Yes. You need to add a @MirrorsUsed annotation in your main.dart file. See https://github.com/jbdeboer/angular-dart-js-size/blob/master/main.dart https://gith

Yes. You need to add a @MirrorsUsed annotation in your main.dart file. See https://github.com/jbdeboer/angular-dart-js-size/blob/master/main.dart https://github.com/jbdeboer/angular-dart-js-size/blob/master... for our current best practices. You should get ~173KB gzipped, minified dart2js output.