The Roborock Saros 20 () is serious about edge-to-edge cleaning, almost aggressively so, making it one of the most comprehensive robot vacuums I’ve ever tested. It mops, it vacuums, and it uses AI smarts to navigate — it’s a premium floor-cleaning machine. But can it scale the heights to be the best robot vacuum cleaner around? Let’s find out.Slimline, smart cleaning