From 46323ce06b54cc81632d647bef91c1daa85f8a17 Mon Sep 17 00:00:00 2001
From: Ernest Badu <55922827+Ernxst@users.noreply.github.com>
Date: Tue, 22 Sep 2026 00:32:43 +0100
Subject: [PATCH 1/2] fix: pump AppKit immediately after init

The first frame-loop tick waited `frameMs` (8ms) before pumping AppKit,
delaying the post-show occlusion pump that reports the window visible.
Run the first idle tick synchronously instead of scheduling it.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
---
 packages/react/src/reconciler/renderer.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/react/src/reconciler/renderer.ts b/packages/react/src/reconciler/renderer.ts
index 5add153d..aeaa22bd 100644
--- a/packages/react/src/reconciler/renderer.ts
+++ b/packages/react/src/reconciler/renderer.ts
@@ -186,7 +186,10 @@ export function startFrameLoop(
   }
 
   if (nativeFrameSource) {
-    scheduleTimer(() => drive("idle"), frameMs)
+    // Pump AppKit immediately rather than waiting `frameMs`: the first idle
+    // tick is what runs the post-show occlusion pump, and delaying it here
+    // only adds to the time before the window is reported visible.
+    drive("idle")
   } else {
     drive("timer")
   }

From 3085b9d689f8c3f443f9e9f75910738b6918760f Mon Sep 17 00:00:00 2001
From: Ernest Badu <55922827+Ernxst@users.noreply.github.com>
Date: Tue, 22 Sep 2026 00:32:50 +0100
Subject: [PATCH 2/2] fix: install default menus after the second frame

The default menu bar (no `menus` option) loads WritingToolsUI and, with
it, SwiftUI, WebKit and about a hundred other frameworks, all before the
window's first present. Defer that install until after the window's
second frame; a caller-supplied menu spec still installs synchronously
during init so an invalid spec still fails `init()` immediately.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
---
 packages/native/src/renderer.rs | 27 ++++++++++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

diff --git a/packages/native/src/renderer.rs b/packages/native/src/renderer.rs
index 0ab90125..0e213b16 100644
--- a/packages/native/src/renderer.rs
+++ b/packages/native/src/renderer.rs
@@ -3095,9 +3095,17 @@ impl GpuixRenderer {
             init_key_bindings(cx);
             crate::custom_elements::input::init(cx);
             init_application_menu_support(cx, Some(application_callback.clone()));
-            if let Err(error) = install_application_menus(cx, &app_name, menus) {
-                *startup_error_for_app.borrow_mut() = Some(error);
-                return;
+            // Default menus (`menus: None`) load WritingToolsUI and, with it,
+            // SwiftUI, WebKit and about a hundred other frameworks; deferred
+            // below until after the second frame so it does not delay the
+            // first present. Caller-supplied menus are cheap and installed
+            // now so `open_window` observes any invalid spec immediately.
+            let defer_default_menus = menus.is_none();
+            if !defer_default_menus {
+                if let Err(error) = install_application_menus(cx, &app_name, menus) {
+                    *startup_error_for_app.borrow_mut() = Some(error);
+                    return;
+                }
             }
             let window_size = gpui::size(gpui::px(width as f32), gpui::px(height as f32));
             #[cfg(feature = "display-discovery-fault-injection")]
@@ -3139,6 +3147,19 @@ impl GpuixRenderer {
                                 .ok();
                         }
                     }
+                    if defer_default_menus {
+                        let app_name = app_name.clone();
+                        window_handle
+                            .update(cx, |_view, window, _cx| {
+                                window.on_next_frame(move |window, _cx| {
+                                    window.on_next_frame(move |_window, cx| {
+                                        // The default-menu path cannot fail.
+                                        let _ = install_application_menus(cx, &app_name, None);
+                                    });
+                                });
+                            })
+                            .ok();
+                    }
                 }
                 Err(error) => {
                     *startup_error_for_app.borrow_mut() = Some(error.to_string());