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> What didn't you like? That the suggested features in this open issue [1] can't be implemented soon enough :) Is there a roadmap available that would give an

• munificent 7y ago
  We don't tend to have detailed roadmaps because it risks setting people up for disappointment when schedules change. But what's roughly happening right now is: - Extension members are basically done and out the door. (See: https://medium.com/dartlang/extension-methods-2d466cd8b308 https://medium.com/dartlang/extension-methods-2d466cd8b308) - Non-nullable types are well underway. All but a few corners of the design are pinned down, much of the static checking is implemented, the core libraries have been mostly migrated, and we're working through the runtime implementation, migration tests, etc. - Next up after that, the current plan (which may change) is control over variance and stuff around pattern matching. We're working on it.