diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79e753bd..457fbd66 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,9 @@
 ## 6.0.0
 
-- Added `pauseAllMediaPlayback`, `setAllMediaPlaybackSuspended`, `closeAllMediaPresentations`, `requestMediaPlaybackState` WebView controller methods
 - Deprecated old classes/properties/methods to make them eventually compatible with other operating systems and WebView engines.
+- Added `pauseAllMediaPlayback`, `setAllMediaPlaybackSuspended`, `closeAllMediaPresentations`, `requestMediaPlaybackState` WebView controller methods
+- Added `underPageBackgroundColor`, `isTextInteractionEnabled`, `isSiteSpecificQuirksModeEnabled`, `upgradeKnownHostsToHTTPS` WebView settings
+- Updated `getMetaThemeColor` on iOS 15.0+
 
 ## 5.4.0+2
 
diff --git a/example/lib/in_app_webiew_example.screen.dart b/example/lib/in_app_webiew_example.screen.dart
index 4e0ca0ce..0f51ad99 100755
--- a/example/lib/in_app_webiew_example.screen.dart
+++ b/example/lib/in_app_webiew_example.screen.dart
@@ -25,7 +25,7 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
       useShouldOverrideUrlLoading: true,
       mediaPlaybackRequiresUserGesture: false,
       useHybridComposition: true,
-      allowsInlineMediaPlayback: true,
+      allowsInlineMediaPlayback: true
   );
 
   late PullToRefreshController pullToRefreshController;
@@ -118,7 +118,7 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                     key: webViewKey,
                     // contextMenu: contextMenu,
                     initialUrlRequest:
-                    URLRequest(url: Uri.parse("https://www.youtube.com/watch?v=7_v6oMtz7tA")),
+                    URLRequest(url: Uri.parse("http://github.com/flutter/")),
                     // initialFile: "assets/index.html",
                     initialUserScripts: UnmodifiableListView<UserScript>([]),
                     initialSettings: settings,
@@ -126,11 +126,12 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                     onWebViewCreated: (controller) {
                       webViewController = controller;
                     },
-                    onLoadStart: (controller, url) {
+                    onLoadStart: (controller, url) async {
                       setState(() {
                         this.url = url.toString();
                         urlController.text = this.url;
                       });
+                      print((await controller.getSettings())?.upgradeKnownHostsToHTTPS);
                     },
                     onPermissionRequest: (controller, origin, resources) async {
                       return PermissionRequestResponse(
@@ -167,6 +168,7 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                         this.url = url.toString();
                         urlController.text = this.url;
                       });
+                      print((await controller.getSettings())?.upgradeKnownHostsToHTTPS);
                     },
                     onLoadError: (controller, url, code, message) {
                       pullToRefreshController.endRefreshing();
diff --git a/ios/Classes/InAppWebView/InAppWebView.swift b/ios/Classes/InAppWebView/InAppWebView.swift
index 78a2dc4b..d0cec70e 100755
--- a/ios/Classes/InAppWebView/InAppWebView.swift
+++ b/ios/Classes/InAppWebView/InAppWebView.swift
@@ -385,6 +385,12 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
                 pageZoom = CGFloat(settings.pageZoom)
             }
             
+            if #available(iOS 15.0, *) {
+                if let underPageBackgroundColor = settings.underPageBackgroundColor, !underPageBackgroundColor.isEmpty {
+                    self.underPageBackgroundColor = UIColor(hexString: underPageBackgroundColor)
+                }
+            }
+            
             // debugging is always enabled for iOS,
             // there isn't any option to set about it such as on Android.
             
@@ -421,6 +427,14 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
             if #available(iOS 14.0, *) {
                 configuration.defaultWebpagePreferences.allowsContentJavaScript = settings.javaScriptEnabled
             }
+            
+            if #available(iOS 14.5, *) {
+                configuration.preferences.isTextInteractionEnabled = settings.isTextInteractionEnabled
+            }
+            
+            if #available(iOS 15.0, *) {
+                configuration.preferences.isSiteSpecificQuirksModeEnabled = settings.isSiteSpecificQuirksModeEnabled
+            }
         }
     }
     
@@ -543,6 +557,10 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
             if #available(iOS 14.0, *) {
                 configuration.limitsNavigationsToAppBoundDomains = settings.limitsNavigationsToAppBoundDomains
             }
+            
+            if #available(iOS 14.5, *) {
+                configuration.upgradeKnownHostsToHTTPS = settings.upgradeKnownHostsToHTTPS
+            }
         }
         
         return configuration
@@ -1098,6 +1116,26 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
             }
         }
         
