Accepts one of:

  • isoDate
  • object — Full lastUpdated form: the date plus a note describing what changed.
  • ISO 8601 date (YYYY-MM-DD) of the most recent update to this entity's documentation. Plain-text note summarizing what changed in the most recent update (e.g., 'Added focus-visible guidance', 'Revised contrast requirements for inverse surfaces'). MUST NOT contain markup.
References: isoDate, plainNote [ "2026-05-28", { "date": "2026-05-28", "note": "Added focus-visible guidance and refreshed contrast requirements for inverse surfaces." } ]

Design System Documentation Spec (DSDS) 0.14.0 — Draft Specification

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