Except for many yaml implementations either not supporting 1.2 at all (pyyaml, ruby stdlib) or being a weird mix (goyaml) so as to keep working with older files

Except for many yaml implementations either not supporting 1.2 at all (pyyaml, ruby stdlib) or being a weird mix (goyaml) so as to keep working with older files. So when you’re dealing with objective reality, this is still an issue today.