{
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    "67": "2.40",
    "66": "2.38",
    "65": "2.36",
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    "51": "2.23",
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    "49": "2.22",
    "48": "2.21",
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    "46": "2.21",
    "45": "2.20",
    "44": "2.20",
    "43": "2.20",
    "42": "2.16",
    "41": "2.15",
    "40": "2.15"
  },
  "firefox": {
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    "59": "v0.21.0",
    "58": "v0.21.0",
    "57": "v0.21.0",
    "56": "v0.19.1",
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    "50": "v0.16.0"
  },
  "opera": {
    "26": "v0.2.2",
    "27": "v0.2.2",
    "28": "v0.2.2",
    "29": "v0.2.2",
    
    "45": "v.2.29",
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    "54": "v.2.37",
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}