Update README.md

Author: mit-mit

README.md

@@ -1,9 +1,19 @@
 These packages provide utilities for loading and running WASM modules.
 
-## [wasm](https://github.com/dart-lang/wasm/blob/main/wasm/README.md)
+* [wasm](https://github.com/dart-lang/wasm/blob/main/wasm/README.md): Runs WASM modules in Dart native.
+* [flutter_wasm](https://github.com/dart-lang/wasm/blob/main/flutter_wasm/README.md): Runs WASM modules in Flutter.
 
-Runs WASM modules in Dart native.
+## Status: Experimental
 
-## [flutter_wasm](https://github.com/dart-lang/wasm/blob/main/flutter_wasm/README.md)
+**NOTE**: This package is currently experimental and published under the
+[labs.dart.dev](https://dart.dev/dart-team-packages) pub publisher in order to
+solicit feedback. 
 
-Runs WASM modules in Flutter.
+For packages in the labs.dart.dev publisher we generally plan to either graduate
+the package into a supported publisher (dart.dev, tools.dart.dev) after a period
+of feedback and iteration, or discontinue the package. These packages have a
+much higher expected rate of API and breaking changes.
+
+Your feedback is valuable and will help us evolve this package. For general
+feedback, suggestions, and comments, please file an issue in the 
+[bug tracker](https://github.com/dart-lang/wasm/issues).