Analytics anyone can use.
Data prep anyone can use.
Analytics for organizations.
Cloud analytics for organizations.
Tableau Server 2018.2 comes with a new web-based server configuration utility called Tableau Services Manager (TSM). Upgrading to this version requires special steps. Please see this article for instructions on what has changed to ensure your upgrade goes smoothly.
Tableau 8.3 introduces Kerberos SSO support between Tableau Desktop, browser, iOS clients and Tableau Server. Kerberos delegation is also supported for MS SQL and MSAS data sources.