math](../../standard/generics/math.md), raw string literals, file-scoped types, and other new features. For more information, see [What's new in C# 11](../../csharp/whats-new/csharp-11.md).
+C# 11 includes support for [generic math](../../standard/generics/math.md), raw string literals, file-scoped types, and other new features. For more information, see [What's new in C# 11](../../csharp/whats-new/csharp-version-history.md#c-version-11).
 
 ### F# 7
 

…als/snippets/staticinterfaces/GetNext.cs …ion/snippets/staticinterfaces/GetNext.csdocs/csharp/whats-new/tutorials/snippets/staticinterfaces/GetNext.cs renamed to docs/csharp/advanced-topics/interface-implementation/snippets/staticinterfaces/GetNext.cs docs/csharp/whats-new/tutorials/snippets/staticinterfaces/GetNext.cs renamed to docs/csharp/advanced-topics/interface-implementation/snippets/staticinterfaces/GetNext.cs

@@ -1,6 +1,4 @@
-// See https://aka.ms/new-console-template for more information
-
-Console.WriteLine(Utilities.MidPoint(12, 24));
+Console.WriteLine(Utilities.MidPoint(12, 24));
 
 // <TestRepeat>
 var str = new RepeatSequence();

…rials/snippets/staticinterfaces/Point.cs …ation/snippets/staticinterfaces/Point.csdocs/csharp/whats-new/tutorials/snippets/staticinterfaces/Point.cs renamed to docs/csharp/advanced-topics/interface-implementation/snippets/staticinterfaces/Point.cs docs/csharp/whats-new/tutorials/snippets/staticinterfaces/Point.cs renamed to docs/csharp/advanced-topics/interface-implementation/snippets/staticinterfaces/Point.cs

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>