{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2025-0188",
 "modified": "2026-11-07T11:55:24.466Z",
 "published": "2026-11-07T11:55:24.466Z",
 "summary": "Qwen3-Embedding-8B: structural change at 263cad8 (2025-06-05)",
 "details": "Qwen3-Embedding-8B: architectures [\"Qwen3Model\"] to [\"Qwen3ForCausalLM\"]; a different class is instantiated from the same id (2025-06-05).\n\nRepository: https://huggingface.co/Qwen/Qwen3-Embedding-8B. Revisions from 263cad8554a3ba959c362416589d6624f9185710 onward carry this change; a pin at d74263f1218b695e9486bec7a65bcf9a2e47fa23 or earlier does not.\n\nChanged keys:\n- architectures: [\"Qwen3Model\"] -> [\"Qwen3ForCausalLM\"] (structural)\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/Qwen/Qwen3-Embedding-8B",
     "events": [
      {
       "introduced": "263cad8554a3ba959c362416589d6624f9185710"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "Qwen/Qwen3-Embedding-8B",
    "previous_revision": "d74263f1218b695e9486bec7a65bcf9a2e47fa23"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/Qwen/Qwen3-Embedding-8B/commit/263cad8554a3ba959c362416589d6624f9185710"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/Qwen/Qwen3-Embedding-8B"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/Qwen/Qwen3-Embedding-8B.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "Qwen/Qwen3-Embedding-8B",
  "kind": "structural",
  "classes": [
   "structural"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "architectures",
    "before": [
     "Qwen3Model"
    ],
    "after": [
     "Qwen3ForCausalLM"
    ],
    "class": "structural"
   }
  ],
  "impact": {
   "memory": false,
   "serving": true,
   "tokenizer": false,
   "licence": null
  },
  "breaking": true,
  "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,
   "derivedSame": true,
   "generationEos": 151643
  },
  "commit_date": "2025-06-05T01:18:03.000Z",
  "detected_at": "2026-11-07T11:55:24.466Z",
  "detected_by": "backfill",
  "days_since_first_commit": 1,
  "license": "CC-BY-4.0"
 }
}