diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index fcfe0f0..0893ea5 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -25,6 +25,8 @@ jobs:
     steps:
       - name: Clone Repository
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v4
diff --git a/api/index.md b/api/index.md
index 0774770..02e8a4c 100644
--- a/api/index.md
+++ b/api/index.md
@@ -7,4 +7,4 @@ Welcome to the **MonoGame** reference documentation!
 
 This area provides detailed information on each class and method in the API.
 
-Please view the [documentation](../articles/) for how to get started and step-by-step guidance.
\ No newline at end of file
+Please view the [documentation](../articles/index.md) for how to get started and step-by-step guidance.
\ No newline at end of file
diff --git a/articles/toc.yml b/articles/toc.yml
index 3fe45af..bbb4e73 100644
--- a/articles/toc.yml
+++ b/articles/toc.yml
@@ -67,4 +67,4 @@
 - name: Help and Support
   href: help_and_support.md
 - name: Contributing to documentation
-  href: contributing
\ No newline at end of file
+  href: contributing.md
\ No newline at end of file
diff --git a/docfx.json b/docfx.json
index d9c7c5b..a96e10b 100644
--- a/docfx.json
+++ b/docfx.json
@@ -19,6 +19,12 @@
       "EnumSortOrder": "alphabetic"
     }
   ],
+  "rules": {
+    "InvalidFileLink": "error",
+    "InvalidBookmark": "error",
+    "UidNotFound": "error",
+    "ReferencedXrefPropertyNotString": "error"
+  },  
   "build": {
     "content": [
       {
@@ -34,7 +40,8 @@
           "foundation/**/*.md",
           "toc.yml",
           "*.md"
-        ]
+        ],
+        "exclude": [ "_site/**", "README.md" ]
       }
     ],
     "resource": [
diff --git a/external/MonoGame b/external/MonoGame
index 40452a4..81ed391 160000
--- a/external/MonoGame
+++ b/external/MonoGame
@@ -1 +1 @@
-Subproject commit 40452a45c261a4a32c63e1c6c35e5f2676c1dfc2
+Subproject commit 81ed391a4d0fd81e3ee4bfe2492ad9a0e7f4cfc5