{
  "webextensions": {
    "manifest": {
      "manifest_version": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/manifest_version",
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "opera": {
              "version_added": "15"
            },
            "safari": {
              "version_added": "14"
            }
          }
        },
        "v1": {
          "__compat": {
            "description": "Version 1",
            "support": {
              "chrome": {
                "version_added": "4",
                "version_removed": "21"
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "v2": {
          "__compat": {
            "description": "Version 2",
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "v3": {
          "__compat": {
            "description": "Version 3",
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}