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The Dart SDK, including the VM, dart2js, core libraries, and more.

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Private named parameters are being implemented concurrently with declaring parameters and the two features interact. A declaring parameter is allowed to be a private named parameter: ```dart class C({final int...

type-task
area-dart-model
feature-primary-constructors
feature-private-named-parameters

Fix [7048](https://github.com/dart-lang/site-www/issues/7048) - Fixed incorrect use of ??= on non-nullable parameters - Converted affected parameters to nullable where appropriate (int → int?) - Ensured each BAD example triggers exactly one...

Related to https://github.com/dart-lang/sdk/issues/62193 If the watched directory is moved, no indication is given on the event stream; it continues to emit events about the new path, but with wrong paths...

area-vm

When the watched directory is deleted, a `SocketException` might be thrown. I think it would be better just to close it, there isn't really any error and the docs say...

area-vm

"add or remove keys" is already mentioned ,but what about the "value" ?

area-core-library
type-documentation
library-collection

From https://github.com/Dart-Code/Dart-Code/issues/2088#issuecomment-552514074 Consider this snippet: ```dart typedef MyTypedef = T Function(); MyTypedef variable; ``` In this snippet, hovering variable will show a contextual menu where the type of variable is...

P3
devexp-server
type-enhancement
devexp-hover
area-devexp

I created a plugin using the [analysis_server_plugin](https://pub.dev/packages/analysis_server_plugin/changelog) package. After publishing it on pub.dev and trying to use it from an app, I noticed this issue. The notation described in [Analyzer...

devexp-plugin
area-devexp

### Change Intent Disallow an expression with static type `void` as the operand of a null-aware list/set literal element or map literal key/value entry. Front-end and analyzer will report an...

area-language
breaking-change-request

Repro: ```dart class Other {} class Another extends Other {} abstract class A { Other? field; } abstract class B extends A { @override Another? get field; } class C...

P3
type-enhancement
improve-diagnostics
model-messages
area-devexp

https://ci.chromium.org/ui/p/dart/builders/ci.sandbox/fuzz-linux/4916/overview ``` swarming_bot_logs: 2025-12-06 03:38:07.586: run_command(['/b/s/w/ir/out/ReleaseX64/dart', 'runtime/tools/dartfuzz/dartfuzz_test.dart', '--isolates', '8', '--no-show-stats', '--time', '1800', '--shards=50', '--shard=28', '--output-directory=/b/s/w/ioft8bcf7r'], /b/s/w/ir, 3600.0, 30.0, False, Containment) SHARD 28 OF 50 ** **** Dart Fuzz Testing Session...

area-vm
gardening