{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2021-0009",
 "modified": "2026-11-08T12:11:18.850Z",
 "published": "2026-11-08T12:11:18.850Z",
 "summary": "conv-bert-base: structural change at 9001261 (2021-02-02)",
 "details": "conv-bert-base: model_type \"conv_bert\" to \"convbert\"; a different class is instantiated from the same id (2021-02-02).\n\nRepository: https://huggingface.co/YituTech/conv-bert-base. Revisions from 9001261c1cbfc93899a1cab9d2e9c980f65835a4 onward carry this change; a pin at 64c19bcb08466f8547285d8d262ab8a723185309 or earlier does not.\n\nChanged keys:\n- model_type: conv_bert -> convbert (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/YituTech/conv-bert-base",
     "events": [
      {
       "introduced": "9001261c1cbfc93899a1cab9d2e9c980f65835a4"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "YituTech/conv-bert-base",
    "previous_revision": "64c19bcb08466f8547285d8d262ab8a723185309"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/YituTech/conv-bert-base/commit/9001261c1cbfc93899a1cab9d2e9c980f65835a4"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/YituTech/conv-bert-base"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/YituTech/conv-bert-base.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "YituTech/conv-bert-base",
  "kind": "structural",
  "classes": [
   "structural"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "model_type",
    "before": "conv_bert",
    "after": "convbert",
    "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
  },
  "commit_date": "2021-02-02T04:47:36.000Z",
  "detected_at": "2026-11-08T12:11:18.850Z",
  "detected_by": "backfill",
  "days_since_first_commit": 11,
  "license": "CC-BY-4.0"
 }
}