{ "http": { "headers": { "Set-Cookie": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Headers/Set-Cookie", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "HttpOnly": { "__compat": { "description": "HttpOnly", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "9" }, "opera": { "version_added": "11" }, "opera_android": { "version_added": true }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "4" }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": "37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "Max-Age": { "__compat": { "description": "Max-Age", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": "8" }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "SameSite": { "__compat": { "description": "SameSite", "support": { "chrome": { "version_added": "51" }, "chrome_android": { "version_added": "51" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": { "version_added": "60" }, "ie": { "version_added": false }, "opera": { "version_added": "39" }, "opera_android": { "version_added": "41" }, "safari": [ { "version_added": "13", "notes": "Safari 13 on macOS 10.14 (Mojave), treats SameSite=None and invalid values as Strict. This is fixed in version 10.15 (Catalina) and later." }, { "version_added": "12", "partial_implementation": true, "notes": "Treats SameSite=None and invalid values as Strict in macOS before 10.15 Catalina. See bug 198181." } ], "safari_ios": [ { "version_added": "13" }, { "version_added": "12.2", "partial_implementation": true, "notes": "Treats SameSite=None and invalid values as Strict in iOS before 13. See bug 198181." } ], "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "51" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "Lax": { "__compat": { "description": "SameSite=Lax", "support": { "chrome": { "version_added": "51" }, "chrome_android": { "version_added": "51" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": { "version_added": "60" }, "ie": { "version_added": false }, "opera": { "version_added": "39" }, "opera_android": { "version_added": "41" }, "safari": { "version_added": "12" }, "safari_ios": { "version_added": "12.2" }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "51" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "Lax_default": { "__compat": { "description": "Defaults to Lax", "support": { "chrome": { "version_added": "80" }, "chrome_android": { "version_added": "80" }, "edge": { "version_added": "80" }, "firefox": { "version_added": "69", "flags": [ { "type": "preference", "name": "network.cookie.sameSite.laxByDefault", "value_to_set": "true" } ] }, "firefox_android": { "version_added": false }, "ie": { "version_added": false }, "opera": { "version_added": "67" }, "opera_android": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": "80" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "None": { "__compat": { "description": "SameSite=None", "support": { "chrome": { "version_added": "51" }, "chrome_android": { "version_added": "51" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": { "version_added": "60" }, "ie": { "version_added": false }, "opera": { "version_added": "39" }, "opera_android": { "version_added": "41" }, "safari": { "version_added": "13", "notes": "Not supported prior to macOS before version 10.15 (Catalina)." }, "safari_ios": { "version_added": "13" }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "51" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "Strict": { "__compat": { "description": "SameSite=Strict", "support": { "chrome": { "version_added": "51" }, "chrome_android": { "version_added": "51" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": { "version_added": "60" }, "ie": { "version_added": false }, "opera": { "version_added": "39" }, "opera_android": { "version_added": "41" }, "safari": { "version_added": "12" }, "safari_ios": { "version_added": "12.2" }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "51" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "secure_context_required": { "__compat": { "description": "Secure context required", "support": { "chrome": { "version_added": "80" }, "chrome_android": { "version_added": "80" }, "edge": { "version_added": "80" }, "firefox": { "version_added": "69", "flags": [ { "type": "preference", "name": "network.cookie.sameSite.noneRequiresSecure", "value_to_set": "true" } ] }, "firefox_android": { "version_added": false }, "ie": { "version_added": false }, "opera": { "version_added": "67" }, "opera_android": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": "80" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "cookie_prefixes": { "__compat": { "description": "Cookie prefixes", "support": { "chrome": { "version_added": "49" }, "chrome_android": { "version_added": "49" }, "edge": { "version_added": "79" }, "firefox": { "version_added": "50" }, "firefox_android": { "version_added": "50" }, "ie": { "version_added": false }, "opera": { "version_added": "36" }, "opera_android": { "version_added": "36" }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "49" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } } }