Release Notes: Custom sharding support, multithreaded faceting, and improved routing.
Release Notes: This release adds 24 bugfixes. The list includes a lot of SolrCloud bugfixes related to Shard Splitting, and fixes in other areas. Please note that the fix for SOLR-4791 is *not* part of this release, even though CHANGES.txt mentions it.
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.