Title: Apache Lucene™ 9.2.0 available category: core/news URL: save_as:

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