Update README.md

README.md

@@ -5,6 +5,10 @@ This repository hosts the [JavaScript Loader Standard](http://whatwg.github.io/l
 We are committed to providing a friendly, safe and welcoming environment for all. Please read and
 respect the [WHATWG Code of Conduct](https://wiki.whatwg.org/wiki/Code_of_Conduct).
 
+# Status
+
+A good chunk of this spec is out of date and is undergoing revision to realign it with Service Worker, the JS Realms API, and the dynamic import() feature.
+
 # Loader
 
 Section 15.2 of the [ES2015 specification](http://www.ecma-international.org/ecma-262/6.0/) describes the syntax for the new `import` and `export` declarations, but does not specify how modules are to be loaded. This repository consolidates work on the ECMAScript module loading semantics with the integration points of Web browsers, as well as Node.js.