Update README.md

README.md

@@ -6,7 +6,34 @@ This library is a plain JavaScript form renderer and SDK for Form.io. This allow
  - Complete Form Builder which creates the JSON schema used to render the forms.
  - Nested components, layouts, Date/Time, Select, Input Masks, and many more included features
  - Full JavaScript API SDK library on top of Form.io
-
+
+## Important Updates
+
+### Namespace Change
+
+Starting with version 5.x, this library has moved to a new namespace. Please update your npm install command as follows:
+
+`npm install --save @formio/js`
+
+If you are upgrading from version 4.x, please ensure you update your imports and dependencies to use the new namespace @formio/js.
+
+### CDN update
+
+Our cdn endpoints also reflect the changes to the new namespace when retrieving versions >4.x:
+
+Example: 
+- https://cdn.form.io/js/formio.full.min.js
+- https://cdn.form.io/js/5.0.0/formio.full.min.js
+
+### Maintenance Mode for Version 4.x
+
+Version 4.x of this library is now in maintenance mode. This means:
+
+ - No new features will be added to version 4.x.
+ - Only bug fixes and security updates will be provided.
+
+For the latest features and improvements, we strongly recommend upgrading to version 5.x.
+
 ## Examples and Demonstration
 To find out more about this library as well as see a demonstration of what you can do with this library, go to the Examples and Demo site @ [https://formio.github.io/formio.js](https://formio.github.io/formio.js)