I bought an earlier model similar to this one back in 2020 and I can only say wow about this new one.  The older one was OK but got confused a lot and often couldn’t find TS way back to the dock.  This one is so smart!! When it is time to return to the dock to empty mid clean, it stops and immediately heads directly to the dock and as soon as it empties it goes right back to where it left off.  I empty the canister every couple of days and am amazed at how much cat hair it picks up.  I hardly ever have to get my regular vacuum out any more.