Are we lacking behind in YAML spec versions?

[mikkoi]

The new API description language RAML uses YAML 1.2 as file format. But it seems that neither YAML, YAML::Tiny, YAML::XS nor YAML::Syck support YAML 1.2 spec, only 1.1. And 1.1 came out already in 2009. Situation can't be this?

[marto]

http://raml.org/projects/projects lists https://github.com/spq-easy/raml under Perl. The YAML 1.2 spec states:

"The primary objective of this revision is to bring YAML into compliance with JSON as an official subset. YAML 1.2 is compatible with 1.1 for most practical applications."

You'd have to check the fine points of the documentation to find out if the differences have a substantial impact.

[mikkoi]

I submitted a bug report (https://github.com/ingydotnet/yaml-pm/issues/167) to YAML's Gitlab repo.
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The Perl project mentioned on RAML's website (https://github.com/spq-easy/RAML) uses YAML::Syck which uses libsyck which is compatible with YAML 1.1.