Fix Editor TextChanged event trimmed in iOS release builds (.NET 10)

src/Controls/tests/TestCases.HostApp/Issues/EditorTextChangedIOS26.xaml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="Maui.Controls.Sample.Issues.EditorTextChangedIOS26">
+
+  <ContentPage.Content>
+    <VerticalStackLayout Padding="20" Spacing="10">
+      <Label Text="Type text in the editor below. The counter should update as you type."
+             FontSize="14"
+             Margin="0,0,0,10"/>
+
+      <Editor x:Name="TestEditor"
+              AutomationId="TestEditor"
+              Placeholder="Type here to test TextChanged event"
+              HeightRequest="150"
+              TextChanged="OnEditorTextChanged"/>
+
+      <Label x:Name="EventCountLabel"
+             AutomationId="EventCountLabel"
+             Text="TextChanged event count: 0"
+             FontSize="16"
+             FontAttributes="Bold"
+             TextColor="Green"/>
+
+      <Label x:Name="LastTextLabel"
+             AutomationId="LastTextLabel"
+             Text="Last text: (empty)"
+             FontSize="14"
+             TextColor="Blue"/>
+    </VerticalStackLayout>
+  </ContentPage.Content>
+</ContentPage>

src/Controls/tests/TestCases.HostApp/Issues/EditorTextChangedIOS26.xaml.cs

@@ -0,0 +1,21 @@
+namespace Maui.Controls.Sample.Issues
+{
+	[Issue(IssueTracker.Github, 0, "Editor TextChanged event not firing on iOS 26.1 release build",
+		PlatformAffected.iOS)]
+	public partial class EditorTextChangedIOS26 : ContentPage
+	{
+		private int _eventCount = 0;
+
+		public EditorTextChangedIOS26()
+		{
+			InitializeComponent();
+		}
+
+		private void OnEditorTextChanged(object sender, TextChangedEventArgs e)
+		{
+			_eventCount++;
+			EventCountLabel.Text = $"TextChanged event count: {_eventCount}";
+			LastTextLabel.Text = $"Last text: {(string.IsNullOrEmpty(e.NewTextValue) ? "(empty)" : e.NewTextValue)}";
+		}
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/EditorTextChangedIOS26.cs

@@ -0,0 +1,48 @@
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	internal class EditorTextChangedIOS26 : _IssuesUITest
+	{
+		public override string Issue => "Editor TextChanged event not firing on iOS 26.1 release build";
+
+		public EditorTextChangedIOS26(TestDevice device) : base(device)
+		{
+		}
+
+		[Test]
+		[Category(UITestCategories.Editor)]
+		public void EditorTextChangedEventShouldFireOnTextInput()
+		{
+			// Wait for the editor to be visible
+			App.WaitForElement("TestEditor");
+
+			// Verify initial state
+			var initialCount = App.FindElement("EventCountLabel").GetText();
+			Assert.That(initialCount, Is.EqualTo("TextChanged event count: 0"));
+
+			// Type text in the editor
+			App.Tap("TestEditor");
+			App.EnterText("TestEditor", "Hello");
+
+			// Wait a bit for the event to fire
+			App.WaitForElement("EventCountLabel");
+
+			// Verify that TextChanged event was fired
+			var eventCount = App.FindElement("EventCountLabel").GetText();
+			Assert.That(eventCount, Does.Contain("TextChanged event count:"));
+
+			// The count should be greater than 0, indicating the event fired
+			// Extract the number from "TextChanged event count: X"
+			var countText = eventCount.Replace("TextChanged event count:", "").Trim();
+			int count = int.Parse(countText);
+			Assert.That(count, Is.GreaterThan(0), "TextChanged event should have fired at least once");
+
+			// Verify the text was captured
+			var lastText = App.FindElement("LastTextLabel").GetText();
+			Assert.That(lastText, Does.Contain("Hello"), "Last text should contain the entered text");
+		}
+	}
+}

src/Core/src/Platform/iOS/MauiTextView.cs

@@ -154,6 +154,7 @@ void HidePlaceholderIfTextIsPresent(string? value)
 			_placeholderLabel.Hidden = !string.IsNullOrEmpty(value);
 		}
 
+		[UnconditionalSuppressMessage("Memory", "MEM0003", Justification = "Event handler for UITextView.Changed - proven safe in test: MemoryTests.HandlerDoesNotLeak")]
 		void OnChanged(object? sender, EventArgs e)
 		{
 			HidePlaceholderIfTextIsPresent(Text);