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The build/test tool ProfileResults that aggregates JFRs and prints the hot stacks doesn't work with new CPUTime profiler in Java 25

type:enhancement

Status: Open.

#15926 In apache/lucene;

· mikemccand opened on Apr 2, 2026

ReaderUtil.partitionByLeaf API design: ordinal tracking for scatter/gather pattern

Status: Open.

#15905 In apache/lucene;

· zihanx opened on Mar 31, 2026

Add support for keeping the graph structure for HNSW in off heap during merges

Status: Open.

#15904 In apache/lucene;

· navneet1v opened on Mar 31, 2026

Are we undercounting RAM used by vectors buffered in an in-memory segment?

type:bug

Status: Open.

#15901 In apache/lucene;

· mikemccand opened on Mar 31, 2026

TruncateTokenFilter may split surrogate pairs

type:bug

Status: Open.

#15899 In apache/lucene;

· msokolov opened on Mar 31, 2026

Add keepDecimalPoint configuration option to KoreanTokenizer Nori

type:enhancement

Status: Open.

#15894 In apache/lucene;

· twosom opened on Mar 31, 2026

Add ability to pass DataAccess hit with Lucene104ScalarQuantizedVectorsReader

Status: Open.

#15890 In apache/lucene;

· navneet1v opened on Mar 30, 2026

Skip scorer construction for zero-cost clause in BooleanScorerSupplier?

type:enhancement

Status: Open.

#15887 In apache/lucene;

· sgup432 opened on Mar 27, 2026

Can we use skipper information to improve writing/merging of doc_values fields?

type:enhancement

Status: Open.

#15884 In apache/lucene;

· romseygeek opened on Mar 26, 2026

TopGroupsCollector#getTopGroups() returns NaN maxScore when no hits for a group value

type:bug

Status: Open.

#15872 In apache/lucene;

· gaobinlong opened on Mar 25, 2026

Short-circuit HNSW search for similarity-based vector queries?

type:enhancement

Status: Open.

#15869 In apache/lucene;

· kaivalnp opened on Mar 24, 2026

TestAddIndexes.testAddIndexesWithRollback - Lock instance already released: org.apache.lucene.store.SingleInstanceLockFactory$SingleInstanceLock@62d80b9e

type:test

Status: Open.

#15863 In apache/lucene;

· luigidellaquila opened on Mar 23, 2026