It is a pleasure to inform you that the new version of the Solr search server has been released. It is the next release from the 8.x branch and it is numbered 8.6.3. This release introduces fixes for the bugs found in the 8.6.2 version.
Apache Solr 8.6.3 can be downloaded from http://www.apache.org/dyn/closer.cgi/lucene/solr. You can read the list of changes at: https://lucene.apache.org/solr/8_6_3/changes/Changes.html.