Shift selected Zone(s)/Group(s) Right (Zones incl. Root Key) ⌥⇧→
Changes the root key when moving a zone. Unchanged from the EXS24 in function. Visual interface changes abound.
You can edit zone and group parameters numerically in the Mapping pane zone view and group view. You can also graphically edit a number of zone and group parameters in the Mapping pane keyboard view and the Zone pane.