Issues

• Task: Optimize Equals() and GetHashCode() on dictionary and set collections

  is:enhancementnotes:performance-improvementpri:lowup for grabs
  NightOwl888/J2N#165 · Filter by author NightOwl888 opened on Nov 19, 2025 · Future

• Task: Remove [Serializable] from nested types in collections to match upstream code

  designnotes:breaking-changepri:normal
  NightOwl888/J2N#161 · Filter by author NightOwl888 opened on Nov 11, 2025 · 3.0

• Task: Optimize List<T>.Equals(), GetHashCode() and SubList<T>.Equals(), GetHashCode()

  designis:enhancementnotes:performance-improvementpri:normalup for grabs
  NightOwl888/J2N#152 · Filter by author NightOwl888 opened on Oct 10, 2025 · Future
  1

• Task: Fix conflicts with AsReadOnly() extensions (breaking)

  is:bugpri:highup for grabs
  NightOwl888/J2N#143 · Filter by author NightOwl888 opened on Sep 21, 2025 · 3.0

• Task: Make Capacity and EnsureCapacity() sensible to use on SubList<T>

  designis:enhancementis:ideapri:normalup for grabs
  NightOwl888/J2N#142 · Filter by author NightOwl888 opened on Sep 20, 2025 · 3.0

• Task: Make OrderedDictionary<TKey, TValue> support removing items while iterating

  designis:enhancementpri:normal
  NightOwl888/J2N#139 · Filter by author NightOwl888 opened on Jul 9, 2025 · Future

• Switch to license expression

  NightOwl888/J2N#136 · Filter by author thompson-tomo opened on May 29, 2025

• Task: Upgrade codebase to use BufferHelper instead of conditionally compiling with System.Buffer

  is:enhancementpri:highup for grabs
  NightOwl888/J2N#131 · Filter by author NightOwl888 opened on Jan 2, 2025 · 2.2
  4

  

• Task: Remove ISpanFormattable because it will cause collisions on .NET Standard

  is:bugnotes:breaking-changepri:high
  NightOwl888/J2N#130 · Filter by author NightOwl888 opened on Jan 2, 2025 · 3.0
  2

  

• Task: Apply Dictionary<TKey, TValue>, SortedDictionary<TKey, TValue> and SortedSet<T> Breaking API Changes

  designis:enhancementpri:high
  NightOwl888/J2N#114 · Filter by author NightOwl888 opened on Oct 20, 2024 · 3.0
  1

• Task: Remove System.Collections.Generic.ReadOnlyCollection<T> as a base class of ReadOnlyList<T>

  is:enhancementpri:normalup for grabs
  NightOwl888/J2N#111 · Filter by author NightOwl888 opened on Sep 17, 2024 · 3.0

• Task: Investigate using AzurePipelines.TestLogger for direct test logging via API

  is:enhancementpri:lowup for grabs
  NightOwl888/J2N#83 · Filter by author NightOwl888 opened on Dec 31, 2023 · Future
  1

• Task: J2N.Text: Mark CharArrayCharSequence, StringBuilderCharSequence, and StringCharSequence classes sealed

  designnotes:breaking-changepri:normal
  NightOwl888/J2N#80 · Filter by author NightOwl888 opened on Dec 30, 2023 · 3.0

• Task: J2N.Character.CodePointAt(char[], int, int): Convert limit parameter to length (a .NET convention)

  designis:enhancementpri:normal
  NightOwl888/J2N#64 · Filter by author NightOwl888 opened on Dec 26, 2023 · Future

• Bug: Inconsistent behavior of Indexof() and LastIndexOf()

  is:bugpri:low
  NightOwl888/J2N#62 · Filter by author NightOwl888 opened on Dec 24, 2023 · 3.0
  1

• Structural Equality: Support additional collection types that are identifiable as List, Set, or Dictionary

  designis:enhancementpri:normalup for grabs
  NightOwl888/J2N#43 · Filter by author NightOwl888 opened on Nov 2, 2021

• Structural Equality: Treat ImmutableArray<T> the same as Array

  is:bugis:enhancementis:featurepri:normalup for grabs
  NightOwl888/J2N#42 · Filter by author NightOwl888 opened on Nov 2, 2021

• Add IsVisualBasicIdentifier() and IsVisualBasicIdentifierPart() methods to Character class

  good first issueis:featurepri:lowup for grabs
  NightOwl888/J2N#2 · Filter by author NightOwl888 opened on Dec 31, 2019 · Future

• Add IsCSharpIdentifier() and IsCSharpIdentifierPart() methods to Character class

  good first issueis:featurepri:lowup for grabs
  NightOwl888/J2N#1 · Filter by author NightOwl888 opened on Dec 31, 2019 · Future