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From Nicholas Knize <>
Subject [ANNOUNCE] Apache Lucene 7.6.0 released
Date Fri, 14 Dec 2018 18:10:07 GMT
14 December 2018, Apache Luceneā„¢ 7.6.0 available

The Lucene PMC is pleased to announce the release of Apache Lucene 7.6.0.

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

Lucene 7.6.0 Release Highlights:

Bug Fixes
   * Index sorting corruption due to numeric overflow has been fixed.
Indices affected by this bug can be detected by running the CheckIndex
command on a 7.6+ release distribution.
   * Better tessellation processing of Polygons including graceful
exceptions for detecting invalid shapes.

   * Points codec now supports selective indexing; the ability to designate
dimensions as as "data only" dimensions that do not affect construction of
the index.
   * New Simple WKT Shape Parser builds lucene geometries (polygons, lines,
rectangles) from WKT format.
   * New LatLonShapeLineQuery queries indexed shapes with arbitrary lines.
   * Performance in PerFieldMergeState#FilterFieldInfos has been improved
from O(N) to O(1) lookup time.

Further details of changes are available in the change log available at:

Please report any feedback to the mailing lists (

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.

Nicholas Knize, Ph.D., GISP
Geospatial Software Guy  |  Elasticsearch
Apache Lucene Committer

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