January 2013, Apache Solr™ 4.2.1 available The Lucene PMC is pleased to announce the release of Apache Solr 4.2.1

Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, rich document (e.g., Word, PDF) handling, and geospatial search. Solr is highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world's largest internet sites.

Solr 4.2.1 is available for immediate download at:

Solr 4.2.1 includes 38 bug fixes and 2 optimizations. The list includes a lot of SolrCloud bug fixes around the Collections API as well as many fixes around Directory management. There are many fixes in other areas as well.

See the CHANGES.txt file included with the release for a full list of changes and further details.

Please report any feedback to the mailing lists (http://lucene.apache.org/solr/discussion.html)

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