The Roborock T8 Plus is now available in China. There is an optional auto-emptying docking station which Roborock claims gives you 60 days of hands-free cleaning. The gadget has 5,100 Pa of suction power and can mop at 3,000 rotations per minute.
https://www.notebookcheck.net/Roborock-T8-Plus-with-auto-emptying-docking-station-launches.618281.0.html