Fix safe area defaults

src/Controls/src/Core/Border/Border.cs

@@ -357,6 +357,12 @@ SafeAreaRegions ISafeAreaView2.GetSafeAreaRegionsForEdge(int edge)
 			// Use direct property
 			var regionForEdge = SafeAreaEdges.GetEdge(edge);
 
+			if (regionForEdge == SafeAreaRegions.Default)
+			{
+				// If no safe area edges are set, return None
+				return SafeAreaRegions.None;
+			}
+
 			// For Border, return as-is
 			return regionForEdge;
 		}

src/Controls/src/Core/ContentView/ContentView.cs

@@ -88,6 +88,12 @@ SafeAreaRegions ISafeAreaView2.GetSafeAreaRegionsForEdge(int edge)
 			// Use direct property
 			var regionForEdge = SafeAreaEdges.GetEdge(edge);
 
+			if (regionForEdge == SafeAreaRegions.Default)
+			{
+				// If no safe area edges are set, return None
+				return SafeAreaRegions.None;
+			}
+
 			// For ContentView, return the region directly
 			return regionForEdge;
 		}

src/Controls/src/Core/Page/Page.cs

@@ -265,11 +265,15 @@ Thickness ISafeAreaView2.SafeAreaInsets
 		/// <inheritdoc cref="ISafeAreaView2.GetSafeAreaRegionsForEdge"/>
 		SafeAreaRegions ISafeAreaView2.GetSafeAreaRegionsForEdge(int edge)
 		{
-			// Use new SafeAreaElement method
-			var regionForEdge = SafeAreaElement.GetEdgeValue(this, edge);
-
-			// For Page (but not ContentPage), return as-is
-			return regionForEdge;
+			var ignoreSafeArea = ((ISafeAreaView)this).IgnoreSafeArea;
+			if (ignoreSafeArea)
+			{
+				return SafeAreaRegions.None; // If legacy says "ignore", return None (edge-to-edge)
+			}
+			else
+			{
+				return SafeAreaRegions.Container; // If legacy says "don't ignore", return Container
+			}
 		}
 
 		/// <summary>

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28986_Border.cs

@@ -0,0 +1,49 @@
+#if IOS
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	public class Issue28986_Border : _IssuesUITest
+	{
+		public override string Issue => "Test SafeArea Border for per-edge safe area control";
+
+		public Issue28986_Border(TestDevice device) : base(device)
+		{
+		}
+
+		[Test]
+		[Category(UITestCategories.Border)]
+		public void SafeAreaBorderBasicFunctionality()
+		{
+			var borderContent = App.WaitForElement("BorderContent");
+
+			// 1. Ensure SafeAreaEdges is Default
+			var initialSettings = App.FindElement("CurrentSettings").GetText();
+			Assert.That(initialSettings, Does.Contain("Left: Default, Top: Default, Right: Default, Bottom: Default"));
+			var borderWithDefaultSettings = borderContent.GetRect();
+			// Verify that Border starts at Y=5 when SafeAreaEdges is Default
+			// Because the border stroke thickness is 5
+			Assert.That(borderWithDefaultSettings.Y, Is.EqualTo(5), "Border should start at Y=5 when SafeAreaEdges is set to Default");
+
+			// 2. Ensure SafeAreaEdges are set to All
+			App.Tap("ResetAllButton");
+			var allSettings = App.FindElement("CurrentSettings").GetText();
+			Assert.That(allSettings, Does.Contain("Left: All, Top: All, Right: All, Bottom: All"));
+			var borderSafeAreaEdgesAll = App.WaitForElement("BorderContent").GetRect();
+			Assert.That(borderSafeAreaEdgesAll.Y, Is.GreaterThan(borderWithDefaultSettings.Y), "Border should move down (greater Y position) when SafeAreaEdges changes from Default to All");
+
+			// 3. Ensure SafeAreaEdges are set to None (edge-to-edge)
+			App.Tap("ResetNoneButton");
+			var noneSettings = App.FindElement("CurrentSettings").GetText();
+			Assert.That(noneSettings, Does.Contain("Left: None, Top: None, Right: None, Bottom: None"));
+			var borderSafeAreaEdgesNone = App.WaitForElement("BorderContent").GetRect();
+			// Verify that Border position is at Y=5 when SafeAreaEdges is None
+			// This is because the border stroke thickness is 5
+			Assert.That(borderSafeAreaEdgesNone.Y, Is.EqualTo(5),
+				"Border should be at Y=5 when SafeAreaEdges is set to None (edge-to-edge)");
+		}
+	}
+}
+#endif

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28986_ContentView.cs

@@ -0,0 +1,49 @@
+#if IOS
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	public class Issue28986_ContentView : _IssuesUITest
+	{
+		public override string Issue => "Test SafeArea ContentView for per-edge safe area control";
+
+		public Issue28986_ContentView(TestDevice device) : base(device)
+		{
+		}
+
+		[Test]
+		[Category(UITestCategories.Layout)]
+		public void SafeAreaContentViewBasicFunctionality()
+		{
+			var contentViewContent = App.WaitForElement("ContentViewContent");
+
+			// 1. Ensure SafeAreaEdges is Default
+			var initialSettings = App.FindElement("CurrentSettings").GetText();
+			Assert.That(initialSettings, Does.Contain("Left: Default, Top: Default, Right: Default, Bottom: Default"));
+			var contentViewWithDefaultSettings = contentViewContent.GetRect();
+			// Verify that ContentView content starts at Y=0 when SafeAreaEdges is Default
+			Assert.That(contentViewWithDefaultSettings.Y, Is.EqualTo(0),
+				"ContentView should start at Y=0 when SafeAreaEdges is set to Default");
+
+			// 2. Ensure SafeAreaEdges are set to All
+			App.Tap("ResetAllButton");
+			var allSettings = App.FindElement("CurrentSettings").GetText();
+			Assert.That(allSettings, Does.Contain("Left: All, Top: All, Right: All, Bottom: All"));
+			var contentViewSafeAreaEdgesAll = App.WaitForElement("ContentViewContent").GetRect();
+			Assert.That(contentViewSafeAreaEdgesAll.Y, Is.GreaterThan(contentViewWithDefaultSettings.Y),
+				"ContentView should move down (greater Y position) when SafeAreaEdges changes from Default to All");
+
+			// 3. Ensure SafeAreaEdges are set to None (edge-to-edge)
+			App.Tap("ResetNoneButton");
+			var noneSettings = App.FindElement("CurrentSettings").GetText();
+			Assert.That(noneSettings, Does.Contain("Left: None, Top: None, Right: None, Bottom: None"));
+			var contentViewSafeAreaEdgesNone = App.WaitForElement("ContentViewContent").GetRect();
+			// Verify that ContentView position is at Y=0 when SafeAreaEdges is None
+			Assert.That(contentViewSafeAreaEdgesNone.Y, Is.EqualTo(0),
+				"ContentView should be at Y=0 when SafeAreaEdges is set to None (edge-to-edge)");
+		}
+	}
+}
+#endif