Title: Apache Lucene™ 8.1.0 available category: core/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Lucene 8.1.0.

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 full-text search, especially cross-platform.

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 8.1.0 Release Highlights:

• A query introspection API has been introduced.
• Luke, well-known GUI for inspecting Lucene indexes, now added as a Lucene module
• Merging dimensional points to use radix partitioning, which has also been optimized
• Bugfix: LatLonShapePolygonQuery returns incorrect WITHIN results with shared boundaries
• TieredMergePolicy#findForcedMerges now tries to create the cheapest merges
• Build point writers in the BKD tree only when they are needed
• SynonymQuery can now deboost the document frequency of each term when blending synonym scores
• ConstantScoreQuery can early terminate if minimum score > constant score (total hits are not requested)
• DateRangePrefixTree can now parse more precise dates

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

https://lucene.apache.org/core/8_1_0/changes/Changes.html