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Please read CHANGES.txt for a detailed list of changes:

https://solr.apache.org/docs/9_2_0/changes/Changes.html

Solr 9.2.0 Release Highlights

Bugfixes

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  • Solr has upgraded to use Jetty 10 instead of Jetty 9.
  • Solr now includes an opentracing module, with support for OTEL tracing in OTLP  format using gRPC.
    •  This module is meant to replace the jaegertracer-configurator module, which has been deprecated. 
  • The base operating system of the Solr Docker image has been upgraded to Ubuntu 22 (Jammy).
  • Streaming Expressions have been moved out of Solrj core into its own module called solrj-streaming.

  • SolrJ Solr clients now use the builder/setter pattern to enable easier setup.
  • Solr ConfigSet management has been optimized to improve the startup time of nodes with multiple replicas.
  • SolrJ can again be used with the default Java truststore.
  • The "Films" example has been updated to demonstrate Dense Vector search.