Thank you for another release Adrien! On Tue, Mar 22, 2022 at 10:32 AM Adrien Grand <[email protected]> wrote: > > The Lucene PMC is pleased to announce the release of Apache Lucene 9.1.0. > > 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 9.1.0 Release Highlights > > New features > > - Lucene JARs are now proper Java modules, with module descriptors > and dependency information > - Support for filtering in nearest-neighbor vector search > - Support for intervals queries in the standard query syntax > - A new token filter SpanishPluralStemFilter for precise stemming of > Spanish plurals > > Optimizations > > - Up to 30% improvement in index throughput for high-dimensional vectors > - Up to 10% faster nearest neighbor searches on high-dimensional vectors > - Faster execution of "count" searches across different query types > - Faster counting for taxonomy facets > - Several other search speed-ups, including improvements to > PointRangeQuery, MultiRangeQuery, and CoveringRangeQuery > > Other > > - The test framework is now a module, so all classes have been moved > from to org.apache.lucene.tests.* to avoid package name conflicts > - Lucene now faithfully implements the HNSW algorithm for nearest > neighbor search by supporting multiple graph layers > > … plus a number of helpful bug fixes! > > Further details of changes are available in the change log available at: > http://lucene.apache.org/core/9_1_0/changes/Changes.html > and the migration guide available at: > https://lucene.apache.org/core/9_1_0/MIGRATE.html > > Please report any feedback to the mailing lists > (http://lucene.apache.org/core/discussion.html) > > -- > Adrien > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] >
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