dotnet
diff --git a/‎src/Components/Endpoints/src/RazorComponentEndpointHost.cs
Lines changed: 0 additions & 11 deletions b/‎src/Components/Endpoints/src/RazorComponentEndpointHost.cs
Lines changed: 0 additions & 11 deletions
diff --git a/‎src/Components/Web.JS/dist/Release/blazor.server.js
Lines changed: 1 addition & 1 deletion b/‎src/Components/Web.JS/dist/Release/blazor.server.js
Lines changed: 1 addition & 1 deletion
diff --git a/‎src/Components/Web.JS/dist/Release/blazor.web.js
Lines changed: 1 addition & 1 deletion b/‎src/Components/Web.JS/dist/Release/blazor.web.js
Lines changed: 1 addition & 1 deletion
diff --git a/‎src/Components/Web.JS/src/Services/ComponentDescriptorDiscovery.ts
Lines changed: 7 additions & 0 deletions b/‎src/Components/Web.JS/src/Services/ComponentDescriptorDiscovery.ts
Lines changed: 7 additions & 0 deletions
@@ -19,7 +19,6 @@ internal class RazorComponentEndpointHost : IComponent
 {
     private RenderHandle _renderHandle;
 
-    [Parameter] public IComponentRenderMode? RenderMode { get; set; }
     [Parameter] public Type ComponentType { get; set; } = default!;
     [Parameter] public IReadOnlyDictionary<string, object?>? ComponentParameters { get; set; }
 
@@ -45,16 +44,6 @@ private void BuildRenderTree(RenderTreeBuilder builder)
 
     private void RenderPageWithParameters(RenderTreeBuilder builder)
     {
-        // TODO: Once we support rendering Server/WebAssembly components into the page, implementation will
-        // go here. We need to switch into the rendermode given by RazorComponentResult.RenderMode for this
-        // child component. That will cause the developer-supplied parameters to be serialized into a marker
-        // but not attempt to serialize the RenderFragment that causes this to be hosted in its layout.
-        if (RenderMode is not null)
-        {
-            // Tracked by #46353 and #46354
-            throw new NotSupportedException($"Currently, Razor Component endpoints don't support setting a render mode.");
-        }
-
         builder.OpenComponent(0, ComponentType);
 
         if (ComponentParameters is not null)
 
@@ -140,6 +140,7 @@ function getComponentComment(commentNodeIterator: ComponentCommentIterator, type
     const json = definition && definition.groups && definition.groups['descriptor'];
 
     if (json) {
+      assertNotDirectlyOnDocument(candidateStart);
       try {
         const componentComment = parseCommentPayload(json);
         switch (type) {
@@ -167,6 +168,12 @@ function parseCommentPayload(json: string): ComponentComment {
   return payload;
 }
 
+function assertNotDirectlyOnDocument(marker: Node) {
+  if (marker.parentNode instanceof Document) {
+    throw new Error('Root components cannot be marked as interactive. The <html> element must be rendered statically so that scripts are not evaluated multiple times.');
+  }
+}
+
 function createServerComponentComment(payload: ServerComponentComment, start: Node, iterator: ComponentCommentIterator): ServerComponentComment | undefined {
   const { type, descriptor, sequence, prerenderId } = payload;