Lucene and Solr 7.7.0

It is a pleasure to inform that the new version of Lucene library and Solr search server has been released. It is the next release from the 7.x branch and it is numbered 7.7.0. This release introduces fixes for the bugs found in the 7.6 version and new features.

Apart from bug fixes in the Lucene library and Solr search server you can find additional features like:

  • JSON faceting supports prelim_sort option which allows to tell Solr how to sort initial buckets during top N choosing,
  • a new node level health check which tells us if the Solr node is alive and connected to Zookeeper available under /admin/info/healthcheck and /node/health,
  • admin panel login page that supports Basic Auth and Kerberos

You can find the full release highlight for Lucene 7.7.0 at and for Solr at

Apache Lucene library 7.7.0 can be downloaded from If you want to download Solr search server 7.7.0 go to

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