Sparrow only has Taproot single sig, and it is based on Xpub, which is a hodgepodge duct tape method combining pre-taproot and taproot.
Electrum zero Taproot. When asked "wen Taproot" response is "it will be ready when it is ready".
Muun has multisig taproot but the company holds a key.
Any good wallets that support Taproot multisig for cold storage?