Title: Lucene Core 4.10.0 Available category: core/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Lucene 4.10.0

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: https://lucene.apache.org/core/mirrors-core-latest-redir.html

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

Lucene 4.10.0 Release Highlights:

  • New TermAutomatonQuery using an automaton for proximity queries. http://blog.mikemccandless.com/2014/08/a-new-proximity-query-for-lucene-using.html

  • New OrdsBlockTree terms dictionary supporting ord lookup.

  • Simplified matchVersion handling for Analyzers with new setVersion method, as well as Analyzer constructors not requiring Version.

  • Fixed possible corruption when opening a 3.x index with NRT reader.

  • Fixed edge case in StandardTokenizer that caused extremely slow parsing times with long text which partially matched grammar rules.