diff --git a/Applications/Taskbar/TaskbarWindow.cpp b/Applications/Taskbar/TaskbarWindow.cpp
index 69e5261da2..eb332efdf9 100644
--- a/Applications/Taskbar/TaskbarWindow.cpp
+++ b/Applications/Taskbar/TaskbarWindow.cpp
@@ -45,6 +45,11 @@ GButton* TaskbarWindow::create_button()
     return button;
 }
 
+static bool should_include_window(GWindowType window_type)
+{
+    return window_type == GWindowType::Normal;
+}
+
 void TaskbarWindow::wm_event(GWMEvent& event)
 {
     WindowIdentifier identifier { event.client_id(), event.window_id() };
@@ -58,6 +63,8 @@ void TaskbarWindow::wm_event(GWMEvent& event)
             added_event.rect().to_string().characters(),
             added_event.is_active()
         );
+        if (!should_include_window(added_event.window_type()))
+            break;
         auto& window = m_window_list.ensure_window(identifier);
         window.set_title(added_event.title());
         window.set_rect(added_event.rect());
@@ -86,6 +93,8 @@ void TaskbarWindow::wm_event(GWMEvent& event)
             changed_event.rect().to_string().characters(),
             changed_event.is_active()
         );
+        if (!should_include_window(changed_event.window_type()))
+            break;
         auto& window = m_window_list.ensure_window(identifier);
         window.set_title(changed_event.title());
         window.set_rect(changed_event.rect());
diff --git a/LibGUI/GEvent.h b/LibGUI/GEvent.h
index 1d1d02bd81..5e572916a3 100644
--- a/LibGUI/GEvent.h
+++ b/LibGUI/GEvent.h
@@ -6,6 +6,7 @@
 #include <AK/Types.h>
 #include <AK/WeakPtr.h>
 #include <Kernel/KeyCode.h>
+#include <LibGUI/GWindowType.h>
 
 class GObject;
 
@@ -74,22 +75,25 @@ private:
 
 class GWMWindowAddedEvent : public GWMEvent {
 public:
-    GWMWindowAddedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active)
+    GWMWindowAddedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active, GWindowType window_type)
         : GWMEvent(GEvent::Type::WM_WindowAdded, client_id, window_id)
         , m_title(title)
         , m_rect(rect)
         , m_active(is_active)
+        , m_window_type(window_type)
     {
     }
 
     String title() const { return m_title; }
     Rect rect() const { return m_rect; }
     bool is_active() const { return m_active; }
+    GWindowType window_type() const { return m_window_type; }
 
 private:
     String m_title;
     Rect m_rect;
     bool m_active;
+    GWindowType m_window_type;
 };
 
 class GWMWindowRemovedEvent : public GWMEvent {
@@ -102,22 +106,25 @@ public:
 
 class GWMWindowStateChangedEvent : public GWMEvent {
 public:
-    GWMWindowStateChangedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active)
+    GWMWindowStateChangedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active, GWindowType window_type)
         : GWMEvent(GEvent::Type::WM_WindowStateChanged, client_id, window_id)
         , m_title(title)
         , m_rect(rect)
         , m_active(is_active)
+        , m_window_type(window_type)
     {
     }
 
     String title() const { return m_title; }
     Rect rect() const { return m_rect; }
     bool is_active() const { return m_active; }
+    GWindowType window_type() const { return m_window_type; }
 
 private:
     String m_title;
     Rect m_rect;
     bool m_active;
+    GWindowType m_window_type;
 };
 
 class QuitEvent final : public GEvent {
diff --git a/LibGUI/GEventLoop.cpp b/LibGUI/GEventLoop.cpp
index 406bf7e80c..39dccb0187 100644
--- a/LibGUI/GEventLoop.cpp
+++ b/LibGUI/GEventLoop.cpp
@@ -270,10 +270,13 @@ void GEventLoop::handle_menu_event(const WSAPI_ServerMessage& event)
 
 void GEventLoop::handle_wm_event(const WSAPI_ServerMessage& event, GWindow& window)
 {
+#ifdef GEVENTLOOP_DEBUG
+    dbgprintf("GEventLoop: handle_wm_event: %d\n", (int)event.type);
+#endif
     if (event.type == WSAPI_ServerMessage::WM_WindowAdded)
-        return post_event(window, make<GWMWindowAddedEvent>(event.wm.client_id, event.wm.window_id, String(event.text, event.text_length), event.wm.rect, event.wm.is_active));
+        return post_event(window, make<GWMWindowAddedEvent>(event.wm.client_id, event.wm.window_id, String(event.text, event.text_length), event.wm.rect, event.wm.is_active, (GWindowType)event.wm.window_type));
     if (event.type == WSAPI_ServerMessage::WM_WindowStateChanged)
-        return post_event(window, make<GWMWindowStateChangedEvent>(event.wm.client_id, event.wm.window_id, String(event.text, event.text_length), event.wm.rect, event.wm.is_active));
+        return post_event(window, make<GWMWindowStateChangedEvent>(event.wm.client_id, event.wm.window_id, String(event.text, event.text_length), event.wm.rect, event.wm.is_active, (GWindowType)event.wm.window_type));
     if (event.type == WSAPI_ServerMessage::WM_WindowRemoved)
         return post_event(window, make<GWMWindowRemovedEvent>(event.wm.client_id, event.wm.window_id));
     ASSERT_NOT_REACHED();
diff --git a/LibGUI/GWindow.h b/LibGUI/GWindow.h
index 845b4b7c3d..9504c32dc9 100644
--- a/LibGUI/GWindow.h
+++ b/LibGUI/GWindow.h
@@ -1,6 +1,7 @@
 #pragma once
 
