Indeed.
I have tested both nixpkgs recently, and sequoia-sq works great without issues.
sequoia-chameleon-gnupg also works great but only for gpgv-sq, since gpg-sq depends on gpg-agent (from GnuPG) and gpgconf (also from GnuPG) which aren’t stated as hard nor optional dependencies : `sequoia-chameleon-gnupg`: missing dependencies for `gpg-sq` · Issue #473387 · NixOS/nixpkgs · GitHub
Also something very annoying is that git’s gpg.format config option has openpgp as a choice but requires the very GnuPG command interface (in which case git requires sequoia-chameleon-gnupg)