List view

Add cancellation support to IndexSearcher

design

is:feature

pri:normal

Status: Open.

Feature

#922 In apache/lucenenet;

· paulirwin opened on Feb 25, 2024

Create Roslyn code analyzer to streamline review of proper usage of format/parse methods for numeric types

analyzers

approved-rule

is:feature

is:taskA chore to be doneA chore to be done

pri:normal

Status: Open.

Task

#924 In apache/lucenenet;

· NightOwl888 opened on Mar 10, 2024

Tool to compare public API surface with Lucene

is:taskA chore to be doneA chore to be done

pri:normal

Status: Open.

Feature

#1022 In apache/lucenenet;

· paulirwin opened on Nov 15, 2024

Convert Java Iterator classes to implement IEnumerable<T>

is:enhancementNew feature or requestNew feature or request

pri:normal

Status: Open.

Feature

#279 In apache/lucenenet;

· clambertus opened on Jan 24, 2012

Failing random test seed/culture: en-IE with seed 0x9a2b7430d6d33f0d

is:bug

pri:normal

test-failure

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Bug

#998 In apache/lucenenet;

· paulirwin opened on Oct 25, 2024

Need tests to ensure 2-way index/codec compatibility with Lucene

pri:normal

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Task

#270 In apache/lucenenet;

· clambertus opened on Aug 12, 2019

Complete ICU4N to production release

awaits:dependency

is:dependency

pri:high

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Task

#263 In apache/lucenenet;

· clambertus opened on Oct 10, 2019

Remove unnecessary casting from Clone() methods

design

performance

pri:normal

Status: Open.

Task

#430 In apache/lucenenet;

· NightOwl888 opened on Feb 21, 2021

Review J2N read-only collections performance

awaits:discussion

is:taskA chore to be doneA chore to be done

pri:normal

Status: Open.

Task

#984 In apache/lucenenet;

· paulirwin opened on Oct 22, 2024

Change <code>StringBuilder.Remove</code> to J2N appropiate methods

is:enhancementNew feature or requestNew feature or request

pri:normal

Status: Open.

Task

#664 In apache/lucenenet;

· nikcio opened on Oct 15, 2022

Refactor Lucene.Net.Grouping to eliminate usage of LINQ, covariant interfaces, and non-generic collection interfaces

design

is:taskA chore to be doneA chore to be done

pri:high

Status: Open.

Feature

#1059 In apache/lucenenet;

· NightOwl888 opened on Dec 5, 2024

TestRandomChains fails randomly

is:bug

pri:normal

test-failure

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Bug

#1072 In apache/lucenenet;

· paulirwin opened on Dec 21, 2024

BenchmarkDotNet Performance Benchmarks

benchmarks

help-wantedExtra attention is neededExtra attention is needed

is:enhancementNew feature or requestNew feature or request

is:taskA chore to be doneA chore to be done

pri:normal

Status: Open.

Feature

#1085 In apache/lucenenet;

· paulirwin opened on Jan 2, 2025

Prevent users from overriding test framework setup/teardown functionality

awaits:discussion

design

is:enhancementNew feature or requestNew feature or request

is:taskA chore to be doneA chore to be done

pri:normal

testability

Status: Open.

Task

#1087 In apache/lucenenet;

· NightOwl888 opened on Jan 3, 2025

Random test failure: TestNeverDelete.TestIndexing

is:bug

pri:normal

test-failure

Status: Open.

Bug

#1090 In apache/lucenenet;

· paulirwin opened on Jan 6, 2025

TestRandomChains/TestAllAnalyzersHaveFactories are missing types in the test setup

is:bug

is:taskA chore to be doneA chore to be done

pri:normal

testability

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Bug

#1126 In apache/lucenenet;

· NightOwl888 opened on Jan 28, 2025

Analyzers for proper TokenStream inheritance usage

analyzers

approved-rule

is:feature

pri:normal

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Feature

#1146 In apache/lucenenet;

· paulirwin opened on Mar 17, 2025

Random failing test: TestIrishAnalyzer.TestRandomStrings

is:bug

Status: Open.

Bug

#1150 In apache/lucenenet;

· paulirwin opened on Mar 18, 2025

Search crash

help-wantedExtra attention is neededExtra attention is needed

is:bug

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Bug

#1013 In apache/lucenenet;

· Kiliggggg opened on Nov 9, 2024

Search performance issue with MMapDirectory under load

is:bug

performance

pri:critical

Status: Open.

Bug

#1151 In apache/lucenenet;

· paulirwin opened on Mar 23, 2025

Async version of IReplicator (IAsyncReplicator) and ReplicationClient

is:feature

Status: Open.

#1181 In apache/lucenenet;

· paulirwin opened on Sep 9, 2025

Use concrete collection types for private fields and variables

good-first-issueGood for newcomersGood for newcomers

hacktoberfestThis is a good issue for HacktoberfestThis is a good issue for Hacktoberfest

is:taskA chore to be doneA chore to be done

Status: Open.

Task

#1201 In apache/lucenenet;

· paulirwin opened on Oct 4, 2025

Expressions build occasionally fails due to Antlr4BuildTasks jar download

awaits:dependency

is:bug

Project Infrastructure

Status: Open.

Bug

#1228 In apache/lucenenet;

· paulirwin opened on Dec 5, 2025

Task: Review generic dictionary value retrieval to ensure that <code>TryGetValue()</code> is used instead of <code>dic[key]</code>

good-first-issueGood for newcomersGood for newcomers

hacktoberfestThis is a good issue for HacktoberfestThis is a good issue for Hacktoberfest

is:taskA chore to be doneA chore to be done

up-for-grabsThis issue is open to be worked on by anyoneThis issue is open to be worked on by anyone

Status: Open.

Task

#1168 In apache/lucenenet;

· NightOwl888 opened on Aug 26, 2025

NullReferenceException in DefaultCodecFactory.Initialize

is:bug

Status: Open.

Bug

#1223 In apache/lucenenet;

· nasirodin opened on Nov 25, 2025