When you upgrade from the Tokyo release, understand the fixes in each release version, notable changes for the user interface, browser support, plugin updates, and each feature's upgrade and migration tasks if applicable.

Figure 1. Upgrading from Tokyo to Vancouver
From Tokyo, land safely in Vancouver
Note: The Utah release includes additional out-of-box report_view ACLs that may affect access to reports. Use the ACL Assessment for Reports application to verify that reports continue to function as part of upgrade testing. See KB1226564 for additional details.