How We Fixed YAML Comment Preservation in Ruby (And Why We Sponsored It)
Summary
Discourse details solving a five-year YAML comment preservation problem by sponsoring psych-pure, a Ruby YAML library, enabling comments to survive programmatic edits. The article covers integration via YamlHelper, testing across 1,736 production YAML files, and emphasizes the value of comments as institutional knowledge in infrastructure configs, plus the sponsorship model and related tooling like yaml-janitor.