APPSETTING returns the value assigned to an app setting (e.g. SettingName) on the site.
<%# APPSETTING(SettingName) %>
MACHINENAME returns the name of the user’s machine.
<%# MACHINENAME() %>
SERVERVARIABLE returns the value assigned to a server variable (e.g. VariableName).
<%# SERVERVARIABLE(VariableName) %>
Also, DATAFILTER, DATAROW and GENERATEJSON have now been added to the element tag picker menu.