diff --git a/viewport/src/editor.rs b/viewport/src/editor.rs
index bda2e96..c178ac2 100644
--- a/viewport/src/editor.rs
+++ b/viewport/src/editor.rs
@@ -646,7 +646,7 @@ impl EditorState {
         self.computed_images.retain(|img| !block_ids.contains(&img.anchor.block_id));
 
         let mut new_srcs: Vec<(Anchor, String, String)> = Vec::new();
-        for &(start, block_id) in boundaries {
+        for &(_start, block_id) in boundaries {
             let block = match self.registry.get(&block_id) {
                 Some(b) => b,
                 None => continue,
diff --git a/windows/build.rs b/windows/build.rs
index 0bcf657..3a169c4 100644
--- a/windows/build.rs
+++ b/windows/build.rs
@@ -1,13 +1,12 @@
-use std::process::Command;
-
 fn main() {
     #[cfg(target_os = "windows")]
     {
+        use std::process::Command;
+
         let svg = "../assets/Acord.svg";
         let ico = "icon.ico";
         let tmp = "icon_tmp";
 
-        // Only regenerate on release builds or when the SVG changes.
         println!("cargo:rerun-if-changed={svg}");
 
         let _ = std::fs::create_dir_all(tmp);
@@ -23,7 +22,7 @@ fn main() {
                 .map(|s| s.success())
                 .unwrap_or(false);
             if !ok {
-                eprintln!("cargo:warning=rsvg-convert failed for {size}px — skipping icon embed");
+                eprintln!("cargo:warning=rsvg-convert not found or failed — building without icon");
                 let _ = std::fs::remove_dir_all(tmp);
                 return;
             }
@@ -40,12 +39,14 @@ fn main() {
         let _ = std::fs::remove_dir_all(tmp);
 
         if !ok {
-            eprintln!("cargo:warning=magick ico conversion failed — skipping icon embed");
+            eprintln!("cargo:warning=magick (ImageMagick) not found — building without icon");
             return;
         }
 
         let mut res = winres::WindowsResource::new();
         res.set_icon(ico);
-        res.compile().expect("winres icon embed");
+        if let Err(e) = res.compile() {
+            eprintln!("cargo:warning=winres failed: {e} — building without icon");
+        }
     }
 }
diff --git a/windows/src/app.rs b/windows/src/app.rs
index ef310d9..1e26eb9 100644
--- a/windows/src/app.rs
+++ b/windows/src/app.rs
@@ -1,4 +1,4 @@
-use std::ffi::{c_void, CString};
+use std::ffi::CString;
 
 use winit::application::ApplicationHandler;
 use winit::dpi::{LogicalSize, PhysicalPosition};
@@ -22,9 +22,10 @@ pub struct App {
     window: Option<Window>,
     handle: *mut ViewportHandle,
     config: Config,
-    menu: Option<AppMenu>,
+    _menu: Option<AppMenu>,
     cursor_pos: PhysicalPosition<f64>,
     scale: f32,
+    modifiers: ModifiersState,
 }
 
 impl App {
@@ -33,9 +34,10 @@ impl App {
             window: None,
             handle: std::ptr::null_mut(),
             config: Config::load(),
-            menu: None,
+            _menu: None,
             cursor_pos: PhysicalPosition::new(0.0, 0.0),
             scale: 1.0,
+            modifiers: ModifiersState::empty(),
         }
     }
 
@@ -178,7 +180,7 @@ impl ApplicationHandler for App {
                 unsafe { app_menu.menu.init_for_hwnd(h.hwnd.get()).ok(); }
             }
         }
-        self.menu = Some(app_menu);
+        self._menu = Some(app_menu);
         self.window = Some(window);
     }
 
@@ -252,20 +254,15 @@ impl ApplicationHandler for App {
                     .unwrap_or(std::ptr::null());
 
                 let keycode = winit_key_to_code(&event.logical_key);
-                let modifiers = if let Some(w) = &self.window {
-                    // No direct modifier query on winit 0.30 Window.
-                    // Modifiers come via ModifiersChanged. We track them.
-                    0u32
-                } else {
-                    0u32
-                };
+                let mod_flags = encode_modifiers(self.modifiers);
 
                 acord_viewport::viewport_key_event(
-                    self.handle, keycode, modifiers, pressed, text_ptr,
+                    self.handle, keycode, mod_flags, pressed, text_ptr,
                 );
             }
 
             WindowEvent::ModifiersChanged(mods) => {
+                self.modifiers = mods.state();
                 if !self.handle.is_null() {
                     let state = mods.state();
                     let h = unsafe { &mut *self.handle };
diff --git a/windows/src/config.rs b/windows/src/config.rs
index a387da2..bcde3e2 100644
--- a/windows/src/config.rs
+++ b/windows/src/config.rs
@@ -1,11 +1,14 @@
 use std::collections::HashMap;
 use std::path::PathBuf;
 
+#[allow(dead_code)]
 pub struct Config {
     path: PathBuf,
     data: HashMap<String, String>,
 }
 
+#[allow(dead_code)]
+
 impl Config {
     pub fn load() -> Self {
         let dir = config_dir();
diff --git a/windows/src/main.rs b/windows/src/main.rs
index ae7fe82..04a1859 100644
--- a/windows/src/main.rs
+++ b/windows/src/main.rs
@@ -1,3 +1,6 @@
+// Hide the console window on release builds.
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
 mod app;
 mod config;
 mod menu;
diff --git a/windows/src/menu.rs b/windows/src/menu.rs
index 12d2808..b4acc8d 100644
--- a/windows/src/menu.rs
+++ b/windows/src/menu.rs
@@ -2,6 +2,7 @@ use muda::{Menu, MenuEvent, MenuItem, PredefinedMenuItem, Submenu, accelerator::
 use muda::accelerator::{Code, Modifiers};
 
 pub struct AppMenu {
+    #[allow(dead_code)]
     pub menu: Menu,
 }