{
  "webextensions": {
    "manifest": {
      "commands": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/commands",
          "support": {
            "chrome": {
              "version_added": true
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            }
          }
        },
        "F1-F12": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "53"
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "_execute_sidebar_action": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "54"
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              }
            }
          }
        },
        "global": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "MediaNextTrack": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "57",
                "notes": [
                  "macOS support requires the <code>global</code> command feature which isn't supported yet. See <a href='https://bugzil.la/1251795#c11'>Bug 1251795</a>.",
                  "Can only register one Media* command at a time. See <a href='https://bugzil.la/1251795#c13'>Bug 1251795</a>."
                ]
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "MediaPlayPause": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "57",
                "notes": [
                  "macOS support requires the <code>global</code> command feature which isn't supported yet. See <a href='https://bugzil.la/1251795#c11'>Bug 1251795</a>.",
                  "Can only register one Media* command at a time. See <a href='https://bugzil.la/1251795#c13'>Bug 1251795</a>."
                ]
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "MediaPrevTrack": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "57",
                "notes": [
                  "macOS support requires the <code>global</code> command feature which isn't supported yet. See <a href='https://bugzil.la/1251795#c11'>Bug 1251795</a>.",
                  "Can only register one Media* command at a time. See <a href='https://bugzil.la/1251795#c13'>Bug 1251795</a>."
                ]
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        },
        "MediaStop": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "57",
                "notes": [
                  "macOS support requires the <code>global</code> command feature which isn't supported yet. See <a href='https://bugzil.la/1251795#c11'>Bug 1251795</a>.",
                  "Can only register one Media* command at a time. See <a href='https://bugzil.la/1251795#c13'>Bug 1251795</a>."
                ]
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              }
            }
          }
        }
      }
    }
  }
}