dashboard.json

{
  "generatedAt": "2026-06-22T23:03:39.235Z",
  "sources": {
    "accuracy": {
      "chrome": "accuracy/chrome.json",
      "safari": "accuracy/safari.json",
      "firefox": "accuracy/firefox.json"
    },
    "chromeStep10": "corpora/chrome-step10.json",
    "safariStep10": "corpora/safari-step10.json",
    "taxonomy": "corpora/TAXONOMY.md"
  },
  "browserRegressionGate": {
    "chrome": {
      "total": 7680,
      "matchCount": 7680,
      "mismatchCount": 0
    },
    "safari": {
      "total": 7680,
      "matchCount": 7680,
      "mismatchCount": 0
    },
    "firefox": {
      "total": 7680,
      "matchCount": 7680,
      "mismatchCount": 0
    }
  },
  "productShaped": [
    {
      "id": "mixed-app-text",
      "title": "Mixed app text",
      "language": "mul",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "currently exact in the maintained Chrome and Safari step10 sweeps; keep as the product-shaped canary for URLs, emoji ZWJ, hard spaces, and soft hyphens"
    }
  ],
  "longForm": [
    {
      "id": "en-gatsby-opening",
      "title": "The Great Gatsby opening",
      "language": "en",
      "chromeAnchors": {
        "exactWidths": [
          600,
          800
        ],
        "mismatches": [
          {
            "width": 300,
            "diffPx": -26
          }
        ]
      },
      "safariAnchors": {
        "exactWidths": [
          600,
          800
        ],
        "mismatches": [
          {
            "width": 300,
            "diffPx": -26
          }
        ]
      },
      "chromeStep10": {
        "exactCount": 50,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 58,
        "widthCount": 61
      },
      "notes": "English long-form canary; broad narrow-width negative field with one local positive flip"
    },
    {
      "id": "ja-kumo-no-ito",
      "title": "蜘蛛の糸",
      "language": "ja",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 56,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "second Japanese canary; same broad one-line positive edge-fit field as `羅生門`, but smaller"
    },
    {
      "id": "ja-rashomon",
      "title": "羅生門",
      "language": "ja",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 55,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "real Japanese canary; remaining field is mostly opening-quote / punctuation compression plus a few one-line edge fits"
    },
    {
      "id": "ko-unsu-joh-eun-nal",
      "title": "운수 좋은 날",
      "language": "ko",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "Korean step10 sweep is clean"
    },
    {
      "id": "ko-sonagi",
      "title": "소나기",
      "language": "ko",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "second Korean canary; step10 sweep is clean"
    },
    {
      "id": "zh-guxiang",
      "title": "故鄉",
      "language": "zh",
      "chromeAnchors": {
        "exactWidths": [
          600,
          800
        ],
        "mismatches": [
          {
            "width": 300,
            "diffPx": 64
          }
        ]
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 54,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "second Chinese canary; same Chrome-positive / Safari-clean split as `祝福`, but slightly healthier overall"
    },
    {
      "id": "zh-zhufu",
      "title": "祝福",
      "language": "zh",
      "chromeAnchors": {
        "exactWidths": [
          600,
          800
        ],
        "mismatches": [
          {
            "width": 300,
            "diffPx": 32
          }
        ]
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 43,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "real Chinese canary; broad positive one-line field in Chrome, exact Safari anchors"
    },
    {
      "id": "th-nithan-vetal-story-1",
      "title": "นิทานเวตาล/เรื่องที่ 1",
      "language": "th",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 59,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "two remaining step10 one-line misses"
    },
    {
      "id": "th-nithan-vetal-story-7",
      "title": "นิทานเวตาล เรื่องที่ ๗",
      "language": "th",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 60,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "second Thai canary stays healthy"
    },
    {
      "id": "km-prachum-reuang-preng-khmer-volume-7-stories-1-10",
      "title": "ប្រជុំរឿងព្រេងខ្មែរ/ភាគទី៧ (រឿង ១-១០)",
      "language": "km",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "step10 sweep is fully exact on this machine"
    },
    {
      "id": "my-cunning-heron-teacher",
      "title": "စဉ်းလဲသော ဗျိုင်း (ဆရာ)",
      "language": "my",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 58,
        "widthCount": 61
      },
      "notes": "real Myanmar canary; exact in Chrome with three positive one-line Safari misses on this machine"
    },
    {
      "id": "my-bad-deeds-return-to-you-teacher",
      "title": "မကောင်းမှုဒဏ် ကိုယ့်ထံပြန် (ဆရာ)",
      "language": "my",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 59,
        "widthCount": 61
      },
      "notes": "second Myanmar canary; exact in Chrome with two positive one-line Safari misses on this machine"
    },
    {
      "id": "ur-chughd",
      "title": "چغد",
      "language": "ur",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 57,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 57,
        "widthCount": 61
      },
      "notes": "font-sensitive Nastaliq/Naskh canary; anchors are exact with four shared positive one-line misses"
    },
    {
      "id": "hi-eidgah",
      "title": "प्रेमचंद की सर्वश्रेष्ठ कहानियां/ईदगाह",
      "language": "hi",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "Hindi step10 sweep is clean"
    },
    {
      "id": "ar-risalat-al-ghufran-part-1",
      "title": "رسالة الغفران/الجزء الأول",
      "language": "ar",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 60,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 60,
        "widthCount": 61
      },
      "notes": "Arabic step10 sweep has one shared positive one-line miss; fine sweep still has a small positive field"
    },
    {
      "id": "ar-al-bukhala",
      "title": "البخلاء",
      "language": "ar",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "large second Arabic canary; anchors are clean"
    },
    {
      "id": "he-masaot-binyamin-metudela",
      "title": "מסעות בנימין מטודלה",
      "language": "he",
      "chromeAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "safariAnchors": {
        "exactWidths": [
          300,
          600,
          800
        ],
        "mismatches": []
      },
      "chromeStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "safariStep10": {
        "exactCount": 61,
        "widthCount": 61
      },
      "notes": "Hebrew step10 sweep is clean"
    }
  ],
  "fineSweepNotes": [
    {
      "corpusId": "ar-risalat-al-ghufran-part-1",
      "result": {
        "kind": "exact_count",
        "exactCount": 594,
        "widthCount": 601
      },
      "notes": "remaining misses are one-line positive edge-fit cases"
    },
    {
      "corpusId": "my-cunning-heron-teacher",
      "result": {
        "kind": "not_fully_mapped",
        "label": "not fully mapped at `step=1`"
      },
      "notes": "current useful sentinels are the shared `350` and `690` classes"
    },
    {
      "corpusId": "ur-chughd",
      "result": {
        "kind": "not_fully_mapped",
        "label": "not fully mapped at `step=1`"
      },
      "notes": "first narrow-width mismatch shows real local width/context drift, not dirty data"
    }
  ],
  "fontMatrixNotes": [
    {
      "corpusId": "ja-kumo-no-ito",
      "status": "sampled matrix has a small field",
      "notes": "`Hiragino Mincho ProN` had `+32px` at `450px`; `Hiragino Sans` was `5/5 exact`"
    },
    {
      "corpusId": "ja-rashomon",
      "status": "sampled matrix has small field",
      "notes": "`Hiragino Mincho ProN` was `3/5 exact`; `Hiragino Sans` improved to `4/5 exact`, but `450px` still missed"
    },
    {
      "corpusId": "ko-unsu-joh-eun-nal",
      "status": "clean on sampled matrix",
      "notes": "`Apple SD Gothic Neo`, `AppleMyungjo`"
    },
    {
      "corpusId": "ko-sonagi",
      "status": "clean on sampled matrix",
      "notes": "`Apple SD Gothic Neo`, `AppleMyungjo`"
    },
    {
      "corpusId": "zh-guxiang",
      "status": "sampled matrix has a real font split",
      "notes": "`Songti SC` had `+64px` at `300` and `+32px` at `450`; `PingFang SC` improved `450` but still missed `300`"
    },
    {
      "corpusId": "zh-zhufu",
      "status": "sampled matrix has a real font split",
      "notes": "`Songti SC` was `3/5 exact`; `PingFang SC` widened the positive field to `300 / 450 / 600`"
    },
    {
      "corpusId": "th-nithan-vetal-story-1",
      "status": "clean on sampled matrix",
      "notes": "`Thonburi`, `Ayuthaya`"
    },
    {
      "corpusId": "th-nithan-vetal-story-7",
      "status": "clean on sampled matrix",
      "notes": "`Thonburi`, `Ayuthaya`"
    },
    {
      "corpusId": "km-prachum-reuang-preng-khmer-volume-7-stories-1-10",
      "status": "clean on sampled matrix",
      "notes": "`Khmer Sangam MN`, `Khmer MN`"
    },
    {
      "corpusId": "hi-eidgah",
      "status": "clean on sampled matrix",
      "notes": "`Kohinoor Devanagari`, `Devanagari Sangam MN`, `ITF Devanagari`"
    },
    {
      "corpusId": "ar-risalat-al-ghufran-part-1",
      "status": "clean on sampled matrix",
      "notes": "`Geeza Pro`, `SF Arabic`, `Arial`"
    },
    {
      "corpusId": "he-masaot-binyamin-metudela",
      "status": "clean on sampled matrix",
      "notes": "`Times New Roman`, `SF Hebrew`"
    },
    {
      "corpusId": "my-cunning-heron-teacher",
      "status": "clean on sampled matrix",
      "notes": "`Myanmar MN`, `Myanmar Sangam MN`, `Noto Sans Myanmar`"
    },
    {
      "corpusId": "my-bad-deeds-return-to-you-teacher",
      "status": "one sampled miss",
      "notes": "`Myanmar Sangam MN` had `-32px` at `300px`; `Myanmar MN` and `Noto Sans Myanmar` stayed exact"
    },
    {
      "corpusId": "ur-chughd",
      "status": "sampled matrix has a real narrow field",
      "notes": "`Noto Nastaliq Urdu` was `2/5 exact`; `Geeza Pro` improved to `3/5 exact` but kept the same narrow negative field"
    }
  ]
}