yeah, i'm doing it :) and it's essentially like knots except with a new transaction type.
i will make a friendly, visual explainer to go along with it and make a little website to host the information and binary downloads. i have got a paid contract to dispatch right now so that is first priority but i will keep working on it as i can. yes, i think a third option is really wanted. i don't think bip-110 goes far enough. resolving the issue of quantum vulnerable p2tr naked pubkeys is critical. if the ethereums are panicking to discover an economic way to do post quantum, then bitcoin should at least have a compact hash-shielded utxo with modern schnorr signatures.
