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From Shalin Shekhar Mangar <>
Subject [ANNOUNCE] Apache Lucene 5.2.1 released
Date Mon, 15 Jun 2015 13:24:29 GMT
15 June 2015, Apache Luceneā„¢ 5.2.1 available

The Lucene PMC is pleased to announce the release of Apache Lucene 5.2.1

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 various bug fixes and optimizations since the
5.2.0 release. The release is available for immediate download at:

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

Lucene 5.2.1 includes 3 bug fixes:

* Fix class loading deadlock relating to Codec initialization, default
codec and SPI discovery.

* NRT readers now reflect a new commit even if there is no change to
the commit user data

* Queries now get a dummy Similarity when scores are not needed in
order to not load unnecessary information like norms

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 goes for Maven access.

Happy searching!
Shalin Shekhar Mangar on behalf of the Lucene PMC.

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