diff --git a/decorated-window/api/decorated-window.api b/decorated-window/api/decorated-window.api
index d84dece450..5264dffd10 100644
--- a/decorated-window/api/decorated-window.api
+++ b/decorated-window/api/decorated-window.api
@@ -49,6 +49,13 @@ public abstract interface class com/jetbrains/WindowMove {
 	public abstract fun startMovingTogetherWithMouse (Ljava/awt/Window;I)V
 }
 
+public final class org/jetbrains/jewel/window/ComposableSingletons$TitleBarKt {
+	public static final field INSTANCE Lorg/jetbrains/jewel/window/ComposableSingletons$TitleBarKt;
+	public static field lambda-1 Lkotlin/jvm/functions/Function2;
+	public fun <init> ()V
+	public final fun getLambda-1$decorated_window ()Lkotlin/jvm/functions/Function2;
+}
+
 public final class org/jetbrains/jewel/window/DecoratedWindowKt {
 	public static final fun DecoratedWindow (Lkotlin/jvm/functions/Function0;Landroidx/compose/ui/window/WindowState;ZLjava/lang/String;Landroidx/compose/ui/graphics/painter/Painter;ZZZZLkotlin/jvm/functions/Function1;Lkotlin/jvm/functions/Function1;Lorg/jetbrains/jewel/window/styling/DecoratedWindowStyle;Lkotlin/jvm/functions/Function3;Landroidx/compose/runtime/Composer;III)V
 }
diff --git a/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.MacOS.kt b/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.MacOS.kt
index 4d46f32b11..2db0326332 100644
--- a/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.MacOS.kt
+++ b/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.MacOS.kt
@@ -1,6 +1,8 @@
 package org.jetbrains.jewel.window
 
 import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
@@ -64,22 +66,30 @@ internal fun DecoratedWindowScope.TitleBarOnMacOs(
             }
         }
 
+    // These properties also have a typoed name, so just in case, we set them both.
     if (newFullscreenControls) {
-        System.setProperty("apple.awt.newFullScreeControls", true.toString())
+        System.setProperty("apple.awt.newFullScreeControls", "true")
+        System.setProperty("apple.awt.newFullScreenControls", "true")
         System.setProperty(
             "apple.awt.newFullScreeControls.background",
             "${style.colors.fullscreenControlButtonsBackground.toArgb()}",
         )
+        System.setProperty(
+            "apple.awt.newFullScreenControls.background",
+            "${style.colors.fullscreenControlButtonsBackground.toArgb()}",
+        )
         MacUtil.updateColors(window)
     } else {
         System.clearProperty("apple.awt.newFullScreeControls")
+        System.clearProperty("apple.awt.newFullScreenControls")
         System.clearProperty("apple.awt.newFullScreeControls.background")
+        System.clearProperty("apple.awt.newFullScreenControls.background")
     }
 
