Update README.md

Author: juicycleff

README.md

@@ -29,6 +29,10 @@ is not compatible with other versions, it just mean it's been tested to work wit
 
 Windows coming soon.
 
+^2022.1.0+5 supports Flutter 3.0.0 and can only work with `PlatformViewSurface` for now. The implications of this is
+you have to pass `useAndroidViewSurface: true` to UnityWidget. You can track this (issue)[https://github.com/flutter/flutter/issues/103630].
+Currently working on supporting AndroidView.
+
 ## Installation
 
 First depend on the library by adding this to your packages `pubspec.yaml`: