Issues

• Typo in IBSimilarity

  type:documentation
  apache/lucene#16909 · Filter by author ant-tok opened on Oct 26, 2026

• PiPNN style level 0 graph construction

  apache/lucene#16906 · Filter by author Tony-X opened on Oct 25, 2026
  2

• HNSW merges with asymmetric quantization read the query-side records at random during diversity checks

  apache/lucene#16903 · Filter by author goankur opened on Oct 24, 2026

• Quantize BYTE vector fields to 1-bit codes, and rescore with the raw int8 vectors

  apache/lucene#16902 · Filter by author goankur opened on Oct 24, 2026

• openIfChanged returns null after flush() when the only changes are doc-values updates

  type:bug
  apache/lucene#16900 · Filter by author shbhar opened on Oct 23, 2026

• TopFieldCollector returns wrong top hits with document blocks when child documents match

  apache/lucene#16887 · Filter by author salvatorecampagna opened on Oct 21, 2026
  2

• IndexSortSortedNumericDocValuesRangeQuery returns wrong results with document blocks

  apache/lucene#16886 · Filter by author salvatorecampagna opened on Oct 21, 2026 · 10.6.0

• Doc values range queries return wrong results with a skipper and document blocks

  apache/lucene#16885 · Filter by author salvatorecampagna opened on Oct 21, 2026 · 10.6.0

• IndexSortSortedNumericDocValuesRangeQuery#count is wrong for multi-valued fields

  apache/lucene#16884 · Filter by author salvatorecampagna opened on Oct 21, 2026 · 10.6.0

• Removal of unused class CachingExpressionValueSource?

  apache/lucene#16880 · Filter by author spinscale opened on Oct 21, 2026

• PerFieldMergeState.FilterFieldsProducer#terms(String) has O(n²) complexity

  type:bug
  apache/lucene#16874 · Filter by author torstenkuhnhenne opened on Oct 20, 2026

• SegmentCommitInfo.sizeInBytes() can return its -1 cache sentinel during concurrent invalidation

  type:bug
  apache/lucene#16861 · Filter by author nicktindall opened on Oct 19, 2026
  2

• Avoid the separate checkIntegrity read of .vec when merging vectors

  type:enhancement
  apache/lucene#16850 · Filter by author dengfengjiang77 opened on Oct 16, 2026

• Allow merged-segment warming to run asynchronously off the merge thread

  type:enhancement
  apache/lucene#16845 · Filter by author tlrx opened on Oct 15, 2026

• BufferedUpdates comment refers to DocumentWriterPerThread

  type:documentation
  apache/lucene#16828 · Filter by author hidingmyname opened on Oct 12, 2026
  1

• ArrayIntroSorter constructor javadoc says ArrayInPlaceMergeSorter

  type:documentation
  apache/lucene#16827 · Filter by author hidingmyname opened on Oct 12, 2026
  1

• LongsRef.deepCopyOf javadoc says IntsRef

  type:documentation
  apache/lucene#16826 · Filter by author hidingmyname opened on Oct 12, 2026
  1

• AnalyzingInfixSuggester javadoc names nonexistent class SortedSetDVField

  type:documentation
  apache/lucene#16825 · Filter by author hidingmyname opened on Oct 12, 2026
  1

• DocumentDictionary javadoc refers to parameter withPayload (actual name hasPayloads)

  type:enhancement
  apache/lucene#16824 · Filter by author hidingmyname opened on Oct 12, 2026
  1

• charfilter package doc refers to nonexistent addOffCorrectMapping()

  type:documentation
  apache/lucene#16823 · Filter by author hidingmyname opened on Oct 12, 2026

• vectorhighlight package doc builds SubInfo with 3 args (boost missing)

  type:documentation
  apache/lucene#16822 · Filter by author hidingmyname opened on Oct 12, 2026

• highlight package doc example uses removed APIs (IndexSearcher(Directory), IndexSearcher.doc(int))

  type:documentation
  apache/lucene#16821 · Filter by author hidingmyname opened on Oct 12, 2026
  1

• Possible deprecations for Lucene 11

  type:task
  apache/lucene#16820 · Filter by author romseygeek opened on Oct 12, 2026 · 11.0.0

• HNSW Graph Connectivity and Recall Degradation with Skewed Duplicate Vectors

  type:enhancement
  apache/lucene#16817 · Filter by author Pranshu-S opened on Oct 12, 2026
  2

• IndexWriter allows updating index sort fields if the index sort is not set in the config

  type:bug
  apache/lucene#16809 · Filter by author harshvardhanrp opened on Oct 10, 2026