Oddbean new post about login | logout @96a4042c I think it's the pre-Unified one, but I also reproduced it with a Logitech MX Master 3 which I think uses the Unified receiver.
@a6ff0b2b Based on all the evidence you have gathered, it doesn't seem to be limited to a specific connection type, although some connection types seem to amplify the problem. Now only if this detective work was enough for someone to pick up this radar 🫠