Release Notes for Tableau 8.2.20 Note: Tableau Desktop customers in environments with Product Updates enabled will be prompted to upgrade a few days after a maintenance release is made available. For more information, see the Tableau Knowledge Base.
Various changes were applied to improve security. See Security Bulletins for more details.
Apache Tomcat was upgraded to 7.0.75. This upgrade fixes a potential vulnerability in Tomcat: CVE-2016-8745