     val titleBar = remember { JBR.getWindowDecorations().createCustomTitleBar() }
 
     TitleBarImpl(
-        modifier = modifier.customTitleBarMouseEventHandler(titleBar),
+        modifier = modifier,
         gradientStartColor = gradientStartColor,
         style = style,
         applyTitleBar = { height, state ->
@@ -95,6 +105,7 @@ internal fun DecoratedWindowScope.TitleBarOnMacOs(
                 PaddingValues(start = titleBar.leftInset.dp, end = titleBar.rightInset.dp)
             }
         },
+        backgroundContent = { Spacer(modifier = modifier.fillMaxSize().customTitleBarMouseEventHandler(titleBar)) },
         content = content,
     )
 }
diff --git a/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.Windows.kt b/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.Windows.kt
index efef53dea4..88dde47b44 100644
--- a/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.Windows.kt
+++ b/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.Windows.kt
@@ -7,14 +7,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.input.pointer.PointerEventPass
-import androidx.compose.ui.input.pointer.PointerEventType
-import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.unit.dp
 import com.jetbrains.JBR
-import com.jetbrains.WindowDecorations.CustomTitleBar
-import kotlinx.coroutines.currentCoroutineContext
-import kotlinx.coroutines.isActive
 import org.jetbrains.jewel.foundation.theme.JewelTheme
 import org.jetbrains.jewel.ui.util.isDark
 import org.jetbrains.jewel.window.styling.TitleBarStyle
@@ -38,33 +32,7 @@ internal fun DecoratedWindowScope.TitleBarOnWindows(
             JBR.getWindowDecorations().setCustomTitleBar(window, titleBar)
             PaddingValues(start = titleBar.leftInset.dp, end = titleBar.rightInset.dp)
         },
-        backgroundContent = {
-            Spacer(modifier = modifier.fillMaxSize().customTitleBarMouseEventHandler(titleBar))
-        },
+        backgroundContent = { Spacer(modifier = modifier.fillMaxSize().customTitleBarMouseEventHandler(titleBar)) },
         content = content,
     )
 }
-
-internal fun Modifier.customTitleBarMouseEventHandler(titleBar: CustomTitleBar): Modifier =
-    pointerInput(Unit) {
-        val currentContext = currentCoroutineContext()
-        awaitPointerEventScope {
-            var inUserControl = false
-            while (currentContext.isActive) {
-                val event = awaitPointerEvent(PointerEventPass.Main)
-                event.changes.forEach {
-                    if (!it.isConsumed && !inUserControl) {
-                        titleBar.forceHitTest(false)
-                    } else {
-                        if (event.type == PointerEventType.Press) {
-                            inUserControl = true
-                        }
-                        if (event.type == PointerEventType.Release) {
-                            inUserControl = false
-                        }
-                        titleBar.forceHitTest(true)
-                    }
-                }
-            }
-        }
-    }
diff --git a/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.kt b/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.kt
index a5559a4187..9a6a91db48 100644
--- a/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.kt
+++ b/decorated-window/src/main/kotlin/org/jetbrains/jewel/window/TitleBar.kt
@@ -20,6 +20,9 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.graphics.isUnspecified
 import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.input.pointer.PointerEventPass
+import androidx.compose.ui.input.pointer.PointerEventType
+import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.layout.Layout
 import androidx.compose.ui.layout.Measurable
 import androidx.compose.ui.layout.MeasurePolicy
@@ -40,8 +43,12 @@ import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.offset
+import com.jetbrains.WindowDecorations.CustomTitleBar
 import java.awt.Window
+import kotlin.collections.forEach
 import kotlin.math.max
+import kotlinx.coroutines.currentCoroutineContext
+import kotlinx.coroutines.isActive
 import org.jetbrains.jewel.foundation.theme.JewelTheme
 import org.jetbrains.jewel.foundation.theme.LocalContentColor
 import org.jetbrains.jewel.foundation.theme.OverrideDarkMode
@@ -106,13 +113,14 @@ internal fun DecoratedWindowScope.TitleBarImpl(
         }
 
     Box(
-        modifier = modifier
-            .background(backgroundBrush)
-            .focusProperties { canFocus = false }
-            .layoutId(TITLE_BAR_LAYOUT_ID)
-            .height(style.metrics.height)
-            .onSizeChanged { with(density) { applyTitleBar(it.height.toDp(), state) } }
-            .fillMaxWidth()
+        modifier =
+            modifier
+                .background(backgroundBrush)
+                .focusProperties { canFocus = false }
+                .layoutId(TITLE_BAR_LAYOUT_ID)
+                .height(style.metrics.height)
+                .onSizeChanged { with(density) { applyTitleBar(it.height.toDp(), state) } }
+                .fillMaxWidth()
     ) {
         backgroundContent()
         Layout(
@@ -280,3 +288,28 @@ private class TitleBarChildDataNode(var horizontalAlignment: Alignment.Horizonta
     ParentDataModifierNode, Modifier.Node() {
     override fun Density.modifyParentData(parentData: Any?) = this@TitleBarChildDataNode
 }
+
+internal fun Modifier.customTitleBarMouseEventHandler(titleBar: CustomTitleBar): Modifier =
+    pointerInput(Unit) {
+        val currentContext = currentCoroutineContext()
+        awaitPointerEventScope {
+            var inUserControl = false
+            while (currentContext.isActive) {
+                val event = awaitPointerEvent(PointerEventPass.Main)
+                event.changes.forEach { change ->
+                    if (!change.isConsumed && !inUserControl) {
+                        titleBar.forceHitTest(false)
+                    } else {
+                        if (event.type == PointerEventType.Press) {
+                            inUserControl = true
+                        } else if (event.type == PointerEventType.Release) {
+                            inUserControl = false
+                        }
+
+                        titleBar.forceHitTest(true)
+                    }
+                    change.toString()
+                }
+            }
+        }
+    }