Hi,
the new libyang 4.2.2 fails to build on mostly 32bit architectures but also on others where it build before:
4.2.2: https://buildd.debian.org/status/package.php?p=libyang&suite=experimental
3.13.6: https://buildd.debian.org/status/package.php?p=libyang&suite=sid
Regards,
Daniel