ResearchBitcoin Dev Archive BIPs
BIP 328: Derivation Scheme for MuSig2 Aggregate Keys
Applications, Informational, Complete. By Ava Chow. Never named in a subject line or discussed by number on the list.
In Bitcoin Core
First shipped in Bitcoin Core 30.0 .
MuSig2 derivation via musig() descriptors is supported as of v30.0 (PR 31244)
From Bitcoin Core's doc/bips.md.
The threads, in order
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