Lucene & Solr 5.3

Two months passed and again we are pleased to announce that today a new version of Lucene library and Solr search server has been released. It is another release from the 5.x branch and it is numbered 5.3. This release is definitely worth checking, especially for Solr users, because of new features coming to this search server.

Some of the changes included in the Lucene library:

  • New common suggest API mirroring Query API’s
  • IndexWriter can now be initialized from opened NRT or non-NRT reader
  • New CheckJoinIndex class ( package) can check if the index is capable of running join queries
  • Reduced RAM usage for FieldInfos
  • Various optimizations and bug fixes

Some of the changes in the Solr search server:

  • Basic Authorization module has been introduced
  • You are now able to use JSON facets on nested documents
  • SchemaAPI is supported by SolrJ library (more about SchemaAPI)
  • Support for different scoring modes when using query time join
  • Changes incorporated from Lucene 5.3

The full list of changes in Lucene library is available at
. Full list of changes in Solr search server is available at

Apache Lucene library 5.3 can be downloaded from: If you want to download Solr search server 5.3 go to

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