Title: Apache Solr™ 7.4.0 available category: solr/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Solr 7.4.0

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.

Solr 7.4.0 is available for immediate download at:

https://lucene.apache.org/solr/downloads.html

Please read CHANGES.txt for a full list of new features and changes:

https://lucene.apache.org/solr/7_4_0/changes/Changes.html

Solr 7.4.0 Release Highlights:

  • A new ‘relatedness()’ aggregate function for JSON Faceting to enable building Semantic Knowledge Graphs.
  • Added the TaggerRequestHandler (AKA SolrTextTagger) for tagging text. It's used as a component of NER/ERD systems including query-understanding.
  • The “Auto Scaling” feature area has been added to and enhanced a lot.
  • The “Streaming Expressions” feature area has been added to and enhanced a lot.
  • Upgraded from Log4j 1.x to 2.x. Solr continues to log via SLF4J.