Migrating to Null-Safe Dart Dart introduced null safety in 2.12. 0, but there are old Dart codes in production. Since the Dart team can’t migrate your code automatically.
When did Dart add null safety?
Migrating to Null-Safe Dart Dart introduced null safety in 2.12. 0, but there are old Dart codes in production. Since the Dart team can’t migrate your code automatically.