Yep. YAML especially is just horrifying to use unless you have internalized how lists and dicts work. After 5ish years of working with YAML files, I haven't. T

Yep. YAML especially is just horrifying to use unless you have internalized how lists and dicts work. After 5ish years of working with YAML files, I haven't. TOML is an excellent contemporary choice that is not unpopular. HCL might be another, but unfortunately not very popular outside Hashicorp tools.