{
 "compat_features": [
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  "api.Highlight",
  "api.Highlight.@@iterator",
  "api.Highlight.Highlight",
  "api.Highlight.add",
  "api.Highlight.clear",
  "api.Highlight.delete",
  "api.Highlight.entries",
  "api.Highlight.forEach",
  "api.Highlight.has",
  "api.Highlight.keys",
  "api.Highlight.priority",
  "api.Highlight.size",
  "api.Highlight.type",
  "api.Highlight.values",
  "api.HighlightRegistry",
  "api.HighlightRegistry.@@iterator",
  "api.HighlightRegistry.clear",
  "api.HighlightRegistry.delete",
  "api.HighlightRegistry.entries",
  "api.HighlightRegistry.forEach",
  "api.HighlightRegistry.get",
  "api.HighlightRegistry.has",
  "api.HighlightRegistry.keys",
  "api.HighlightRegistry.set",
  "api.HighlightRegistry.size",
  "api.HighlightRegistry.values",
  "css.selectors.highlight"
 ],
 "description": "Custom highlights style arbitrary text ranges, without adding extra elements to the DOM.",
 "description_html": "Custom highlights style arbitrary text ranges, without adding extra elements to the DOM.",
 "kind": "feature",
 "name": "Custom highlights",
 "spec": [
  "https://drafts.csswg.org/css-highlight-api-1/"
 ],
 "status": {
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  "baseline_low_date": "2026-03-24",
  "by_compat_key": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
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     "firefox_android": "140",
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     "safari_ios": "17.2"
    }
   },
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.@@iterator": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
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     "safari_ios": "17.2"
    }
   },
   "api.Highlight.Highlight": {
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     "chrome_android": "105",
     "edge": "105",
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     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.add": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.clear": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.delete": {
    "baseline": "low",
    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
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     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.entries": {
    "baseline": "low",
    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.forEach": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.has": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.keys": {
    "baseline": "low",
    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.priority": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
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     "safari_ios": "17.2"
    }
   },
   "api.Highlight.size": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.type": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.Highlight.values": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.@@iterator": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.clear": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.delete": {
    "baseline": "low",
    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.entries": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
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    }
   },
   "api.HighlightRegistry.forEach": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.get": {
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    "baseline_low_date": "2025-06-24",
    "support": {
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     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.has": {
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    "baseline_low_date": "2025-06-24",
    "support": {
     "chrome": "105",
     "chrome_android": "105",
     "edge": "105",
     "firefox": "140",
     "firefox_android": "140",
     "safari": "17.2",
     "safari_ios": "17.2"
    }
   },
   "api.HighlightRegistry.keys": {
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    "baseline_low_date": "2025-06-24",
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   },
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   },
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   },
   "css.selectors.highlight": {
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 },
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   "shortname": "css-highlight-api-1",
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    "currentSpecification": "css-highlight-api-1",
    "title": "CSS Custom Highlight API",
    "shortTitle": "CSS Custom Highlight API",
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   },
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    }
   ],
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   },
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    "sourcePath": "css-highlight-api-1/Overview.bs",
    "filename": "index.html"
   },
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   "source": "w3c",
   "shortTitle": "CSS Custom Highlight API 1",
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   ],
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    "testPaths": [
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   },
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  }
 ],
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   "title": "CSS Custom Highlight API",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/API/CSS_Custom_Highlight_API"
  }
 ],
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   "vendor": "mozilla",
   "url": "https://github.com/mozilla/standards-positions/issues/482",
   "position": "positive",
   "concerns": []
  },
  {
   "vendor": "apple",
   "url": "https://github.com/WebKit/standards-positions/issues/3",
   "position": "support",
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 ],
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   "question": "reading_list",
   "subQuestion": "reading_list",
   "path": "dataAPI.surveys.state_of_html.html2024.reading_list.reading_list.combined.allEditions.1.buckets.4.entity"
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   "subQuestion": "all_features",
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  },
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 ],
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  "url": "https://chromestatus.com/metrics/webfeature/timeline/popularity/269"
 },
 "interop": [
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   "year": 2026,
   "label": "interop-2026-custom-highlights",
   "url": "https://wpt.fyi/interop-2026?feature=interop-2026-custom-highlights"
  }
 ],
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  "url": "https://wpt.fyi/results?q=feature:highlight"
 },
 "developerSignals": null,
 "bugs": {
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   "https://bugzil.la/1703961"
  ],
  "chrome": [
   "https://issues.chromium.org/issues/365046212",
   "https://crbug.com/1164461"
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 },
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}