{
  "api": {
    "PopStateEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/PopStateEvent",
        "spec_url": "https://html.spec.whatwg.org/multipage/nav-history-apis.html#the-popstateevent-interface",
        "tags": [
          "web-features:history"
        ],
        "support": {
          "chrome": {
            "version_added": "4"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "4"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "10"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "≤12.1"
          },
          "opera_android": {
            "version_added": "≤12.1"
          },
          "safari": {
            "version_added": "6"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "PopStateEvent": {
        "__compat": {
          "description": "`PopStateEvent()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PopStateEvent/PopStateEvent",
          "spec_url": "https://html.spec.whatwg.org/multipage/nav-history-apis.html#the-popstateevent-interface",
          "tags": [
            "web-features:history"
          ],
          "support": {
            "chrome": {
              "version_added": "16"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "11"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hasUAVisualTransition": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PopStateEvent/hasUAVisualTransition",
          "spec_url": "https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-popstateevent-hasuavisualtransition",
          "tags": [
            "web-features:history"
          ],
          "support": {
            "chrome": {
              "version_added": "118"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "18"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "state": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PopStateEvent/state",
          "spec_url": "https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-popstateevent-state-dev",
          "tags": [
            "web-features:history"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}