Lucene and Solr 8.3.0

It is a pleasure to inform that the new version of the Lucene library and Solr search server has been released. It is the next release from the 8.x branch and it is numbered 8.3.0. This release introduces fixes for the bugs found in the previous versions along with new features.

You can find the full release highlight for Lucene 8.3.0 at and for Solr at

Some of the changes that are introduced to Solr include:

  • New Caffeine cache (SOLR-8241)
  • Ability to query aliases in Solr Admin UI
  • Two dimensional routed aliases for category routed aliases (we discussed category routed aliases recently)
  • Ability to dynamically resize caches without re-initialization
  • Support for maxIdleTime parameter in Solr caches allowing automatic pruning after defined idle time.

Apache Lucene library 8.3.0 can be downloaded from If you want to download Solr search server 8.3.0 go to

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