I like to have the maximum amount of real estate available to my RDP sessions. Since upgrading to RoyalTS 7 the title bar and memus take up about an inch of real estate at the top of a 21 inch monitor. This could be reduced by half if you remove some of the gaps in the UI.
the dark and light theme is using rounded corners and not compact mode by default but this can be changed easily in the Appearance settings:
Let me knof if this helps.