Refreshed index.md landing page

Author: wadepickett

aspnetcore/index.yml

@@ -11,7 +11,7 @@ metadata:
   ms.topic: hub-page
   author: wadepickett
   ms.author: wpickett
-  ms.date: 02/23/2024
+  ms.date: 07/28/2025
 
 # highlightedContent section (optional)
 # Maximum of 8 items
@@ -23,10 +23,6 @@ highlightedContent:
       itemType: get-started
       url: get-started.md
     # Card
-    - title: "Create your first web UI"
-      itemType: get-started
-      url: tutorials/razor-pages/razor-pages-start.md
-    # Card
     - title: "ASP.NET Core overview"
       itemType: overview
       url: introduction-to-aspnet-core.md
@@ -208,7 +204,7 @@ additionalContent:
       # Card
       - title: API reference for ASP.NET Core
         links:
-          - url: /dotnet/api/?view=aspnetcore-6.0
+          - url: /dotnet/api/?view=aspnetcore-9.0
             text: ".NET API browser"
       # Card
       - title: Servers
@@ -341,6 +337,12 @@ additionalContent:
       # Card
       - title: Migration
         links:
+          - url: migration/80-to-90.md
+            text: "ASP.NET Core 8.0 to 9.0"
+          - url: migration/70-to-80.md
+            text: "ASP.NET Core 7.0 to 8.0"
+          - url: migration/60-to-70.md
+            text: "ASP.NET Core 6.0 to 7.0"
           - url: migration/50-to-60.md
             text: "ASP.NET Core 5.0 to 6.0"
           - url: migration/50-to-60-samples.md