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Skip heavy TreeSet opts for the first group in FirstPassGroupingCollector

module:grouping

Stale

Status: Open (in progress).

apache/lucenenumber 15128

#15128 In apache/lucene;

· gaobinlong opened on Aug 27, 2025

Update code comment after bumping block size to 256.

module:core/codecs

skip-changelogApply to PRs that don't need a changelog entry, stopping the automated changelog check.Apply to PRs that don't need a changelog entry, stopping the automated changelog check.

Stale

Status: Open (in progress).

apache/lucenenumber 15177

#15177 In apache/lucene;

· jpountz opened on Sep 11, 2025

Improve docs for some internal classes related to https://github.com/apache/lucene/issues/15225

module:core/other

Stale

Status: Open (in progress).

apache/lucenenumber 15356

#15356 In apache/lucene;

· mpbarano opened on Oct 23, 2025

Optimize prefix sum computation in Lucene99HnswVectorsReader; fixes #15024

module:core/codecs

Status: Open (in progress).

apache/lucenenumber 15027

#15027 In apache/lucene;

· yossev opened on Aug 1, 2025

Speed up NumericUtils#{subtract,add}

module:core/other

Status: Open (in progress).

apache/lucenenumber 15303

#15303 In apache/lucene;

· kaivalnp opened on Oct 8, 2025