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External extension types

requestRequests to resolve a particular developer problemRequests to resolve a particular developer problem

Status: Open.

#4453 In dart-lang/language;

· ryanheise opened on Jul 6, 2025

Allow typedefs within scopes with generic parameters for brevity

requestRequests to resolve a particular developer problemRequests to resolve a particular developer problem

Status: Open.

#4451 In dart-lang/language;

· kaerumm opened on Jul 5, 2025

Feature Request: Support object shorthand syntax in Dart

featureProposed language feature that solves one or more problemsProposed language feature that solves one or more problems

Status: Open.

#4437 In dart-lang/language;

· bennajah opened on Jul 3, 2025

Feature Request: Allow overriding instance/static members via extension types

featureProposed language feature that solves one or more problemsProposed language feature that solves one or more problems

Status: Open.

#4435 In dart-lang/language;

· stan-at-work opened on Jul 2, 2025

How should primary constructors call the superclass constructor?

primary-constructors

Status: Open.

#4431 In dart-lang/language;

· munificent opened on Jun 30, 2025

simplified parameters: default value means optional

featureProposed language feature that solves one or more problemsProposed language feature that solves one or more problems

Status: Open.

#4430 In dart-lang/language;

· mmcdon20 opened on Jun 28, 2025

Simpler parameters

brevityA feature whose purpose is to enable concise syntax, typically expressible already in a longer formA feature whose purpose is to enable concise syntax, typically expressible already in a longer form

small-featureA small feature which is relatively cheap to implement.A small feature which is relatively cheap to implement.

Status: Open.

Feature

#4426 In dart-lang/language;

· munificent opened on Jun 26, 2025

In <code>try...catch</code>, request to add chained 'on' clauses.

featureProposed language feature that solves one or more problemsProposed language feature that solves one or more problems

Status: Open.

#4433 In dart-lang/language;

· feykro opened on Jun 26, 2025

Satisfied <code>is</code> predicate does not trigger type promotion in <code>do...while</code> loops

Status: Open.

#4421 In dart-lang/language;

· acarstoiu opened on Jun 23, 2025

<code>do...while</code> loops do not promote nullable types to non-nullable

flow-analysisDiscussions about possible future improvements to flow analysisDiscussions about possible future improvements to flow analysis

Status: Open.

#4420 In dart-lang/language;

· acarstoiu opened on Jun 23, 2025

Records are impractical to use as return value/parameter type in packages

requestRequests to resolve a particular developer problemRequests to resolve a particular developer problem

Status: Open.

#4418 In dart-lang/language;

· rrousselGit opened on Jun 21, 2025

Request: Add the Unicode Dot Operator (⋅, U+22C5) to Dart

featureProposed language feature that solves one or more problemsProposed language feature that solves one or more problems

Status: Open.

#4417 In dart-lang/language;

· ChristianKleineidam opened on Jun 20, 2025