Debian stable-backports, unstable に snac 2.96 来てますね
今回は結構速かった

$ rmadison --suite=stable-backports,testing,unstable --architecture=amd64 snac2
snac2      | 2.95-1         | testing          | amd64
snac2      | 2.96-1~bpo13+1 | stable-backports | amd64
snac2      | 2.96-1         | unstable         | amd64

snac2 - Debian Package Tracker https://tracker.debian.org/pkg/snac2