-#include "GObject.h"
+#include <LibGUI/GObject.h>
+#include <LibGUI/GWindowType.h>
 #include <SharedGraphics/Rect.h>
 #include <SharedGraphics/GraphicsBitmap.h>
 #include <AK/AKString.h>
@@ -17,12 +18,6 @@ enum class GStandardCursor {
     ResizeVertical,
 };
 
-enum class GWindowType {
-    Invalid = 0,
-    Normal,
-    Taskbar,
-};
-
 class GWindow : public GObject {
 public:
     GWindow(GObject* parent = nullptr);
diff --git a/LibGUI/GWindowType.h b/LibGUI/GWindowType.h
new file mode 100644
index 0000000000..18ae16fdec
--- /dev/null
+++ b/LibGUI/GWindowType.h
@@ -0,0 +1,9 @@
+#pragma once
+
+enum class GWindowType {
+    Invalid = 0,
+    Normal,
+    Menu,
+    WindowSwitcher,
+    Taskbar,
+};
diff --git a/Servers/WindowServer/WSAPITypes.h b/Servers/WindowServer/WSAPITypes.h
index ee271f8961..8a80f8c2ed 100644
--- a/Servers/WindowServer/WSAPITypes.h
+++ b/Servers/WindowServer/WSAPITypes.h
@@ -23,6 +23,8 @@ struct WSAPI_Rect {
 enum WSAPI_WindowType {
     Invalid = 0,
     Normal,
+    Menu,
+    WindowSwitcher,
     Taskbar,
 };
 
@@ -111,6 +113,7 @@ struct WSAPI_ServerMessage {
             int window_id;
             WSAPI_Rect rect;
             bool is_active;
+            WSAPI_WindowType window_type;
         } wm;
         struct {
             WSAPI_Rect rect;
diff --git a/Servers/WindowServer/WSMessage.h b/Servers/WindowServer/WSMessage.h
index 32bf2135ec..3e676f8926 100644
--- a/Servers/WindowServer/WSMessage.h
+++ b/Servers/WindowServer/WSMessage.h
@@ -623,22 +623,25 @@ private:
 
 class WSWMWindowAddedEvent : public WSWMEvent {
 public:
-    WSWMWindowAddedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active)
+    WSWMWindowAddedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active, WSWindowType window_type)
         : WSWMEvent(WSMessage::WM_WindowAdded, client_id, window_id)
         , m_title(title)
         , m_rect(rect)
         , m_active(is_active)
+        , m_window_type(window_type)
     {
     }
 
     String title() const { return m_title; }
     Rect rect() const { return m_rect; }
     bool is_active() const { return m_active; }
+    WSWindowType window_type() const { return m_window_type; }
 
 private:
     String m_title;
     Rect m_rect;
     bool m_active;
+    WSWindowType m_window_type;
 };
 
 class WSWMWindowRemovedEvent : public WSWMEvent {
@@ -651,20 +654,23 @@ public:
 
 class WSWMWindowStateChangedEvent : public WSWMEvent {
 public:
-    WSWMWindowStateChangedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active)
+    WSWMWindowStateChangedEvent(int client_id, int window_id, const String& title, const Rect& rect, bool is_active, WSWindowType window_type)
         : WSWMEvent(WSMessage::WM_WindowStateChanged, client_id, window_id)
         , m_title(title)
         , m_rect(rect)
         , m_active(is_active)
+        , m_window_type(window_type)
     {
     }
 
