You can upgrade dart SDK using terminal by typing flutter upgrade . This will upgrade both flutter and dart SDK. Actually flutter upgrade includes the Flutter and Dart SDK and doesn’t install them separately.
Read moreWhat is flutter upgrade?
$ flutter upgrade. This command gets the most recent version of the Flutter SDK that’s available on your current Flutter channel . If you want an even more recent version of the Flutter SDK, switch to a less stable Flutter channel and then run flutter upgrade .
Read moreHow do I upgrade my flutter upgrade?
To upgrade your existing Flutter app to Flutter 2.0, all you have to do is:
Read moreShould I update to flutter 2?
You should need to manually update most of your dependencies because most packages got a “major” release with Flutter 2 so refer to pub. dev on how to update your libraries. You did it! But for having the complete package you should also need to set your dart version to support null safety!
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