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
This release contains numerous bug fixes, optimizations, and
improvements, some of which are highlighted below. The release is
available for immediate download at:
* A query introspection API has been introduced.
* Luke, well-known GUI for inspecting Lucene indexes, now added as a
* 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
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