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changes.mady.by.user Houston Putman

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  • The Lucene version used by Solr has been upgraded to 9.8 – see its release notes.
  • The Jetty version has been updated to 10.0.17 to address CVE-2023-44487

  • Added support for node-level caches

  • Circuit Breakers available for Update Requests

  • A new Circuit breaker for percentage of CPU utilization is added. The former "CPU" circuit breaker is now more correctly named LoadAverageCircuitBreaker as it trips on system load average which is not a percentage.

  • A new Always-On trace id generator and the rid parameter is being deprecated

  • Solr now includes an always-on trace id generator. This will inject trace id headers for every Solr request, propagating the client supplied value or generating a new id as needed and replaces the existing `rid` mechanism.

  • Solr now limits the number of concurrent expensive core operations (such as "backup", "restore", and "split") that are submitted asynchronously by running them in a dedicated thread pool.Expensive core operations run on a dedicated thread pool - Backup, Restore and Split are expensive operations

  • Added support of OAuth 2.0/OIDC 'code with PKCE' flow

  • Multiple bug fixes for TLS and mTLS

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