{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2026-0027",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "llama-nemotron-embed-1b-v2: format-only change at b4caa84 (2026-03-30)",
 "details": "llama-nemotron-embed-1b-v2: format-only re-save, RoPE settings rewritten in the transformers v5 rope_parameters form with the same values; nothing it computes, tokenises or generates changed (2026-03-30).\n\nRepository: https://huggingface.co/nvidia/llama-nemotron-embed-1b-v2. Revisions from b4caa8456edd360b3b4e938d94ed4398dd437fad onward carry this change; a pin at 46b6d1019f1857f3a9bbf07b90f7372dc111c8d2 or earlier does not.\n\nChanged keys:\n- rope_scaling: {\"factor\":32,\"high_freq_factor\":4,\"low_freq_factor\":1,\"original_max_position_embeddings\":8192,\"rope_type\":\"llama3\"} -> {\"factor\":32,\"high_freq_factor\":4,\"low_freq_factor\":1,\"original_max_position_embeddings\":8192,\"rope_type\":\"llama3\",\"rope_theta\":500000} (format-only)\n\nThis record says what the change does mechanically. It is not a report that anything broke for anyone.",
 "affected": [
  {
   "ranges": [
    {
     "type": "GIT",
     "repo": "https://huggingface.co/nvidia/llama-nemotron-embed-1b-v2",
     "events": [
      {
       "introduced": "b4caa8456edd360b3b4e938d94ed4398dd437fad"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "nvidia/llama-nemotron-embed-1b-v2",
    "previous_revision": "46b6d1019f1857f3a9bbf07b90f7372dc111c8d2"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/nvidia/llama-nemotron-embed-1b-v2/commit/b4caa8456edd360b3b4e938d94ed4398dd437fad"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/nvidia/llama-nemotron-embed-1b-v2"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/nvidia/llama-nemotron-embed-1b-v2.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "nvidia/llama-nemotron-embed-1b-v2",
  "kind": "format-only",
  "classes": [
   "format-only"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "rope_scaling",
    "before": {
     "factor": 32,
     "high_freq_factor": 4,
     "low_freq_factor": 1,
     "original_max_position_embeddings": 8192,
     "rope_type": "llama3"
    },
    "after": {
     "factor": 32,
     "high_freq_factor": 4,
     "low_freq_factor": 1,
     "original_max_position_embeddings": 8192,
     "rope_type": "llama3",
     "rope_theta": 500000
    },
    "class": "format-only"
   }
  ],
  "impact": {
   "memory": false,
   "serving": true,
   "tokenizer": false,
   "licence": null
  },
  "breaking": false,
  "breaking_rule": "https://www.neurarch.com/changes-feeds/advisories/index.json#breaking_rule",
  "consequence": {
   "params": null,
   "weightsGbBf16": null,
   "trainPeakGb": null,
   "fingerprint": null,
   "context": null,
   "eos": null,
   "bos": null
  },
  "commit_date": "2026-03-30T13:20:41.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 164,
  "license": "CC-BY-4.0"
 }
}