diff --git a/.changeset/large-tables-wonder.md b/.changeset/large-tables-wonder.md
index 05ab456543..f54402dbd4 100644
--- a/.changeset/large-tables-wonder.md
+++ b/.changeset/large-tables-wonder.md
@@ -2,4 +2,4 @@
 '@backstage/cli': patch
 ---
 
-Add support for optional `auth` app entry point.
+Add experimental support for optional `auth` app entry point.
diff --git a/packages/cli/src/lib/bundler/bundle.ts b/packages/cli/src/lib/bundler/bundle.ts
index 72931ec3e0..2c3311cb39 100644
--- a/packages/cli/src/lib/bundler/bundle.ts
+++ b/packages/cli/src/lib/bundler/bundle.ts
@@ -66,6 +66,11 @@ export async function buildBundle(options: BuildOptions) {
     dist: 'dist/auth',
   });
   if (authPaths) {
+    console.log(
+      chalk.yellow(
+        `⚠️  WARNING: The app /auth entry point is an experimental feature that may receive immediate breaking changes.`,
+      ),
+    );
     configs.push(
       await createConfig(authPaths, {
         ...commonConfigOptions,
diff --git a/packages/cli/src/lib/bundler/server.ts b/packages/cli/src/lib/bundler/server.ts
index 3954c1ee03..5b3bd22720 100644
--- a/packages/cli/src/lib/bundler/server.ts
+++ b/packages/cli/src/lib/bundler/server.ts
@@ -207,6 +207,13 @@ DEPRECATION WARNING: React Router Beta is deprecated and support for it will be
       entry: 'src/auth',
       dist: 'dist/auth',
     });
+    if (authPaths) {
+      console.log(
+        chalk.yellow(
+          `⚠️  WARNING: The app /auth entry point is an experimental feature that may receive immediate breaking changes.`,
+        ),
+      );
+    }
     const compiler = authPaths
       ? webpack([
           config,