Earlier quoted context omitted.
The language doesn't necessarily have to be lower level, just less finicky about the environment it's running in. Docker might technically qualify as a fix, but I'd rather that the software be engineered well enough to not need it.
I'm not sure that ensuring BSD support is a requirement of well-engineered software. You're welcome to start your own project vs. complaining about Jellyfin, a free and open project. I just wouldn't confuse their product focus with badly engineered software on account of it using a modern language. Anyway, there is Docker; You could spend the rest of your life shaking your fist, or you could just run it via Docker an…
so stop getting defensive. you could have just said "there is docker" and saved everyone the passive aggression.