Take a look:
https://www.youtube.com/watch?v=hmVBJJjUp6c

This looks pretty promising to me. Sure, the sound quality isn't as good as I'd like it to be, but this is definitely a move in a good direction. Here's hoping that labels will feel stimulated to sell more multis now that separation is becoming easier and easier. With all the other tools that are being developed (especially with AI), I hope we'll be able to achieve some very useful stem separation in a couple of years from now. Fingers crossed!