I don't know which ones do for certain. I'd guess Snort and Iris since nostr:nprofile1qqsx8lnrrrw9skpulctgzruxm5y7rzlaw64tcf9qpqww9pt0xvzsfmgpr9mhxue69uhhyetvv9ujuumwdae8gtnnda3kjctv9uq35amnwvaz7tms09exzmtfvshxv6tpw34xze3wvdhk6tcpg3mhxw309aekk7n6dcmxx6tdvej8vdt9xfcxs6nrx3uhydtkxa5kkcncw3hr2e3hv34hwm34vvmhvdphw3j827nvvfhhxutdw9jzummwd9hkutcm77dqn updated the spec? He'll need to confirm. Zap.stream does too? Amethyst now has support for it.