{
  "webextensions": {
    "api": {
      "i18n": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/i18n",
          "support": {
            "chrome": {
              "version_added": "17"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "45"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "opera": "mirror",
            "safari": {
              "version_added": "14"
            },
            "safari_ios": {
              "version_added": "15"
            }
          }
        },
        "LanguageCode": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/i18n/LanguageCode",
            "support": {
              "chrome": {
                "version_added": "47"
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "detectLanguage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/i18n/detectLanguage",
            "support": {
              "chrome": {
                "version_added": "47"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "47"
              },
              "firefox_android": [
                {
                  "version_added": "106"
                },
                {
                  "version_added": "48",
                  "version_removed": "106",
                  "notes": "The method existed but always threw an error."
                }
              ],
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "getAcceptLanguages": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getAcceptLanguages",
            "support": {
              "chrome": {
                "version_added": "47"
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "47"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "getMessage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage",
            "support": {
              "chrome": {
                "version_added": "17"
              },
              "edge": {
                "version_added": "14",
                "notes": [
                  "Throws an exception instead returning an empty string if the message does not exist.",
                  "Expects substitutions to be strings, while other browsers allow any value which is then converted to a string."
                ]
              },
              "firefox": {
                "version_added": "45",
                "notes": "Firefox 47 and earlier returns \"??\" instead of \"\" if the message is not found in _locales, [bug 1258199](https://bugzil.la/1258199) changed this act to match Chrome, landed on Firefox 48."
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "getUILanguage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getUILanguage",
            "support": {
              "chrome": {
                "version_added": "35"
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "47",
                "notes": "Firefox 55 and earlier returns a language tag that's separated with the underscore character instead of hyphen, see [bug 1374552](https://bugzil.la/1374552)."
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        }
      }
    }
  }
}