Except for fedimint, cashu, miniscript, Core Lightning, LND, eltoo, value for value, LDK, BDK, splicing, PSBTs, statechains, paynyms, coinjoin, payjoin, RGB, blinded paths + trampoline routing, nostr integrations, covenants, simplicity, silent payments, schnorr signatures, stratum V2, and zero-knowledge proofs, bitcoin is boring and there’s no development happening on it.