{
  "api": {
    "MutationEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent",
        "tags": [
          "web-features:mutation-events"
        ],
        "support": {
          "chrome": {
            "version_added": "1",
            "version_removed": "127"
          },
          "chrome_android": "mirror",
          "edge": {
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            "version_removed": "127"
          },
          "firefox": {
            "version_added": "1",
            "version_removed": "140"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "9"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "≤12.1"
          },
          "opera_android": {
            "version_added": "≤12.1"
          },
          "safari": {
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            "version_removed": "26"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": false,
          "deprecated": true
        }
      },
      "attrChange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent/attrChange",
          "tags": [
            "web-features:mutation-events"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "version_removed": "127"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "version_removed": "127"
            },
            "firefox": {
              "version_added": "1",
              "version_removed": "140"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1",
              "version_removed": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "attrName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent/attrName",
          "tags": [
            "web-features:mutation-events"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "version_removed": "127"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "version_removed": "127"
            },
            "firefox": {
              "version_added": "1",
              "version_removed": "140"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1",
              "version_removed": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "initMutationEvent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent/initMutationEvent",
          "tags": [
            "web-features:mutation-events"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "version_removed": "127"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "version_removed": "127"
            },
            "firefox": {
              "version_added": "1",
              "version_removed": "140"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1",
              "version_removed": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "newValue": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent/newValue",
          "tags": [
            "web-features:mutation-events"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "version_removed": "127"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "version_removed": "127"
            },
            "firefox": {
              "version_added": "1",
              "version_removed": "140"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
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              "version_removed": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "prevValue": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent/prevValue",
          "tags": [
            "web-features:mutation-events"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "version_removed": "127"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "version_removed": "127"
            },
            "firefox": {
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              "version_removed": "140"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1",
              "version_removed": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "relatedNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MutationEvent/relatedNode",
          "tags": [
            "web-features:mutation-events"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "version_removed": "127"
            },
            "chrome_android": "mirror",
            "edge": {
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            },
            "firefox": {
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              "version_removed": "140"
            },
            "firefox_android": "mirror",
            "ie": {
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            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
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              "version_removed": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      }
    }
  }
}