diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index d06cf66..a3e40a7 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -1068,7 +1068,19 @@
 		"description": ""
 	},
 	"protectWindow_askReCaptchaException": {
-		"message": "Wenn die Window-API beschützt wird, funktioniert reCAPTCHA nicht mehr. Wollen Sie dafür eine Ausnahme hinzufügen?",
+		"message": "Wenn die Window-API beschützt wird, funktioniert reCAPTCHA nicht mehr. Wollen Sie die window.name-API in eingebetteten Seiten erlauben, damit es wieder funktioniert?",
+		"description": ""
+	},
+	"allowWindowNameInFrames_title": {
+		"message": "Erlaube window.name in Frames",
+		"description": ""
+	},
+	"allowWindowNameInFrames_description": {
+		"message": "Die window.name-API ist im Kontext eingebetteter Seiten nicht besonders gefährlich und wird dort für legitime Anwendungen (z.B. reCAPTCHA) verwendet. Diese Einstellung erlaubt die Benutzung dort.",
+		"description": ""
+	},
+	"allowWindowNameInFrames_urlSpecific": {
+		"message": "Um die für bestimmte Seiten zu erlauben, klicken Sie auf den schwarzen Pfeil um das Menü zu öffnen, fügen Sie die gewünschte Domain oder URL mit einem Klick auf \\\"+\\\" hinzu und setzen Sie das zugehörige Häkchen.",
 		"description": ""
 	},
 	"protectDOMRect_title": {
@@ -1528,7 +1540,7 @@
 		"description": ""
 	},
 	"preset_recaptcha_description": {
-		"message": "Der window-API-Schutz macht reCAPTCHA unbenutzbar. Diese Voreinstellung fügt eine Ausnahme dafür hinzu.",
+		"message": "Der window-API-Schutz macht reCAPTCHA unbenutzbar. Diese Voreinstellung erlaubt die Benutzung der window.name-API in eingebetteten Seite. Dadurch funktioniert es wieder.",
 		"description": ""
 	}
 }
\ No newline at end of file
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 519ae63..8ad45ba 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1111,7 +1111,20 @@
 		"description": ""
 	},
 	"protectWindow_askReCaptchaException": {
-		"message": "Protecting the window API breaks reCAPTCHA. Do you want to add an exception for it?",
+		"message": "Protecting the window API breaks reCAPTCHA. Do you want to allow the window.name API in embedded pages which will make if work again?",
+		"description": ""
+	},
+	
+	"allowWindowNameInFrames_title": {
+		"message": "Allow window.name in frames",
+		"description": ""
+	},
+	"allowWindowNameInFrames_description": {
+		"message": "The window.name API is not that dangerous in the context of embedded pages and it is used there for legitimate reasons (e.g. reCAPTCHA). This setting will allow these usages.",
+		"description": ""
+	},
+	"allowWindowNameInFrames_urlSpecific": {
+		"message": "To allow this for specific websites, click on the black arrow to open the menu, add the domain or URL by clicking on \"+\" and set its checkmark.",
 		"description": ""
 	},
 	
@@ -1591,7 +1604,7 @@
 		"description": ""
 	},
 	"preset_recaptcha_description": {
-		"message": "Protecting the window API breaks reCAPTCHA. This preset adds an exception for it to work.",
+		"message": "Protecting the window API breaks reCAPTCHA. This preset allows the usage of the window.name API in embedded pages which will make it work again.",
 		"description": ""
 	}
 }
diff --git a/lib/modifiedWindowAPI.js b/lib/modifiedWindowAPI.js
index b25210f..158c03c 100644
--- a/lib/modifiedWindowAPI.js
+++ b/lib/modifiedWindowAPI.js
@@ -48,8 +48,14 @@
 				const temp = {
 					get name(){
 						return checkerWrapper(checker, this, arguments, function(args, check){
-							const {notify, original} = check;
+							const {notify, original, prefs} = check;
 							const originalName = original.call(this, ...args);
+							if (
+								this !== this.top &&
+								prefs("allowWindowNameInFrames", this.location)
+							){
+								return originalName;
+							}
 							const returnedName = windowNames.get(this) || "";
 							if (originalName !== returnedName){
 								notify("fakedWindowReadout");
diff --git a/lib/settingDefinitions.js b/lib/settingDefinitions.js
index 666b3af..15a6b46 100644
--- a/lib/settingDefinitions.js
+++ b/lib/settingDefinitions.js
@@ -321,6 +321,11 @@
 			defaultValue: false,
 			urlSpecific: true
 		},
+		{
+			name: "allowWindowNameInFrames",
+			defaultValue: false,
+			urlSpecific: true
+		},
 		{
 			name: "protectDOMRect",
 			defaultValue: true,
@@ -383,7 +388,7 @@
 		},
 		{
 			name: "storageVersion",
-			defaultValue: 0.6,
+			defaultValue: 1.0,
 			fixed: true
 		}
 	];
diff --git a/lib/settingsMigration.js b/lib/settingsMigration.js
index 1f477b3..c1f1041 100644
--- a/lib/settingsMigration.js
+++ b/lib/settingsMigration.js
@@ -15,11 +15,11 @@
 	
 	const settingDefinitions = require("./settingDefinitions");
 	
