5 April 2019, Apache Solr™ 6.6.6 available The Lucene PMC is pleased to announce the release of Apache Solr 6.6.6. 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 and analytics, rich document parsing, geospatial search, extensive REST APIs as well as parallel SQL. Solr is enterprise grade, secure and 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. This release contains the following important bug fixes: * Fix memory leak (upon collection reload or ZooKeeper session expiry) in ZkIndexSchemaReader. * Fix for Rule-based Authorization skipping authorization if querying node host the collection * (CVE-2017-3164) Make it possible to configure a host whitelist for distributed search The release is available for immediate download at: https://www-us.apache.org/dist/lucene/solr/6.6.6/ Please read CHANGES.txt for a detailed list of changes: https://lucene.apache.org/solr/6_6_6/changes/Changes.html Please report any feedback to the mailing lists (http://lucene.apache.org/solr/discussion.html) 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.