Top sdk issues

VM crash: DirectoryWatchHandle::Stop() is invoked after handle is released

P1 area-vm library-io os-windows

check for valid paths in pubspec validation

analyzer-hint area-analyzer

Add Timer.pause(), Timer.resume() and Timer.restart()

area-library library-async type-enhancement

Expose debug-id via API, or include in stacktrace

area-vm

[CP][stable channel] Fix StackOverflow when building Flutter applications in release/profile mode

area-vm cherry-pick-review cp-approved merge-to-beta merge-to-stable

Improve performance of allocating a List with a known length with null safety

NNBD area-vm type-performance

NoSuchMethodError from package:build_runner_core/src/package_graph/package_graph.dart 74:15 PackageGraph.forPath

area-vm closed-duplicate

[META] Plan for publishing null-safe core packages

NNBD area-meta

Unstable main chunk breaks browser cache (dart2js deferred imports)

area-web web-dart2js

Deleting files under directory watching on Windows can cause VM crash

P2 area-vm crash library-io os-windows type-bug