diff --git a/adev/src/content/ecosystem/service-workers/overview.md b/adev/src/content/ecosystem/service-workers/overview.md
index 3ce87dfbaa9..6e0fe6e0788 100644
--- a/adev/src/content/ecosystem/service-workers/overview.md
+++ b/adev/src/content/ecosystem/service-workers/overview.md
@@ -1,5 +1,7 @@
 # Angular service worker overview
 
+IMPORTANT: The Angular Service Worker is a basic caching utility for simple offline support with a limited featureset. We will not be accepting any new features other than security fixes. For more advanced caching and offline capabilities, we recommend exploring native browser APIs directly.
+
 Service workers augment the traditional web deployment model and empower applications to deliver a user experience with the reliability and performance on par with code that is written to run on your operating system and hardware.
 Adding a service worker to an Angular application is one of the steps for turning an application into a [Progressive Web App](https://web.dev/progressive-web-apps/) (also known as a PWA).
 
diff --git a/packages/service-worker/PACKAGE.md b/packages/service-worker/PACKAGE.md
index 08ff655a730..7467d4c05e7 100644
--- a/packages/service-worker/PACKAGE.md
+++ b/packages/service-worker/PACKAGE.md
@@ -1,3 +1,5 @@
+IMPORTANT: The Angular Service Worker is a basic caching utility for simple offline support with a limited featureset. We will not be accepting any new features other than security fixes. For more advanced caching and offline capabilities, we recommend exploring native browser APIs directly.
+
 Implements a service worker for Angular apps. 
 Adding a service worker to an Angular app is one of the steps for turning it into a Progressive Web App (also known as a PWA).