OpenBSD now enforcing no invalid NUL characters in shell scripts

Our favorite operating system is now changing the default shell (ksh) to enforce not allowing invalid NUL characters in input that will be parsed as parts of the script.
↫ Undeadly.org

As someone who doesn’t deal with stuff like this – I rarely actively use shell scripts – it seems kind of insane to me that this wasn’t the norm since the beginning.