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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

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

Status: Open.

#1201 In apache/lucenenet;

· paulirwin opened on Oct 4, 2025

· 

4.8.0-beta00018

Add missing website links

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.

#1186 In apache/lucenenet;

· paulirwin opened on Sep 19, 2025

Self-host all external website dependencies

good-first-issueGood for newcomersGood for newcomers

is:taskA chore to be doneA chore to be done

Status: Open.

#1185 In apache/lucenenet;

· paulirwin opened on Sep 19, 2025

Meet Apache Website requirements

good-first-issueGood for newcomersGood for newcomers

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

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

#1183 In apache/lucenenet;

· paulirwin opened on Sep 15, 2025

Async version of IReplicator (IAsyncReplicator) and ReplicationClient

is:feature

Status: Open.

#1181 In apache/lucenenet;

· paulirwin opened on Sep 9, 2025

· 

4.8.0-beta00018

Change HttpClientBase.ExecutePost to match upstream better and drop Newtonsoft.Json dependency

good-first-issueGood for newcomersGood for newcomers

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

is:enhancementNew feature or requestNew feature or request

is:taskA chore to be doneA chore to be done

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

#1176 In apache/lucenenet;

· NightOwl888 opened on Sep 6, 2025

· 

4.8.0-beta00018

Change <code>IndexInputStream</code> to throw <code>NotSupportedExcpetion</code> for writable members

good-first-issueGood for newcomersGood for newcomers

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

is:enhancementNew feature or requestNew feature or request

is:taskA chore to be doneA chore to be done

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

#1175 In apache/lucenenet;

· NightOwl888 opened on Sep 5, 2025

· 

4.8.0-beta00018

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

Create a port of org.apache.lucene.monitor

is:feature

Status: Open.

Feature

#1155 In apache/lucenenet;

· anhaehne opened on Apr 9, 2025

· 

Future

Eliminate usage of ByteBuffer in SmartCn

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

notes:performance-improvementContains a performance improvementContains a performance improvement

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

#1153 In apache/lucenenet;

· NightOwl888 opened on Mar 28, 2025

· 

4.8.0-beta00018

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

· 

4.8.0-beta00018

Random failing test: TestIrishAnalyzer.TestRandomStrings

is:bug

Status: Open.

Bug

#1150 In apache/lucenenet;

· paulirwin opened on Mar 18, 2025

· 

4.8.0-beta00018