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From Ishan Chattopadhyaya <>
Subject [ANNOUNCE] Apache Lucene 6.6.0 released
Date Wed, 07 Jun 2017 02:08:53 GMT
6 June 2017, Apache Luceneā„¢ 6.6.0 available
The Lucene PMC is pleased to announce the release of Apache Lucene 6.6.0.

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 6.6.0 Release Highlights:

New features:
 * A concurrent SortedSet facets implementation

 * spatial-extras HeatmapFacetCounter will now short-circuit it's work when
Bits.MatchNoBits is passed

 * OfflineSorter now passes the total number of items it will write to
 * Move dictionary for Ukrainian analyzer to external dependency
 * SortedSetDocValuesReaderState now implements Accountable so one can see
how much RAM it is using
 * OfflineSorter can now run concurrently if you pass it an optional
 * Sorted set facets now use sparse storage when collecting hits, when

 * PostingsHighlighter has been deprecated in favour of the

Along with numerous bug fixes.

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.

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