Preparing Dart and Flutter ecosystems for the transition to null safety

null safety , Flutter 2.0 ( Flutter Engage), Dart . Dartlang , !





API null safety

Dart, null safety , . (2.12.0–259.9.beta) dart.dev Flutter. null-safe Dart .





null-safe , null-safe Dart.   — null-safe , args, yaml grpc. null-safe (, 1.0.0 1.0.0-nullsafety.123), !





pub.dev , , preview-, Dart SDK . Preview- , Dart SDK.





Stable (1.6.0) and preview (2.0.0) versions of args package on pub.dev
C (1.6.0) preview (2.0.0) args pub.dev

null safety , . Dart SDK pubspec. SDK, (CI). null-safe Dart ! !








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