{
  "webextensions": {
    "manifest": {
      "incognito": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/incognito",
          "support": {
            "chrome": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            }
          }
        },
        "not_allowed": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "17"
              },
              "firefox": {
                "version_added": "67"
              },
              "firefox_android": {
                "version_added": "67"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              }
            }
          }
        },
        "spanning": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              }
            }
          }
        },
        "split": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "17"
              },
              "firefox": {
                "version_added": false,
                "notes": "See <a href='https://bugzil.la/1380812'>bug 1380812</a>."
              },
              "firefox_android": {
                "version_added": false,
                "notes": "See <a href='https://bugzil.la/1380812'>bug 1380812</a>."
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              }
            }
          }
        }
      }
    }
  }
}