I just got an MX Master 3S and it's a wonderful mouse, but the Logi Options+ software is fucking TERRIBLE. God it's bad. They are definitely pushing this AI prompt builder nonsense, but the mouse itself just stops working for long periods of time and the the Options+ interface says that the mouse is "unavailable", even though it's right there and I can physically see it with my eyes and move it around with my hands. My computer says it's still connected via Bluetooth, but no, this thing that wants me to create a mouse account and use an additional AI prompt builder says the mouse doesn't work. I ran across a 3rd party program that lets me map the additional buttons on the mouse to the functions I like and am able to get by just fine without any Logitech software at all, and the mouse always works now. This mouse feels like they just accidentally made good hardware in spite of themselves.