Top sdk issues

AngularDart not debuggin in WebStorm Chrome

needs-info

Add a hint if a package uses Future but does not import it from dart:async, and pubspec SDK constraint is too old

P2 area-analyzer type-enhancement

Doc comment for Isolate.spawn is incorrect

area-vm

Error creating super mixin on class with no default 0 arg ctor

P1 area-front-end type-bug

Dart memory leak using Flutter, using 12GB of memory

area-analyzer

Provide documentation on how to use web workers for Dart 2

area-documentation area-web type-documentation type-question

Linter crashes on the new `mixin` syntax

analyzer-linter customer-flutter type-bug

compiler message: Type parameter #lib1::Store::StateBuilder is not indexed

area-vm crash

Infer generics in `is` check for type promotion

area-language core-l type-enhancement

int class has isNegative but not isPositive

area-library library-core type-enhancement