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js-yaml 5.2.3

npm/js-yaml/5.2.3source ↗

[5.2.3] - 2026-08-01

Fixed

  • Prevent prototype fallback when resolving tags and mapping entries, #782.
  • Resolve !!timestamp years 0000-0099 correctly, #775.
  • Preserve implicit null mapping values before document markers and reject unpaired mapping event streams, #784.
  • Preserve folded scalar values with tab-indented lines when round-tripping a parsed AST through present(); dump() and loading are unaffected, #780.