{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2025-0193",
 "modified": "2026-11-08T12:11:18.850Z",
 "published": "2026-11-08T12:11:18.850Z",
 "summary": "stsb-roberta-base: tokenizer change at 5f09cf4 (2025-04-08)",
 "details": "stsb-roberta-base: tokenizer_class unset to \"RobertaTokenizer\" (2025-04-08).\n\nRepository: https://huggingface.co/cross-encoder/stsb-roberta-base. Revisions from 5f09cf41f7b055900263a51123deecf3316376f2 onward carry this change; a pin at ed0a934c1d0bba770bd5d6fb9f611ee9c4ae3dfb or earlier does not.\n\nChanged keys:\n- tokenizer tokenizer_class: unset -> RobertaTokenizer (tokenizer)\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/cross-encoder/stsb-roberta-base",
     "events": [
      {
       "introduced": "5f09cf41f7b055900263a51123deecf3316376f2"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "cross-encoder/stsb-roberta-base",
    "previous_revision": "ed0a934c1d0bba770bd5d6fb9f611ee9c4ae3dfb"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/cross-encoder/stsb-roberta-base/commit/5f09cf41f7b055900263a51123deecf3316376f2"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/cross-encoder/stsb-roberta-base"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/cross-encoder/stsb-roberta-base.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "cross-encoder/stsb-roberta-base",
  "kind": "tokenizer",
  "classes": [
   "tokenizer"
  ],
  "changed_keys": [
   {
    "file": "tokenizer",
    "key": "tokenizer_class",
    "before": null,
    "after": "RobertaTokenizer",
    "class": "tokenizer"
   }
  ],
  "impact": {
   "memory": false,
   "serving": true,
   "tokenizer": true,
   "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": "2025-04-08T10:04:32.000Z",
  "detected_at": "2026-11-08T12:11:18.850Z",
  "detected_by": "backfill",
  "days_since_first_commit": 1556,
  "license": "CC-BY-4.0"
 }
}