diff --git a/examples/core-transparent-window/App.zig b/examples/core-transparent-window/App.zig
index 04276375..e4fd7549 100644
--- a/examples/core-transparent-window/App.zig
+++ b/examples/core-transparent-window/App.zig
@@ -31,6 +31,7 @@ pub fn init(
 
     const window = try core.windows.new(.{
         .title = "core-transparent-window",
+        .vsync_mode = .triple,
     });
 
     // Store our render pipeline in our module's state, so we can access it later on.
@@ -153,7 +154,7 @@ pub fn tick(app: *App, core: *mach.Core) void {
         app.title_timer.reset();
         // TODO(object): window-title
 
-        // try updateWindowTitle(core);
+        core.windows.set(app.window, .title, std.fmt.allocPrintZ(core.allocator, "core-custom-entrypoint [ {d}fps ] [ Input {d}hz ]", .{ core.frame.rate, core.input.rate }) catch unreachable);
     }
 
     if (app.color_time >= 4.0 or app.color_time <= 0.0) {
diff --git a/src/core/Darwin.zig b/src/core/Darwin.zig
index ef58e19a..81dea09f 100644
--- a/src/core/Darwin.zig
+++ b/src/core/Darwin.zig
@@ -22,6 +22,7 @@ pub const Darwin = @This();
 
 pub const Native = struct {
     window: *objc.app_kit.Window = undefined,
+    view: *objc.mach.View = undefined,
 };
 
 pub const Context = struct {
@@ -69,6 +70,7 @@ pub fn tick(core: *Core) !void {
 
         if (core_window.native) |native| {
             const native_window: *objc.app_kit.Window = native.window;
+            const native_view: *objc.mach.View = native.view;
 
             if (core.windows.updated(window_id, .color)) {
                 switch (core_window.color) {
@@ -81,6 +83,7 @@ pub fn tick(core: *Core) !void {
                         );
                         native_window.setBackgroundColor(color);
                         native_window.setTitlebarAppearsTransparent(true);
+                        native_view.layer().setOpaque(false);
                     },
                     .solid => |wc| {
                         const color = objc.app_kit.Color.colorWithRed_green_blue_alpha(
@@ -91,9 +94,11 @@ pub fn tick(core: *Core) !void {
                         );
                         native_window.setBackgroundColor(color);
                         native_window.setTitlebarAppearsTransparent(false);
+                        native_view.layer().setOpaque(true);
                     },
                     .system => {
                         native_window.setTitlebarAppearsTransparent(false);
+                        native_view.layer().setOpaque(true);
                     },
                 }
             }
@@ -130,8 +135,9 @@ fn initWindow(
     const layer = objc.quartz_core.MetalLayer.new();
     defer layer.release();
 
-    layer.setDisplaySyncEnabled(true);
-    layer.setOpaque(false);
+    if (core_window.color == .transparent) {
+        layer.setOpaque(false);
+    }
 
     metal_descriptor.* = .{
         .layer = layer,
@@ -241,7 +247,7 @@ fn initWindow(
 
         // Set core_window.native, which we use to check if a window is initialized
         // Then call core.initWindow to finish initializing the window
-        core_window.native = .{ .window = native_window };
+        core_window.native = .{ .window = native_window, .view = view };
         core.windows.setValueRaw(window_id, core_window);
         try core.initWindow(window_id);
     } else std.debug.panic("mach: window failed to initialize", .{});
diff --git a/src/sysgpu/metal.zig b/src/sysgpu/metal.zig
index 0243b24b..d6b9576b 100644
--- a/src/sysgpu/metal.zig
+++ b/src/sysgpu/metal.zig
@@ -480,11 +480,14 @@ pub const SwapChain = struct {
 
         if (swapchain.current_drawable) |_| {
             const queue = try swapchain.device.getQueue();
-            const command_buffer = queue.command_queue.commandBuffer() orelse {
+            const command_buffer: *mtl.CommandBuffer = queue.command_queue.commandBuffer() orelse {
                 return error.NewCommandBufferFailed;
             };
+
             command_buffer.presentDrawable(@ptrCast(swapchain.current_drawable)); // TODO - objc casting?
             command_buffer.commit();
+            if (swapchain.surface.layer.displaySyncEnabled())
+                command_buffer.waitUntilScheduled();
         }
     }
 };