This topic provides full release notes for version 21.11 (November 2021).
Important upgrade note
: LabKey has released updated versions (21.11.3 and 21.7.11) to address vulnerabilities discovered in Log4J, a popular Java logging library that LabKey Server versions 20.11 and later use. To protect your server, you should immediately upgrade to the latest patched release and/or apply the -Dlog4j2.formatMsgNoLookups=true
Premium edition users will find the latest patch release on their support portal now; community users can download the latest version here
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