Not sure if anything has changed since that article is 3 years old, but the general idea of MuSig2 should be the same.
Nice, found a reasonable Blockstream article.
https://medium.com/blockstream/musig2-simple-two-round-schnorr-multisignatures-bf9582e99295
Discussion
Yep, it’s not too far off now, but unsure if it will see much adoption tbh. The need to do two rounds with each signer is a major downside, particularly if they are geographically remote.
What about all the excitement around #Taproot making singlesig and multisig transactions look the same?