Title: Apache Lucene™ 5.5.4 available category: core/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Lucene 5.5.4

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://www.apache.org/dyn/closer.lua/lucene/java/5.5.4

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

Highlights of this Lucene release include:

• Made stored fields reclaim native memory more aggressively

• Fixed a potential memory leak with LRUQueryCache and (Span)TermQuery

• MmapDirectory's unmapping code is now compatible with Java 9 (EA build 150 and later)