On 2024-10-28 there was a binNMU 1]. The changelog says: festival (1:2.5.0-10+b1) sid; urgency=low, binary-only=yes . * Binary-only non-maintainer upload for arm64; no source changes. * Rebuild for PAC/BTI support
[1] https://buildd.debian.org/status/logs.php?pkg=festival&arch=arm64
