diff --git a/src/shell/switcher/window_switcher.cpp b/src/shell/switcher/window_switcher.cpp
--- a/src/shell/switcher/window_switcher.cpp
+++ b/src/shell/switcher/window_switcher.cpp
@@ -286,12 +286,19 @@ indexLiveToplevelsByWindowId(const CompositorPlatform& platform, std::unordered_
           continue;
         }
 
-        const auto mappedId = platform.compositorWindowIdForToplevelInfo(info);
-        if (!mappedId.has_value() || mappedId->empty()) {
-          continue;
+        std::string key;
+        if (const auto mappedId = platform.compositorWindowIdForToplevelInfo(info);
+            mappedId.has_value() && !mappedId->empty()) {
+          key = canonicalWindowId(*mappedId);
         }
-        const std::string key = canonicalWindowId(*mappedId);
+
+        // Generic wlroots compositors such as labwc do not provide a
+        // compositor-specific window ID. The wlr toplevel handle is stable
+        // for the lifetime of the window and is sufficient for switcher identity.
+        if (key.empty() && wlrHandle != 0) {
+          key = "toplevel:" + std::to_string(wlrHandle);
+        }
         if (key.empty()) {
           continue;
         }
diff --git a/src/shell/bar/widgets/taskbar_widget.cpp b/src/shell/bar/widgets/taskbar_widget.cpp
--- a/src/shell/bar/widgets/taskbar_widget.cpp
+++ b/src/shell/bar/widgets/taskbar_widget.cpp
@@ -5,6 +5,7 @@
 #include "compositors/workspace_backend.h"
 #include "config/config_service.h"
 #include "core/deferred_call.h"
+#include "core/process/process.h"
 #include "i18n/i18n.h"
 #include "render/core/color.h"
 #include "render/core/renderer.h"
@@ -36,6 +37,18 @@
 
 namespace {
 
+  [[nodiscard]] bool launchTaskbarOverview(const std::string& appId) {
+    constexpr const char* command = "noctalia-taskbar-overview";
+    if (appId.empty() || !process::commandExists(command)) {
+      return false;
+    }
+    return process::runAsync({
+        command,
+        "--app-id",
+        appId.c_str(),
+    });
+  }
+
   // Integer centering; optional odd spare pixel on the end side (right/bottom).
   [[nodiscard]] float centeredOffset(float extent, float content, float inset = 0.0F, bool oddSpareOnEnd = true) {
     const float inner = std::max(0.0F, extent - inset * 2.0F);
@@ -373,6 +386,12 @@ void TaskbarWidget::activateOrLaunchPinned(const TaskModel& task) {
     return;
   }
 
+  const std::string overviewAppId =
+      !task.appId.empty() ? task.appId : (!task.desktopEntryId.empty() ? task.desktopEntryId : task.idLower);
+  if (launchTaskbarOverview(overviewAppId)) {
+    return;
+  }
+
   const std::string cycleKey = !task.desktopEntryId.empty() ? task.desktopEntryId : task.idLower;
   std::size_t& cursor = m_groupedAppCycleCursor[cycleKey];
   if (cursor >= windows.size()) {
@@ -792,6 +811,9 @@ void TaskbarWidget::create() {
         }
         if (data.button == BTN_LEFT) {
           if (!cycleCandidates.empty()) {
+            if (cycleCandidates.size() > 1 && launchTaskbarOverview(current->appId)) {
+              return;
+            }
             std::size_t& cursor = m_groupedAppCycleCursor[cycleKey];
             if (cursor >= cycleCandidates.size()) {
               cursor = 0;