Thanks Houston and everyone involved, for the release!
On Fri, 21 Jul 2023, 21:56 Houston Putman, <hous...@apache.org> wrote: > The Solr PMC is pleased to announce the release of Apache Solr 9.3.0. > > Solr is the popular, blazing fast, open source NoSQL search platform from > the Apache Solr project. Its major features include powerful full-text > search, hit highlighting, faceted search, dynamic clustering, database > integration, rich document handling, and geospatial search. Solr is 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 9.3.0 is available for immediate download at: > > <https://solr.apache.org/downloads.html> > > *Solr 9.3.0 Release Highlights:* > > - The Lucene version used by Solr has been upgraded to 9.7. > - Solr releases now have a slim variant, both for the binary release and > the docker image. > - The Slim variant is the same as the normal variant, except that it > does not include Solr modules or the Prometheus exporter. > - Vector Search > - Added support for byte vector encoding in DenseVectorField and > KnnQParser > - High dimensional vectors are now supported in Solr > - Solr can now take advantage of SIMD optimizations for Vector > calculations, when run with Java 20 or 21. > - A new "vectorSimilarity" function query has been added to calculate > similarity scores for DenseVectorFields > - Solr now provides an "Install Shard" API > < > https://solr.apache.org/guide/solr/9_3/deployment-guide/shard-management.html#installsharddata > > > to allow users who have built (per-shard) indices offline to import them > into SolrCloud shards. > - Solr’s experimental "v2" API has seen a number of improvements in the > 9.3 release. > - It is now approaching parity with the functionality offered by > Solr’s v1 API. > - The v2 API as a whole is being redesigned to be more REST-ful and > intuitive > See the Changelog and upgrade notes for information on which v2 APIs > have backward-incompatible changes. > - New APIs for MigrateReplicas and BalanceReplicas. These work > out-of-the-box with the built-in PlacementPlugins. > - The AffinityPlacementPlugin now supports co-location of shards > between collections, using the "withCollectionShards" parameter. > - Join Queries may handle equally sharded collections on both sides. > - Collections shards should be collocated via > AffinityPlacementPlugin.withCollectionShards > - This operation doesn't support SplitShard > - Unknown cores are no longer deleted by default when Solr starts. Use > "solr.deleteUnknownCores=true" to use the previous behavior. > - Warning: Solr cannot be used with Java 20 on MacOS with the Java > Security Manager. > Please use the environment variable SOLR_SECURITY_MANAGER_ENABLED=false > when running with Java 20 on MacOS. > > > Please refer to the Upgrade Notes in the Solr Ref Guide for information on > upgrading from previous Solr versions: > > < > > https://solr.apache.org/guide/solr/9_3/upgrade-notes/solr-upgrade-notes.html > > > > Please read CHANGES.txt for a full list of new features, changes and > bugfixes: > > <https://solr.apache.org/9_3_0/changes/Changes.html> >