+        if #available(iOS 14.5, *) {
+            if newSettingsMap["upgradeKnownHostsToHTTPS"] != nil && settings?.upgradeKnownHostsToHTTPS != newSettings.upgradeKnownHostsToHTTPS {
+                configuration.upgradeKnownHostsToHTTPS = newSettings.upgradeKnownHostsToHTTPS
+            }
+            if newSettingsMap["isTextInteractionEnabled"] != nil && settings?.isTextInteractionEnabled != newSettings.isTextInteractionEnabled {
+                configuration.preferences.isTextInteractionEnabled = newSettings.isTextInteractionEnabled
+            }
+        }
+        
+        if #available(iOS 15.0, *) {
+            if newSettingsMap["underPageBackgroundColor"] != nil, settings?.underPageBackgroundColor != newSettings.underPageBackgroundColor,
+               let underPageBackgroundColor = newSettings.underPageBackgroundColor, !underPageBackgroundColor.isEmpty {
+                self.underPageBackgroundColor = UIColor(hexString: underPageBackgroundColor)
+            }
+            if newSettingsMap["isSiteSpecificQuirksModeEnabled"] != nil &&
+                settings?.isSiteSpecificQuirksModeEnabled != newSettings.isSiteSpecificQuirksModeEnabled {
+                configuration.preferences.isSiteSpecificQuirksModeEnabled = newSettings.isSiteSpecificQuirksModeEnabled
+            }
+        }
+        
         scrollView.isScrollEnabled = !(newSettings.disableVerticalScroll && newSettings.disableHorizontalScroll)
         
         self.settings = newSettings
diff --git a/ios/Classes/InAppWebView/InAppWebViewSettings.swift b/ios/Classes/InAppWebView/InAppWebViewSettings.swift
index 0b56a1ce..d567f984 100755
--- a/ios/Classes/InAppWebView/InAppWebViewSettings.swift
+++ b/ios/Classes/InAppWebView/InAppWebViewSettings.swift
@@ -70,6 +70,10 @@ public class InAppWebViewSettings: IWebViewSettings<InAppWebView> {
     var allowingReadAccessTo: String? = nil
     var disableLongPressContextMenuOnLinks = false
     var disableInputAccessoryView = false
+    var underPageBackgroundColor: String?
+    var isTextInteractionEnabled = true
+    var isSiteSpecificQuirksModeEnabled = true
+    var upgradeKnownHostsToHTTPS = true
     
     override init(){
         super.init()
@@ -133,6 +137,14 @@ public class InAppWebViewSettings: IWebViewSettings<InAppWebView> {
                 realSettings["limitsNavigationsToAppBoundDomains"] = configuration.limitsNavigationsToAppBoundDomains
                 realSettings["javaScriptEnabled"] = configuration.defaultWebpagePreferences.allowsContentJavaScript
             }
+            if #available(iOS 14.5, *) {
+                realSettings["isTextInteractionEnabled"] = configuration.preferences.isTextInteractionEnabled
+                realSettings["upgradeKnownHostsToHTTPS"] = configuration.upgradeKnownHostsToHTTPS
+            }
+            if #available(iOS 15.0, *) {
+                realSettings["underPageBackgroundColor"] = webView.underPageBackgroundColor.hexString
+                realSettings["isSiteSpecificQuirksModeEnabled"] = configuration.preferences.isSiteSpecificQuirksModeEnabled
+            }
         }
         return realSettings
     }
diff --git a/ios/Classes/InAppWebViewMethodHandler.swift b/ios/Classes/InAppWebViewMethodHandler.swift
index 6650e8f9..2a8baeb8 100644
--- a/ios/Classes/InAppWebViewMethodHandler.swift
+++ b/ios/Classes/InAppWebViewMethodHandler.swift
@@ -567,7 +567,7 @@ public class InAppWebViewMethodHandler: FlutterMethodCallDelegate {
                 }
                 break
             case "closeAllMediaPresentations":
-            if let webView = self.webView, #available(iOS 14.5, *) {
+                if let webView = self.webView, #available(iOS 14.5, *) {
                     // closeAllMediaPresentations with completionHandler v15.0 makes the app crash
                     // with error EXC_BAD_ACCESS, so use closeAllMediaPresentations v14.5
                     webView.closeAllMediaPresentations()
@@ -585,6 +585,13 @@ public class InAppWebViewMethodHandler: FlutterMethodCallDelegate {
                     result(nil)
                 }
                 break
+            case "getMetaThemeColor":
+                if let webView = webView, #available(iOS 15.0, *) {
+                    result(webView.themeColor?.hexString)
+                } else {
+                    result(nil)
+                }
+                break
             default:
                 result(FlutterMethodNotImplemented)
                 break
diff --git a/lib/src/ios/main.dart b/lib/src/apple/main.dart
similarity index 100%
rename from lib/src/ios/main.dart
rename to lib/src/apple/main.dart
diff --git a/lib/src/chrome_safari_browser/ios/main.dart b/lib/src/chrome_safari_browser/apple/main.dart
similarity index 100%
rename from lib/src/chrome_safari_browser/ios/main.dart
rename to lib/src/chrome_safari_browser/apple/main.dart
diff --git a/lib/src/chrome_safari_browser/ios/safari_options.dart b/lib/src/chrome_safari_browser/apple/safari_options.dart
similarity index 98%
rename from lib/src/chrome_safari_browser/ios/safari_options.dart
rename to lib/src/chrome_safari_browser/apple/safari_options.dart
index 8385fab4..717984cc 100755
--- a/lib/src/chrome_safari_browser/ios/safari_options.dart
+++ b/lib/src/chrome_safari_browser/apple/safari_options.dart
@@ -6,7 +6,7 @@ import '../../types.dart';
 import '../chrome_safari_browser_settings.dart';
 import '../chrome_safari_browser.dart';
 
