[ANNOUNCE] Apache Solr 9.1.0 released

[Ishan Chattopadhyaya <ic...@gmail.com>]

The Solr PMC is pleased to announce the release of Apache Solr 9.1.0.

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 9.1.0 is available for immediate download at:

  <https://solr.apache.org/downloads.html>

### Solr 9.1.0 Release Highlights:

 * Dedicated query coordinator nodes in a Solr cluster
 * Improvements to admin UI: managing paramsets in queries, managing field
   types, replica types while collection creation, etc.
 * Support for rolling up core level metrics to be node level metrics

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_1/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_1_0/changes/Changes.html>