Mailing List Archive

[ANNOUNCE] Apache Lucene 9.2.0 released
23 May 2022 - Apache Lucene™ 9.2.0 available

The Lucene PMC is pleased to announce the release of Apache Lucene 9.2.0.

Apache Lucene is a high-performance, full-featured search engine library written entirely in Java. It is a technology suitable for nearly any application that requires structured search, full-text search, faceting, nearest-neighbor search across high-dimensionality vectors, spell correction or query suggestions.

This release contains numerous bug fixes, optimizations, and improvements, some of which are highlighted below. The release is available for immediate download at:
https://lucene.apache.org/core/downloads.html

Lucene 9.2.0 Release Highlights:
• Numerous improvements to indexing and query performance for KNN vectors
• More efficient implementations for count operations on range queries
• A new FieldExistsQuery that chooses the best index structures to run over for you
• A new Persian stemmer

Please read CHANGES.txt for a full list of new features and changes:

https://lucene.apache.org/core/9_2_0/changes/Changes.html

Note: The Apache Software Foundation uses an extensive mirroring network for
distributing releases. It is possible that the mirror you are using may not have
replicated the release yet. If that is the case, please try another mirror.
This also applies to Maven access.
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