https://typst.app/docs/reference/data-loading/yaml/ -- which version of YAML and which library? I love the general format of YAML but hate the little bizarroquirks like on meaning true, or 5:00 being parsed as 300. Here's the nauseating behavior of PyYaml 6.0:
>>> import yaml
>>> yaml.safe_load('''
... a: [yes, no, maybe]
... b: on
... c: 5:00
... d: 7e3
... e: 7.0e3
... f: 7e-3
... g: 7.0e-3
... ''')
{'a': [True, False, 'maybe'], 'b': True, 'c': 300, 'd': '7e3', 'e': '7.0e3', 'f': '7e-3', 'g': 0.007}