-import '../../in_app_webview/ios/in_app_webview_options.dart';
+import '../../in_app_webview/apple/in_app_webview_options.dart';
 
 ///This class represents all the iOS-only [ChromeSafariBrowser] options available.
 ///Use [ChromeSafariBrowserSettings] instead.
diff --git a/lib/src/chrome_safari_browser/chrome_safari_browser_settings.dart b/lib/src/chrome_safari_browser/chrome_safari_browser_settings.dart
index 9ccc8cbb..a9ccc7ff 100755
--- a/lib/src/chrome_safari_browser/chrome_safari_browser_settings.dart
+++ b/lib/src/chrome_safari_browser/chrome_safari_browser_settings.dart
@@ -5,7 +5,7 @@ import 'package:flutter/foundation.dart';
 
 import '../util.dart';
 import 'android/chrome_custom_tabs_options.dart';
-import 'ios/safari_options.dart';
+import 'apple/safari_options.dart';
 import '../types.dart';
 
 class ChromeSafariBrowserOptions {
diff --git a/lib/src/chrome_safari_browser/main.dart b/lib/src/chrome_safari_browser/main.dart
index 0316d2e9..c11753f1 100644
--- a/lib/src/chrome_safari_browser/main.dart
+++ b/lib/src/chrome_safari_browser/main.dart
@@ -1,4 +1,4 @@
 export 'chrome_safari_browser.dart';
 export 'chrome_safari_browser_settings.dart';
 export 'android/main.dart';
-export 'ios/main.dart';
+export 'apple/main.dart';
diff --git a/lib/src/in_app_browser/ios/in_app_browser_options.dart b/lib/src/in_app_browser/apple/in_app_browser_options.dart
similarity index 98%
rename from lib/src/in_app_browser/ios/in_app_browser_options.dart
rename to lib/src/in_app_browser/apple/in_app_browser_options.dart
index 3120b101..bb97f346 100755
--- a/lib/src/in_app_browser/ios/in_app_browser_options.dart
+++ b/lib/src/in_app_browser/apple/in_app_browser_options.dart
@@ -1,6 +1,6 @@
 import 'dart:ui';
 
-import '../../in_app_webview/ios/in_app_webview_options.dart';
+import '../../in_app_webview/apple/in_app_webview_options.dart';
 
 import '../in_app_browser_settings.dart';
 import '../in_app_browser.dart';
diff --git a/lib/src/in_app_browser/ios/main.dart b/lib/src/in_app_browser/apple/main.dart
similarity index 100%
rename from lib/src/in_app_browser/ios/main.dart
rename to lib/src/in_app_browser/apple/main.dart
diff --git a/lib/src/in_app_browser/in_app_browser_settings.dart b/lib/src/in_app_browser/in_app_browser_settings.dart
index 3009d192..023829bd 100755
--- a/lib/src/in_app_browser/in_app_browser_settings.dart
+++ b/lib/src/in_app_browser/in_app_browser_settings.dart
@@ -11,8 +11,8 @@ import '../in_app_webview/in_app_webview_settings.dart';
 import 'android/in_app_browser_options.dart';
 import '../in_app_webview/android/in_app_webview_options.dart';
 
