15 July 2020, Apache Lucene™ 8.6.0 available
The Lucene PMC is pleased to announce the release of Apache Lucene 8.6.0.
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:
http://lucene.apache.org/core/mirrors-core-latest-redir.html
Lucene 8.6.0 Release Highlights:
- API change in:
SimpleFSDirectory, IndexWriterConfig, MergeScheduler, SortFields, SimpleBindings, QueryVisitor, DocValues, CodecUtil. - New:
IndexWriter merge-on-commit feature to selectively merge small segments on commit, subject to a configurable timeout, to improve search performance by reducing the number of small segments for searching.
Grouping by range based on DoubleValueSource and LongValueSource. - Optimizations:
BKD trees and index, DoubleValuesSource/QueryValueSource, UsageTrackingQueryingCachingPolicy, FST, Geometry queries, Points, UniformSplit - Others:
Ukrainian analyzer, checksums verification, resource leaks fixes
Further details of changes are available in the change log available at: http://lucene.apache.org/core/8_6_0/changes/Changes.html
Please report any feedback to the mailing lists (http://lucene.apache.org/core/discussion.html)
Note: The Apache Software Foundation uses an extensive mirroring network for distributing releases. It is possible that the mirror you are using may not have replicated the release yet. If that is the case, please try another mirror. This also applies to Maven access.