Issues

• [collection] Proposal: Add sortedByExpensive (Schwartzian Transform) to IterableExtension

  dart-lang/core#1006 · Filter by author RandalSchwartz opened on Oct 2, 2026

• Consider adding comment_references to the recommended lint set

  lints-proposalpackage:lints
  dart-lang/core#997 · Filter by author szakarias opened on Sep 9, 2026
  1

• [path] \WindowsStyle.absolutePathToUri\ throws FormatException on Windows Extended-Length UNC paths

  type-bug
  dart-lang/core#980 · Filter by author berial opened on Jul 20, 2026
  5

• Add future_sync_value to the lints sets

  package:lints
  dart-lang/core#976 · Filter by author FMorschel opened on Jul 10, 2026
  10

• public_member_api_docs flags non-exported extension methods as public

  package:lints
  dart-lang/core#974 · Filter by author dcharkes opened on Jul 10, 2026

• Invalid lint in recommended set

  package:lintstype-bug
  dart-lang/core#966 · Filter by author bwilkerson opened on Jul 1, 2026

• Proposal: isPositive getter for Int32 / Int64 types

  package:fixnum
  dart-lang/core#963 · Filter by author wil93 opened on Jun 1, 2026
  3

• Proposal: keyed in-flight request coalescing (SingleFlight<K,V>) in package:async

  package:async
  dart-lang/core#962 · Filter by author bthnkucuk opened on May 29, 2026
  1

• Adding lints related to the primary_constructors feature

  package:lints
  dart-lang/core#961 · Filter by author bwilkerson opened on May 20, 2026
  17

• Consider for var_with_no_type_annotatio for inclusion in core lintes

  package:lints
  dart-lang/core#955 · Filter by author natebosch opened on Apr 23, 2026
  2

• collectBytes(source, copy: true) ?

  package:async
  dart-lang/core#952 · Filter by author jonasfj opened on Apr 21, 2026
  1

• LastWhereOrNull is Inefficient on Large Lists

  package:collection
  dart-lang/core#950 · Filter by author PvtPuddles opened on Apr 1, 2026
  7

• Allow flags to occur multiple times, and reveal how many.

  package:args
  Feature

  dart-lang/core#937 · Filter by author lrhn opened on Feb 6, 2026

• [args] Confusion: Parent inherits Child command's non-existent options

  package:args
  dart-lang/core#918 · Filter by author indraneel12 opened on Oct 26, 2025
  2

• Doc wording: use “concurrent” instead of “parallel” in Future.wait extensions

  good first issuepackage:asynctype-documentation
  dart-lang/core#902 · Filter by author HasanAlqaisi opened on Aug 29, 2025
  3

• AsyncCache does not invalidate cache, if invalidate is called from inside fetch

  package:async
  dart-lang/core#896 · Filter by author aanelson opened on May 30, 2025
  2

• Binary search and lower bound functions can be generalized

  contributions-welcomepackage:collection
  dart-lang/core#895 · Filter by author osa1 opened on May 30, 2025
  1

• ANSI styling sequences within the valueHelp parameter of addOption() causes incorrect usage display

  package:args
  dart-lang/core#879 · Filter by author timmaffett opened on Apr 16, 2025
  2

• [args] Allow customising options help angle brackets (or change them to double quotes)

  package:args
  dart-lang/core#848 · Filter by author incendial opened on Jan 8, 2025
  14

• Consider adding unnecessary_statements to the recommended set

  package:lints
  dart-lang/core#844 · Filter by author DanTup opened on Dec 20, 2024

• request support blake3

  package:crypto
  dart-lang/core#733 · Filter by author xiedeacc opened on Dec 16, 2024

• What happened to the 3.0 branch of package:collection?

  package:collection
  dart-lang/core#729 · Filter by author nex3 opened on Dec 2, 2024
  4

• I'd love a "strict" version of flutter_lints

  lints-proposalpackage:lints
  dart-lang/core#835 · Filter by author csells opened on Nov 30, 2024
  4

• Add IterableExtension.sortedByDescending to package:collection

  package:collectiontype-enhancement
  dart-lang/core#725 · Filter by author loic-sharma opened on Nov 24, 2024
  6

• Add Iterable<T>.windows() to apply the sliding window algorithm on Iterables.

  package:collection
  dart-lang/core#724 · Filter by author vxern opened on Nov 23, 2024
  5