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js-yaml 5.2.0

[5.2.0] - 2026-06-26

Added

  • Added maxTotalMergeKeys (10000) loader option to limit the total number of keys processed by YAML merge (<<) across one load() / loadAll() call.
  • Added maxAliases (-1) loader option to limit the number of YAML aliases per document.

Removed

  • maxMergeSeqLength replaced with maxTotalMergeKeys for limiting YAML merge processing.

Fixed

  • Round-trip of integers with exponential form (>= 1e21)