Even further, there's also a clean split between the game and the framework they've built for it. So people can actually build their own games or tools using the osu!framework, and some already did so.
Which is neat, because it seems to me like it's really performant and of course, low-latency, based on what I've seen trying the new client.
Without background information that sounds kind of insane. Switching to alternative time tracking software and getting YubiKeys or alternatives instead for 2FA would've saved so much money as well as time every day.