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07 December 2021, Apache Lucene™ 9.0 available

The Lucene PMC is pleased to announce the release of Apache Lucene 9.0.

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

This release contains numerous features, optimizations, and improvements, some of which are highlighted below. The release is available for immediate download at:

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