Well, there's still people making still making chiptunes, and there's still interest in developing tracker technology both for chiptunes (i.e. OpenMPT) and for music composition in general (Renoise DAW).

<https://4mat.bandcamp.com/album/modern-closure> came out in 2019 and is one of my favorite albums of all time, but I'm not sure that it fits all of the elements of "keygen music" which are hard to pin down.