What's your upgrade path from 5.x.2 to 5.x.4 Atmos using in-ceiling speakers (no up-firing) without cutting unnecessary holes in the ceiling? Dolby's layouts do not provide a good path from 5.1.2 to
5.1.2 Overhead Speakers - Dolby
Getting started with Atmos part 1: Speaker layouts | Jigsaw24 Media - Leading UK Systems Integrator