-import 'ios/in_app_browser_options.dart';
-import '../in_app_webview/ios/in_app_webview_options.dart';
+import 'apple/in_app_browser_options.dart';
+import '../in_app_webview/apple/in_app_webview_options.dart';
 
 class BrowserOptions {
   Map<String, dynamic> toMap() {
diff --git a/lib/src/in_app_browser/main.dart b/lib/src/in_app_browser/main.dart
index b1c350a0..069ebf66 100644
--- a/lib/src/in_app_browser/main.dart
+++ b/lib/src/in_app_browser/main.dart
@@ -1,4 +1,4 @@
 export 'in_app_browser.dart';
 export 'in_app_browser_settings.dart';
 export 'android/main.dart';
-export 'ios/main.dart';
+export 'apple/main.dart';
diff --git a/lib/src/in_app_webview/ios/in_app_webview_controller.dart b/lib/src/in_app_webview/apple/in_app_webview_controller.dart
similarity index 100%
rename from lib/src/in_app_webview/ios/in_app_webview_controller.dart
rename to lib/src/in_app_webview/apple/in_app_webview_controller.dart
diff --git a/lib/src/in_app_webview/ios/in_app_webview_options.dart b/lib/src/in_app_webview/apple/in_app_webview_options.dart
similarity index 100%
rename from lib/src/in_app_webview/ios/in_app_webview_options.dart
rename to lib/src/in_app_webview/apple/in_app_webview_options.dart
diff --git a/lib/src/in_app_webview/ios/main.dart b/lib/src/in_app_webview/apple/main.dart
similarity index 100%
rename from lib/src/in_app_webview/ios/main.dart
rename to lib/src/in_app_webview/apple/main.dart
diff --git a/lib/src/in_app_webview/in_app_webview_controller.dart b/lib/src/in_app_webview/in_app_webview_controller.dart
index 446cd5b4..daebf88c 100644
--- a/lib/src/in_app_webview/in_app_webview_controller.dart
+++ b/lib/src/in_app_webview/in_app_webview_controller.dart
@@ -10,7 +10,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 
 import 'android/in_app_webview_controller.dart';
-import 'ios/in_app_webview_controller.dart';
+import 'apple/in_app_webview_controller.dart';
 
 import '../context_menu.dart';
 import '../types.dart';
@@ -2295,12 +2295,27 @@ class InAppWebViewController
   ///Returns an instance of [Color] representing the `content` value of the
   ///`<meta name="theme-color" content="">` tag of the current WebView, if available, otherwise `null`.
   ///
-  ///**NOTE**: It is implemented using JavaScript.
+  ///**NOTE**: on Android and iOS < 15.0, it is implemented using JavaScript.
   ///
   ///**Supported Platforms/Implementations**:
   ///- Android native WebView
-  ///- iOS
+  ///- iOS ([Official API - WKWebView.themeColor](https://developer.apple.com/documentation/webkit/wkwebview/3794258-themecolor))
   Future<Color?> getMetaThemeColor() async {
+    Color? themeColor;
+
+    try {
+      Map<String, dynamic> args = <String, dynamic>{};
+      themeColor = UtilColor.fromStringRepresentation(await _channel.invokeMethod('getMetaThemeColor', args));
+    } catch (e) {
+      // not implemented
+    }
+
+    if (themeColor != null) {
+      return themeColor;
+    }
+
+    // try using javascript
+
     var metaTags = await getMetaTags();
     MetaTag? metaTagThemeColor;
 
@@ -2317,9 +2332,11 @@ class InAppWebViewController
 
     var colorValue = metaTagThemeColor.content;
 
-    return colorValue != null
+    themeColor = colorValue != null
         ? UtilColor.fromStringRepresentation(colorValue)
         : null;
+
+    return themeColor;
   }
 
   ///Returns the scrolled left position of the current WebView.
diff --git a/lib/src/in_app_webview/in_app_webview_settings.dart b/lib/src/in_app_webview/in_app_webview_settings.dart
index 75ca27fb..d5becaca 100755
--- a/lib/src/in_app_webview/in_app_webview_settings.dart
+++ b/lib/src/in_app_webview/in_app_webview_settings.dart
@@ -4,7 +4,7 @@ import 'dart:ui';
 import 'package:flutter/foundation.dart';
 
 import 'android/in_app_webview_options.dart';
-import 'ios/in_app_webview_options.dart';
+import 'apple/in_app_webview_options.dart';
 import '../content_blocker.dart';
 import '../types.dart';
 import '../util.dart';
@@ -956,6 +956,46 @@ class InAppWebViewSettings
   ///- iOS
   bool disableInputAccessoryView;
 
