diff --git a/docs/frontend-system/architecture/23-extension-blueprints.md b/docs/frontend-system/architecture/23-extension-blueprints.md
new file mode 100644
index 0000000000..046834c9db
--- /dev/null
+++ b/docs/frontend-system/architecture/23-extension-blueprints.md
@@ -0,0 +1,11 @@
+---
+id: extension-blueprints
+title: Frontend Extension Blueprints
+sidebar_label: Extensions Blueprints
+# prettier-ignore
+description: Frontend extensions
+---
+
+> **NOTE: The new frontend system is in alpha and is only supported by a small number of plugins.**
+
+TODO
diff --git a/microsite/sidebars.json b/microsite/sidebars.json
index be17d76e03..de7f39f0c0 100644
--- a/microsite/sidebars.json
+++ b/microsite/sidebars.json
@@ -454,6 +454,7 @@
           "frontend-system/architecture/app",
           "frontend-system/architecture/plugins",
           "frontend-system/architecture/extensions",
+          "frontend-system/architecture/extension-blueprints",
           "frontend-system/architecture/extension-overrides",
           "frontend-system/architecture/references",
           "frontend-system/architecture/utility-apis",