After you enable UI16, users with the admin role see a button in the System Settings
window that allows them to switch between UI16 and UI15. You can add a system property to
configure other roles that are allowed to switch UI versions.
You may need to allow users who develop or configure applications to view the changes
in both versions of the user interface. You list the roles in the new system
property, and users with one of the roles see the switch button at the top of the
System Settings window.
Test the new system property by impersonating a user with one of the roles and
verifying that the switch button appears when the user opens the System Settings
Add a new system
property with the following
||Enter a comma-separated list of roles that are allowed to
switch between UI16 and UI15. If you set the value to
Public, all users are able to switch
between the UI versions.