Download Apache Lucene & Solr 8.8.0

The Apache Software Foundation has released new versions of Lucene and Solr with version number 8.8.0. Lucene can be deployed as part of a search engine. Namely, it can perform full text indexing. solr can then be deployed as a search engine using Lucene in the background and running as a Java Servlet within, for example, Tomcat. The announcements for these releases are as follows:

Apache Lucene 8.8.0 available

The Lucene PMC is pleased to announce the release of Apache Lucene 8.8. This release contains numerous bug fixes, optimizations, and improvements, some of which are highlighted below. The release is available for immediate download at:
http://lucene.apache.org/core/mirrors-core-latest-redir.html

Lucene 8.8 Release Highlights:

• LatLonPoint query that accepts an array of LatLonGeometries
• support for spatial relationships
• XYPoint query that accepts an array of XYGeometries
• Doc values ​​now allow configuring how to trade compression for retrieval speed

Further details of changes are available in the change log available at:
http://lucene.apache.org/core/8_8_0/changes/Changes.html

Apache Solr 8.8.0 available

The Lucene PMC is pleased to announce the release of Apache Solr 8.8. The release is available for immediate download at:
https://lucene.apache.org/solr/downloads.html

Please read CHANGES.txt for a detailed list of changes:
https://lucene.apache.org/solr/8_8_0/changes/Changes.html

Solr 8.8.0 Release Highlights

• Reducing overseer bottlenecks using per-replica states. More stability and lesser load on large cluster that use this feature. Better restart and collection creation performance.
• Interleaving support in Learning To Rank

A summary of important changes is published in the Solr Reference Guide at
https://lucene.apache.org/solr/guide/8_8/solr-upgrade-notes.html