Official source: https://solr.apache.org/news.html#apache-solrtm-9101-available
The Solr PMC is pleased to announce the release of Apache Solr 9.10.1.
Solr is the blazing-fast, open source, multi-modal search platform built on Apache Lucene. It powers full-text, vector, analytics, and geospatial search at many of the world's largest organizations. Other major features include Kubernetes and docker integration, streaming, highlighting, faceting, and spellchecking.
Solr 9.10.1 is available for immediate download at:
https://solr.apache.org/downloads.html
Solr 9.10.1 Release Highlights
Solr 9.10.1 contains a number of bugfixes and quality-of-life improvements, including:
- Reversing a performance regression impacting "no rows" Solr queries.
- Fixing an error previously triggered when sorting on spatial field types.
- Preventing a deadlock that caused "hanging" / "orphaning" for distributed request threads when using ParallelHttpShardHandler
Solr 9.10.1 also includes fixes for two recently published security issues, CVE-2026-22444 and CVE-2026-22022. Administrators should either upgrade their deployments to Solr 9.10.1 to include these fixes and/or ensure that adequate remediation is in place as described in the CVE descriptions.
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_10/upgrade-notes/solr-upgrade-notes.html
Please read CHANGELOG.md for a full list of bugfixes: