{
    "feature-policies": [
        {
            "engines": [
                "blink"
            ],
            "needsflag": [
                "blink"
            ],
            "filename": "http/headers/Permissions-Policy.json",
            "name": "execution-while-not-rendered",
            "slug": "HTTP/Headers/Permissions-Policy/execution-while-not-rendered",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered",
            "summary": "The HTTP Permissions-Policy header execution-while-not-rendered directive controls whether tasks should execute in frames while they're not being rendered (e.g. if an iframe is hidden or has display: none set).",
            "support": {
                "chrome": {
                    "version_added": true,
                    "flags": [
                        {
                            "type": "runtime_flag",
                            "name": "--enable-blink-features=ExperimentalProductivityFeatures"
                        }
                    ]
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": true,
                    "flags": [
                        {
                            "type": "runtime_flag",
                            "name": "--enable-blink-features=ExperimentalProductivityFeatures"
                        }
                    ]
                }
            },
            "title": "Permissions-Policy: execution-while-not-rendered"
        },
        {
            "engines": [
                "blink"
            ],
            "needsflag": [
                "blink"
            ],
            "filename": "http/headers/Permissions-Policy.json",
            "name": "execution-while-out-of-viewport",
            "slug": "HTTP/Headers/Permissions-Policy/execution-while-out-of-viewport",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-out-of-viewport",
            "summary": "The HTTP Permissions-Policy header execution-while-out-of-viewport directive controls whether tasks should execute in frames while they're outside of the visible viewport.",
            "support": {
                "chrome": {
                    "version_added": true,
                    "flags": [
                        {
                            "type": "runtime_flag",
                            "name": "--enable-blink-features=ExperimentalProductivityFeatures"
                        }
                    ]
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": true,
                    "flags": [
                        {
                            "type": "runtime_flag",
                            "name": "--enable-blink-features=ExperimentalProductivityFeatures"
                        }
                    ]
                }
            },
            "title": "Permissions-Policy: execution-while-out-of-viewport"
        }
    ]
}