-	scope.validVersions = [undefined, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6];
+	scope.validVersions = [undefined, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 1.0];
 	scope.transitions = {
 		"": function(){
 			return {
-				storageVersion: 0.6
+				storageVersion: 1.0
 			};
 		},
 		0.1: function(oldStorage){
@@ -157,6 +157,25 @@
 			}
 			return newStorage;
 		},
+		0.6: function (oldStorage){
+			const newStorage = {
+				storageVersion: 1.0
+			};
+			if (
+				oldStorage.hasOwnProperty("protectWindow") &&
+				oldStorage.protectWindow &&
+				oldStorage.hasOwnProperty("urlSettings") &&
+				Array.isArray(oldStorage.urlSettings) &&
+				oldStorage.urlSettings.filter(function(entry){
+					return entry.url === "^https://www\\.google\\.com/recaptcha/api2/(?:b?frame|anchor).*$";
+				}).some(function(entry){
+					return entry.protectWindow === false;
+				})
+			){
+				newStorage.allowWindowNameInFrames = true;
+			}
+			return newStorage;
+		}
 	};
 	
 	scope.check = function(storage, {settings, logging}){
diff --git a/options/options.js b/options/options.js
index 296425f..0688db3 100644
--- a/options/options.js
+++ b/options/options.js
@@ -121,6 +121,7 @@
 					break;
 				}
 			}
+			delete json.storageVersion;
 			const keys = Object.keys(json);
 			keys.forEach(function(key){
 				const setting = settings.getDefinition(key);
@@ -132,9 +133,7 @@
 				}
 			});
 			keys.forEach(function(key){
-				if (key !== "storageVersion"){
-					settings[key] = json[key];
-				}
+				settings[key] = json[key];
 			});
 		},
 		resetSettings: async function(){
@@ -560,31 +559,17 @@
 	document.body.appendChild(version);
 	
 	settings.onloaded(function(){
-		const reCaptchaEntry = "^https://www\\.google\\.com/recaptcha/api2/(?:b?frame|anchor).*$";
-		const {url: urlContainer} = settings.getContainers();
 		settings.on("protectWindow", async function({newValue}){
-			if (newValue){
-				const urlValue = urlContainer.get();
-				const matching = urlValue.filter(function(entry){
-					return entry.url === reCaptchaEntry;
-				});
-				if (
-					newValue &&
-					(
-						matching.length === 0 ||
-						matching[0].protectWindow
-					)
-				){
-					const addException = await modal.confirm(
-						extension.getTranslation("protectWindow_askReCaptchaException"),
-						{
-							node: document.querySelector("[data-storage-name=protectWindow]"),
-							selector: ".settingRow .content"
-						}
-					);
-					if (addException){
-						settings.set("protectWindow", false, reCaptchaEntry);
+			if (newValue && !settings.allowWindowNameInFrames){
+				const addException = await modal.confirm(
+					extension.getTranslation("protectWindow_askReCaptchaException"),
+					{
+						node: document.querySelector("[data-storage-name=protectWindow]"),
+						selector: ".settingRow .content"
 					}
+				);
+				if (addException){
+					settings.set("allowWindowNameInFrames", true);
 				}
 			}
 		});
diff --git a/options/presets.json b/options/presets.json
index ac02759..e06560e 100644
--- a/options/presets.json
+++ b/options/presets.json
@@ -23,8 +23,6 @@
 		"protectWindow": true
 	},
 	"recaptcha": {
-		"protectWindow": {
-			"^https://www\\.google\\.com/recaptcha/api2/(?:b?frame|anchor).*$": false
-		}
+		"allowWindowNameInFrames": true
 	}
 }
\ No newline at end of file
diff --git a/options/settingsDisplay.js b/options/settingsDisplay.js
index 90099ff..01c0082 100644
--- a/options/settingsDisplay.js
+++ b/options/settingsDisplay.js
@@ -583,6 +583,14 @@
 								}
 							]
 						},
+						{
+							"name": "allowWindowNameInFrames",
+							"displayDependencies": [
+								{
+									"protectWindow": [true]
+								}
+							]
+						},
 					]
 				},
 				{
diff --git a/releaseNotes.txt b/releaseNotes.txt
index fd02d3c..3e4af46 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -4,6 +4,7 @@ Version 1.0:
 		- code cleanup
 		- added mail.google.com to the convenience preset
 		- added reCAPTCHA preset
+		- the reCAPTCHA whitelisting entry is changed to "allow window.name in frames"
 	
 	new features:
 		- added screen protection
@@ -18,6 +19,7 @@ Version 1.0:
 		- cross origin DOM manipulations
 		- window.name protection was detectable
 		- importing settings file with an older storage version did not work properly
+		- fields hosted on braintree not working when window API was protected
 	
 	known issues:
 		- if a data URL is blocked the page action button does not appear
diff --git a/versions/updates.json b/versions/updates.json
index c6dae19..49b1e7b 100644
--- a/versions/updates.json
+++ b/versions/updates.json
@@ -93,6 +93,10 @@
 				{
 					"version": "1.0RC3",
 					"update_link": "https://canvasblocker.kkapsner.de/versions/canvasblocker_beta-1.0RC3-an+fx.xpi"
+				},
+				{
+					"version": "1.0RC4",
+					"update_link": "https://canvasblocker.kkapsner.de/versions/canvasblocker_beta-1.0RC4-an+fx.xpi"
 				}
 			]
 		}