+  ///The color the web view displays behind the active page, visible when the user scrolls beyond the bounds of the page.
+  ///
+  ///The web view derives the default value of this property from the content of the page,
+  ///using the background colors of the `<html>` and `<body>` elements with the background color of the web view.
+  ///To override the default color, set this property to a new color.
+  ///
+  ///**NOTE**: available on iOS 15.0+.
+  ///
+  ///**Supported Platforms/Implementations**:
+  ///- iOS
+  Color? underPageBackgroundColor;
+
+  ///A Boolean value indicating whether text interaction is enabled or not.
+  ///The default value is `true`.
+  ///
+  ///**NOTE**: available on iOS 14.5+.
+  ///
+  ///**Supported Platforms/Implementations**:
+  ///- iOS
+  bool isTextInteractionEnabled;
+
+  ///A Boolean value indicating whether WebKit will apply built-in workarounds (quirks)
+  ///to improve compatibility with certain known websites. You can disable site-specific quirks
+  ///to help test your website without these workarounds. The default value is `true`.
+  ///
+  ///**NOTE**: available on iOS 15.0+.
+  ///
+  ///**Supported Platforms/Implementations**:
+  ///- iOS
+  bool isSiteSpecificQuirksModeEnabled;
+
+  ///A Boolean value indicating whether HTTP requests to servers known to support HTTPS should be automatically upgraded to HTTPS requests.
+  ///The default value is `true`.
+  ///
+  ///**NOTE**: available on iOS 14.5+.
+  ///
+  ///**Supported Platforms/Implementations**:
+  ///- iOS
+  bool upgradeKnownHostsToHTTPS;
+
   InAppWebViewSettings(
       {this.useShouldOverrideUrlLoading = false,
       this.useOnLoadResource = false,
@@ -1071,7 +1111,11 @@ class InAppWebViewSettings
       this.applePayAPIEnabled = false,
       this.allowingReadAccessTo,
       this.disableLongPressContextMenuOnLinks = false,
-      this.disableInputAccessoryView = false}) {
+      this.disableInputAccessoryView = false,
+      this.underPageBackgroundColor,
+      this.isTextInteractionEnabled = true,
+      this.isSiteSpecificQuirksModeEnabled = true,
+      this.upgradeKnownHostsToHTTPS = true}) {
     if (this.minimumFontSize == null)
       this.minimumFontSize =
           defaultTargetPlatform == TargetPlatform.android ? 8 : 0;
@@ -1210,6 +1254,10 @@ class InAppWebViewSettings
       "allowingReadAccessTo": allowingReadAccessTo.toString(),
       "disableLongPressContextMenuOnLinks": disableLongPressContextMenuOnLinks,
       "disableInputAccessoryView": disableInputAccessoryView,
+      "underPageBackgroundColor": underPageBackgroundColor?.toHex(),
+      "isTextInteractionEnabled": isTextInteractionEnabled,
+      "isSiteSpecificQuirksModeEnabled": isSiteSpecificQuirksModeEnabled,
+      "upgradeKnownHostsToHTTPS": upgradeKnownHostsToHTTPS
     };
   }
 
@@ -1382,6 +1430,10 @@ class InAppWebViewSettings
       settings.disableLongPressContextMenuOnLinks =
       map["disableLongPressContextMenuOnLinks"];
       settings.disableInputAccessoryView = map["disableInputAccessoryView"];
+      settings.underPageBackgroundColor = UtilColor.fromHex(map["underPageBackgroundColor"]);
+      settings.isTextInteractionEnabled = map["isTextInteractionEnabled"];
+      settings.isSiteSpecificQuirksModeEnabled = map["isSiteSpecificQuirksModeEnabled"];
+      settings.upgradeKnownHostsToHTTPS = map["upgradeKnownHostsToHTTPS"];
     }
     return settings;
   }
diff --git a/lib/src/in_app_webview/main.dart b/lib/src/in_app_webview/main.dart
index ce27e378..105ca7ef 100644
--- a/lib/src/in_app_webview/main.dart
+++ b/lib/src/in_app_webview/main.dart
@@ -4,4 +4,4 @@ export 'in_app_webview_controller.dart';
 export 'in_app_webview_settings.dart';
 export 'headless_in_app_webview.dart';
 export 'android/main.dart';
-export 'ios/main.dart';
+export 'apple/main.dart';
diff --git a/lib/src/main.dart b/lib/src/main.dart
index 09470a5f..69027c99 100644
--- a/lib/src/main.dart
+++ b/lib/src/main.dart
@@ -2,7 +2,7 @@ export 'in_app_webview/main.dart';
 export 'in_app_browser/main.dart';
 export 'chrome_safari_browser/main.dart';
 export 'android/main.dart';
-export 'ios/main.dart';
+export 'apple/main.dart';
 export 'x509_certificate/main.dart';
 export 'web_storage/main.dart';
 export 'types.dart';