Google has shipped Flutter 4.0, the biggest release since the framework went stable. The headline feature is Dart macros — a compile-time code generation system that eliminates boilerplate for JSON parsing, dependency injection, and reactive state. Riverpod and Bloc both ship updated packages on day one.
Other highlights include a redesigned Material 3 widget catalogue, native Swift interop for iOS, and a 40% reduction in release APK size thanks to a new tree-shaker for fonts and assets.
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