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Explicit Error Propagation (Zig-Inspired)

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

Status: Open.

#4630 In dart-lang/language;

· sanathusk opened on Jan 31, 2026

Having the ability to create structures in Dart

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

Status: Open.

#4629 In dart-lang/language;

· qardgroupadmin opened on Jan 30, 2026

Make it an error for an extension type primary constructor parameter to have no type annotation?

primary-constructorsFeature for less verbose constructors, otherwise known as declaring constructors.Feature for less verbose constructors, otherwise known as declaring constructors.

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

Status: Open.

#4628 In dart-lang/language;

· eernstg opened on Jan 29, 2026

Ensure augmentations don't allow uninitialized top-level and static variables

augmentationsIssues related to the augmentations proposal.Issues related to the augmentations proposal.

Status: Open.

#4624 In dart-lang/language;

· munificent opened on Jan 29, 2026

Traverse a hash map using a classic for loop

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

Status: Open.

#4627 In dart-lang/language;

· qardgroupadmin opened on Jan 28, 2026

Allow augmentation of getters and setters with a larger set of possible implementations

augmentationsIssues related to the augmentations proposal.Issues related to the augmentations proposal.

questionFurther information is requestedFurther information is requested

Status: Open.

#4623 In dart-lang/language;

· eernstg opened on Jan 28, 2026

Clarify the notion of 'same type' used with augmenting declarations

augmentationsIssues related to the augmentations proposal.Issues related to the augmentations proposal.

questionFurther information is requestedFurther information is requested

Status: Open.

#4621 In dart-lang/language;

· eernstg opened on Jan 26, 2026

Introduce <code>package-file:</code> or <code>package-private:</code> canonical (library) uris

Status: Open.

#4616 In dart-lang/language;

· dcharkes opened on Jan 23, 2026

shared memory multithreading: confusing...typo?

shared-memory-multithreadingIssues related to shared-memory multithreading (https://github.com/dart-lang/language/issues/4379)Issues related to shared-memory multithreading (https://github.com/dart-lang/language/issues/4379)

Status: Open.

#4614 In dart-lang/language;

· kevmoo opened on Jan 22, 2026

Proposal: Value assignment via if expressions (block-bodied branches)

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

Status: Open.

#4613 In dart-lang/language;

· SamuelGadiel opened on Jan 21, 2026

[augmentations] Final top-level variables need not have an initializing expression

augmentationsIssues related to the augmentations proposal.Issues related to the augmentations proposal.

questionFurther information is requestedFurther information is requested

Status: Open.

#4612 In dart-lang/language;

· eernstg opened on Jan 16, 2026

Improving the UX of primary constructors

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

primary-constructorsFeature for less verbose constructors, otherwise known as declaring constructors.Feature for less verbose constructors, otherwise known as declaring constructors.

Status: Open.

#4611 In dart-lang/language;

· bwilkerson opened on Jan 15, 2026