{
  "semanticChanges": [
    {
      "kind": "distribution",
      "productId": null,
      "route": null,
      "field": "datasetVersion",
      "reason": "Distribution version changed; no product or route fact changed.",
      "before": "1.4.0",
      "after": "1.9.6",
      "announcedAt": null,
      "effectiveFrom": null,
      "sourceUrls": []
    }
  ],
  "scope": "whole-market-futures-excluding-options",
  "from": {
    "version": "1.4.0",
    "snapshotAsOf": "2026-09-30",
    "count": 91
  },
  "to": {
    "version": "1.9.6",
    "snapshotAsOf": "2026-09-30",
    "count": 91
  },
  "added": [],
  "removed": [],
  "changed": [],
  "sourceChanges": [],
  "note": "A dataset version change is not evidence of a market-access policy change. Compare effective route fields and source records."
}