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13 Dec 2021,  Apache Solr™ 8.11.1 available

The Lucene PMC is pleased to announce the release of Apache Solr 8.11.1

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• Updates bundled log4j2 dependencies to address CVE-2021-44228 (SOLR-15843)Upgrade Velocity from v2.0 to v2.3 to address CVE-2020-13936 (SOLR-15844)
• Upgrade jaegertracing to 1.6.0 and libthrift to 0.14.1 to address CVE-2020-13949 (SOLR-15324)

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• Fixes to the new Admin UI Security and Schema Designer screens (SOLR-15825, SOLR-15774 and SOLR-15813)
• Fix regression in 8.11.0 for the Admin UI Files screen and Velocity (SOLR-15804)
• Admin endpoints for Zookeeper now by default protected by zk_read permission (SOLR-15768)
• Better default security.json uploaded by bin/solr tool (SOLR-15828)
• Switching a PRS collection from true -> false -> true resulted in INACTIVE replicas (SOLR-15794)
• Fix REPLACENODE to not use source node when choosing a target node (SOLR-15795)
• Fix NPE in pivot facets, add non-Analyzed query method in FieldType (SOLR-8319)
• Upgrade Velocity from to v2.3 and Velocity Tools to v3.1 (SOLR-15844)
• ..and more

A summary of important changes is published in the Solr Reference Guide at https://lucene.apache.org/solr/guide/8_11_1/solr-upgrade-notes.html. For the most exhaustive list, see the full release notes at https://lucene.apache.org/solr/8_11_1/changes/Changes.html or by viewing the CHANGES.txt file accompanying the distribution.  Solr's release notes usually don't include Lucene layer changes.  Lucene's release notes are at https://lucene.apache.org/core/8_11_1/changes/Changes.html