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The "ReleaseNote40beta" page has been changed by RobertMuir: http://wiki.apache.org/solr/ReleaseNote40beta?action=diff&rev1=2&rev2=3 Highlights of changes since 4.0-alpha: - * TODO + * Added a Collection management API for Solr Cloud. + + * Updatable documents can create a document if it doesn't already exist, + or you can force that the document must already exist. + + * Full delete-by-query support for Solr Cloud. + + * Default to NRTCachingDirectory for improved near-realtime performance. + + * Improved Solrj client performance with Solr Cloud: updates are + only sent to leaders by default. + + * Various other API changes, optimizations and bug fixes. This is a beta for early adopters. The guarantee for this beta release is that the index format will be the 4.0 index format, supported through the 5.x series of Lucene/Solr, unless there
