{
  "html": {
    "elements": {
      "fieldset": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/fieldset",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#the-fieldset-element",
          "tags": [
            "web-features:fieldset"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "notes": "Before version 86, this element did not support `flexbox` and `grid` layouts within this element. See [bug 41027853](https://crbug.com/41027853)."
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "notes": "Before version 86, this element did not support `flexbox` and `grid` layouts within this element. See [bug 4511145](https://developer.microsoft.com/microsoft-edge/platform/issues/4511145/)."
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "≤11"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤15"
            },
            "opera_android": {
              "version_added": "≤14"
            },
            "safari": {
              "version_added": "≤4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "disabled": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Attributes/disabled",
            "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#attr-fe-disabled",
            "tags": [
              "web-features:fieldset"
            ],
            "support": {
              "chrome": {
                "version_added": "20"
              },
              "chrome_android": "mirror",
              "edge": [
                {
                  "version_added": "79"
                },
                {
                  "version_added": "12",
                  "partial_implementation": true,
                  "notes": "Does not work with nested fieldsets. For example: `&lt;fieldset disabled&gt;&lt;fieldset&gt;&lt;!--Still enabled--&gt;&lt;/fieldset&gt;&lt;/fieldset&gt;`"
                }
              ],
              "firefox": {
                "version_added": "4"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11",
                "notes": "Not all form control descendants of a disabled fieldset are properly disabled in IE11; see IE [bug 817488: input[type='file'] not disabled inside disabled fieldset](https://connect.microsoft.com/IE/feedbackdetail/view/817488) and IE [bug 962368: Can still edit input[type='text'] within fieldset[disabled]](https://connect.microsoft.com/IE/feedbackdetail/view/962368/can-still-edit-input-type-text-within-fieldset-disabled)."
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "12"
              },
              "opera_android": {
                "version_added": "12"
              },
              "safari": {
                "version_added": "6"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "form": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#attr-fae-form",
            "tags": [
              "web-features:fieldset"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "3"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "name": {
          "__compat": {
            "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#attr-fe-name",
            "tags": [
              "web-features:fieldset"
            ],
            "support": {
              "chrome": {
                "version_added": "19"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "4"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "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
            }
          }
        }
      }
    }
  }
}