{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2025-0129",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "DeepSeek-R1-0528-Qwen3-8B: structural change at 6e8885a (2025-05-29)",
 "details": "DeepSeek-R1-0528-Qwen3-8B: rope_scaling rewritten in a different format ({\"factor\":4,\"original_max_position_embeddings\":32768,\"rop... to {\"attn_factor\":0.8782488562869419,\"factor\":4,\"original_ma...); a loader that only reads the old format rejects or ignores the new one (2025-05-29).\n\nRepository: https://huggingface.co/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B. Revisions from 6e8885a6ff5c1dc5201574c8fd700323f23c25fa onward carry this change; a pin at 767459076260d2a2f07718f494cbc63034913e80 or earlier does not.\n\nChanged keys:\n- rope_scaling: {\"rope_type\":\"yarn\",\"factor\":4,\"original_max_position_embeddings\":32768} -> {\"rope_type\":\"yarn\",\"factor\":4,\"original_max_position_embeddings\":32768,\"attn_factor\":0.8782488562869419} (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/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B",
     "events": [
      {
       "introduced": "6e8885a6ff5c1dc5201574c8fd700323f23c25fa"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "deepseek-ai/DeepSeek-R1-0528-Qwen3-8B",
    "previous_revision": "767459076260d2a2f07718f494cbc63034913e80"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B/commit/6e8885a6ff5c1dc5201574c8fd700323f23c25fa"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "deepseek-ai/DeepSeek-R1-0528-Qwen3-8B",
  "kind": "structural",
  "classes": [
   "structural"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "rope_scaling",
    "before": {
     "rope_type": "yarn",
     "factor": 4,
     "original_max_position_embeddings": 32768
    },
    "after": {
     "rope_type": "yarn",
     "factor": 4,
     "original_max_position_embeddings": 32768,
     "attn_factor": 0.8782488562869419
    },
    "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
  },
  "commit_date": "2025-05-29T13:13:34.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 0,
  "license": "CC-BY-4.0"
 }
}