diff --git a/src/Controls/src/Core/ListStringTypeConverter.cs b/src/Controls/src/Core/ListStringTypeConverter.cs
index 5e36f894785b..58f63ab046b3 100644
--- a/src/Controls/src/Core/ListStringTypeConverter.cs
+++ b/src/Controls/src/Core/ListStringTypeConverter.cs
@@ -1,4 +1,3 @@
-#nullable disable
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -11,25 +10,31 @@ namespace Microsoft.Maui.Controls
 	[Xaml.ProvideCompiled("Microsoft.Maui.Controls.XamlC.ListStringTypeConverter")]
 	public class ListStringTypeConverter : TypeConverter
 	{
-		public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
+		public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType)
 			=> sourceType == typeof(string);
 
-		public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
+		public override bool CanConvertTo(ITypeDescriptorContext? context, Type? destinationType)
 			=> destinationType == typeof(string);
 
-		public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
+		public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)
 		{
 			var strValue = value?.ToString();
-			if (strValue == null)
+			
+			if (strValue is null)
+			{
 				return null;
+			}
 
 			return strValue.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(s => s.Trim()).ToList();
 		}
 
-		public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
+		public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)
 		{
 			if (value is not List<string> list)
+			{
 				throw new NotSupportedException();
+			}
+
 			return string.Join(", ", list);
 		}
 	}
diff --git a/src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt
index fa772f504318..0ad46d39b58e 100644
--- a/src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt
@@ -194,3 +194,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Subscribe<TSender>(object subscriber, string message, System.Action<TSender> callback, TSender source = null) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender, TArgs>(object subscriber, string message) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender>(object subscriber, string message) -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file
diff --git a/src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt
index caa05b5e4c9e..5a828ae265ce 100644
--- a/src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt
@@ -389,3 +389,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*override Microsoft.Maui.Controls.Handlers.Compatibility.FrameRenderer.SetNeedsLayout() -> void
 *REMOVED*override Microsoft.Maui.Controls.Handlers.Compatibility.FrameRenderer.MovedToWindow() -> void
 override Microsoft.Maui.Controls.Handlers.Compatibility.VisualElementRenderer<TElement>.MovedToWindow() -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file
diff --git a/src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt
index d156363249e9..f310c0e7d9da 100644
--- a/src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt
@@ -389,3 +389,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*override Microsoft.Maui.Controls.Handlers.Compatibility.FrameRenderer.SetNeedsLayout() -> void
 *REMOVED*override Microsoft.Maui.Controls.Handlers.Compatibility.FrameRenderer.MovedToWindow() -> void
 override Microsoft.Maui.Controls.Handlers.Compatibility.VisualElementRenderer<TElement>.MovedToWindow() -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file
diff --git a/src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt
index b61334840f5b..7f2601b92301 100644
--- a/src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt
@@ -187,3 +187,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Subscribe<TSender>(object subscriber, string message, System.Action<TSender> callback, TSender source = null) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender, TArgs>(object subscriber, string message) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender>(object subscriber, string message) -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file
diff --git a/src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt
index bc3b496f9025..c6a10e958d07 100644
--- a/src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt
@@ -193,3 +193,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Subscribe<TSender>(object subscriber, string message, System.Action<TSender> callback, TSender source = null) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender, TArgs>(object subscriber, string message) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender>(object subscriber, string message) -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file
diff --git a/src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt
index 29cbbeb26d1c..a73e25077217 100644
--- a/src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt
@@ -188,3 +188,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Subscribe<TSender>(object subscriber, string message, System.Action<TSender> callback, TSender source = null) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender, TArgs>(object subscriber, string message) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender>(object subscriber, string message) -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file
diff --git a/src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt b/src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt
index b61334840f5b..7f2601b92301 100644
--- a/src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt
+++ b/src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt
@@ -187,3 +187,7 @@ Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific.UIModalPresentationSty
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Subscribe<TSender>(object subscriber, string message, System.Action<TSender> callback, TSender source = null) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender, TArgs>(object subscriber, string message) -> void
 *REMOVED*~static Microsoft.Maui.Controls.MessagingCenter.Unsubscribe<TSender>(object subscriber, string message) -> void
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Type! sourceType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Type? destinationType) -> bool
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object! value) -> object?
+override Microsoft.Maui.Controls.ListStringTypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, System.Type! destinationType) -> object?
\ No newline at end of file