All releases of Apache Solr
Release Notes: A bugfix release for 3.6.0.
Release Notes: This release improves auto-suggest, adds Japanese analysis, and improves clustering.
Release Notes: This release adds grouping/field collapsing. It has improved autocomplete/suggest capabilities. It has switched to a more efficient default merge policy. Improved stemming capabilities for English.
Release Notes: JSON update improvements were made. Search result clustering and UIMA integration were improved. Bugs were fixed.
Release Notes: This is the first release since the Lucene/Solr merge and hence Solr's version number was bumped up to match Lucene (Solr 3.1 contains Lucene 3.1). Highlights include Numeric range facets, Spatial search, Velocity driven search UI at http://localhost:8983/solr/browse, a new termvector-based highlighter, an extended dismax (edismax) query parser, a new Auto Suggest component, the ability to sort by functions, JSON document indexing, CSV response format, and Apache UIMA integration for metadata extraction.
Release Notes: This bugfix release for Solr 1.4 includes many Solr bugfixes, as well as Lucene bugfixes from Lucene 2.9.3.
Release Notes: Major performance enhancements in indexing, searching, and faceting. Revamped all-Java index replication that's simple to configure and can replicate config files. Greatly improved database integration via the DataImportHandler. Rich document processing (Word, PDF, and HTML) via Apache Tika. Dynamic search results clustering via Carrot2. Multi-select faceting (support for multiple items in a single category to be selected). Many powerful query enhancements, including ranges over arbitrary functions and nested queries of different syntaxes.
Release Notes: Distributed search capabilities were added. Numerous Lucene and other performance improvements were made. Multiple indexes in a single deployment are supported. The SolrJ Java client and a binary response protocol were added for faster client-server communication. Search components can be chained together to offer flexible query processing. Components include existing functionality like faceting and add features such as "More Like This", editorial boosting (query elevation), and spell checking. DataImportHandler was added for easily indexing database content into Solr.
Release Notes: This is the first release since graduating from the Apache Incubator. Some of the new features include CSV/delimited-text data loading, time based autocommit, faster faceting, negative filters, a spell-check handler, sounds-like word filters, regex text filters, and more flexible plugins.
Release Notes: This is the first release since entering the Apache Incubator, and includes many new features and performance optimizations including highlighting, faceted search, XSLT response transforms, a multi-field request handler, and JSON/Python/Ruby response formats.
