As hinted above, one of YAML’s other big gotchas is boolean values. There are so many ways to specify booleans in YAML that it is all too easy for an intended string to be interpreted as a boolean.

YAML Boolean type. Yaml supports boolean values of "True" and "False". You can also use "Yes" or "on" which points to "True", ... In python NULL value is interpreted as “None” type and if you try to ...

Python script to merge YAML files together. this script could merge partial yaml files into bigger ones specially to deep merge patial values.yaml helm files (used in helm install --values) into ...

String values that are treated as implicitly boolean by some processors are treated as strings by yq, and pretty-printing therefore removes the quotes, causing the tag to implicitly change. This is ...