     String title() const { return m_title; }
     Rect rect() const { return m_rect; }
     bool is_active() const { return m_active; }
+    WSWindowType window_type() const { return m_window_type; }
 
 private:
     String m_title;
     Rect m_rect;
     bool m_active;
+    WSWindowType m_window_type;
 };
diff --git a/Servers/WindowServer/WSMessageLoop.cpp b/Servers/WindowServer/WSMessageLoop.cpp
index 8709f50c1f..2f8aecf8c8 100644
--- a/Servers/WindowServer/WSMessageLoop.cpp
+++ b/Servers/WindowServer/WSMessageLoop.cpp
@@ -254,6 +254,10 @@ static WSWindowType from_api(WSAPI_WindowType api_type)
     switch (api_type) {
     case WSAPI_WindowType::Normal:
         return WSWindowType::Normal;
+    case WSAPI_WindowType::Menu:
+        return WSWindowType::Menu;
+    case WSAPI_WindowType::WindowSwitcher:
+        return WSWindowType::WindowSwitcher;
     case WSAPI_WindowType::Taskbar:
         return WSWindowType::Taskbar;
     default:
diff --git a/Servers/WindowServer/WSWindow.cpp b/Servers/WindowServer/WSWindow.cpp
index 1b80fc0ae6..61b43bea5e 100644
--- a/Servers/WindowServer/WSWindow.cpp
+++ b/Servers/WindowServer/WSWindow.cpp
@@ -94,6 +94,22 @@ void WSWindow::handle_mouse_event(const WSMouseEvent& event)
     m_client->post_message(server_message);
 }
 
+static WSAPI_WindowType to_api(WSWindowType ws_type)
+{
+    switch (ws_type) {
+    case WSWindowType::Normal:
+        return WSAPI_WindowType::Normal;
+    case WSWindowType::Menu:
+        return WSAPI_WindowType::Menu;
+    case WSWindowType::WindowSwitcher:
+        return WSAPI_WindowType::WindowSwitcher;
+    case WSWindowType::Taskbar:
+        return WSAPI_WindowType::Taskbar;
+    default:
+        ASSERT_NOT_REACHED();
+    }
+}
+
 void WSWindow::on_message(const WSMessage& message)
 {
     if (m_internal_owner)
@@ -147,6 +163,7 @@ void WSWindow::on_message(const WSMessage& message)
         server_message.wm.client_id = added_event.client_id();
         server_message.wm.window_id = added_event.window_id();
         server_message.wm.is_active = added_event.is_active();
+        server_message.wm.window_type = to_api(added_event.window_type());
         ASSERT(added_event.title().length() < sizeof(server_message.text));
         memcpy(server_message.text, added_event.title().characters(), added_event.title().length());
         server_message.text_length = added_event.title().length();
@@ -166,6 +183,7 @@ void WSWindow::on_message(const WSMessage& message)
         server_message.wm.client_id = changed_event.client_id();
         server_message.wm.window_id = changed_event.window_id();
         server_message.wm.is_active = changed_event.is_active();
+        server_message.wm.window_type = to_api(changed_event.window_type());
         ASSERT(changed_event.title().length() < sizeof(server_message.text));
         memcpy(server_message.text, changed_event.title().characters(), changed_event.title().length());
         server_message.text_length = changed_event.title().length();
diff --git a/Servers/WindowServer/WSWindowManager.cpp b/Servers/WindowServer/WSWindowManager.cpp
index c88c1bcab2..d9eb2f7285 100644
--- a/Servers/WindowServer/WSWindowManager.cpp
+++ b/Servers/WindowServer/WSWindowManager.cpp
@@ -496,14 +496,14 @@ void WSWindowManager::add_window(WSWindow& window)
     if (window.listens_to_wm_events()) {
         for_each_window([&window] (WSWindow& other_window) {
             if (&window != &other_window && other_window.client())
-                WSMessageLoop::the().post_message(window, make<WSWMWindowAddedEvent>(other_window.client()->client_id(), other_window.window_id(), other_window.title(), other_window.rect(), other_window.is_active()));
+                WSMessageLoop::the().post_message(window, make<WSWMWindowAddedEvent>(other_window.client()->client_id(), other_window.window_id(), other_window.title(), other_window.rect(), other_window.is_active(), other_window.type()));
             return IterationDecision::Continue;
         });
     }
 
     for_each_window_listening_to_wm_events([&window] (WSWindow& listener) {
         if (window.client())
-            WSMessageLoop::the().post_message(listener, make<WSWMWindowAddedEvent>(window.client()->client_id(), window.window_id(), window.title(), window.rect(), window.is_active()));
+            WSMessageLoop::the().post_message(listener, make<WSWMWindowAddedEvent>(window.client()->client_id(), window.window_id(), window.title(), window.rect(), window.is_active(), window.type()));
         return IterationDecision::Continue;
     });
 }
@@ -545,7 +545,7 @@ void WSWindowManager::tell_wm_listeners_window_state_changed(WSWindow& window)
 {
     for_each_window_listening_to_wm_events([&window] (WSWindow& listener) {
         if (window.client())
-            WSMessageLoop::the().post_message(listener, make<WSWMWindowStateChangedEvent>(window.client()->client_id(), window.window_id(), window.title(), window.rect(), window.is_active()));
+            WSMessageLoop::the().post_message(listener, make<WSWMWindowStateChangedEvent>(window.client()->client_id(), window.window_id(), window.title(), window.rect(), window.is_active(), window.type()));
         return IterationDecision::Continue;
     });
 }