How do I upgrade my flutter package?

To upgrade to a new version of the package, for example to use new features in that package, run flutter pub upgrade (Upgrade dependencies in IntelliJ or Android Studio) to retrieve the highest available version of the package that is allowed by the version constraint specified in pubspec. yaml .

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Does flutter use Dart 2?

Dart code can be AOT-compiled into machine code (native instruction sets). Apps built with Flutter, a mobile app SDK built with Dart, are deployed to app stores as AOT-compiled Dart code . Dart 2.6 with dart2native compiler to compile to self-contained, native executables code.

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