TaskbarGrouped is now consolidated in the Workspace widget.

Commons/Migrations/Migration28.qml

@@ -0,0 +1,37 @@
+import QtQuick
+
+QtObject {
+  id: root
+
+  // Migrate TaskbarGrouped widgets to Workspace with showApplications: true
+  function migrate(adapter, logger, rawJson) {
+    logger.i("Settings", "Migrating settings to v28");
+
+    // Check bar widgets in all sections
+    const sections = ["left", "center", "right"];
+
+    for (const section of sections) {
+      if (!rawJson?.bar?.widgets?.[section])
+        continue;
+
+      const widgets = rawJson.bar.widgets[section];
+      for (let i = 0; i < widgets.length; i++) {
+        if (widgets[i].id === "TaskbarGrouped") {
+          // Convert TaskbarGrouped to Workspace with showApplications
+          const oldWidget = widgets[i];
+          adapter.bar.widgets[section][i] = {
+            id: "Workspace",
+            showApplications: true,
+            labelMode: oldWidget.labelMode || "index",
+            hideUnoccupied: oldWidget.hideUnoccupied || false,
+            showLabelsOnlyWhenOccupied: oldWidget.showLabelsOnlyWhenOccupied ?? true,
+            colorizeIcons: oldWidget.colorizeIcons || false
+          };
+          logger.i("Settings", "Migrated TaskbarGrouped to Workspace in " + section + " section");
+        }
+      }
+    }
+
+    return true;
+  }
+}

Commons/Migrations/MigrationRegistry.qml

@@ -7,9 +7,11 @@ QtObject {
 
   // Map of version number to migration component
   readonly property var migrations: ({
-                                       27: migration27Component
+                                       27: migration27Component,
+                                       28: migration28Component
                                      })
 
   // Migration components
   property Component migration27Component: Migration27 {}
+  property Component migration28Component: Migration28 {}
 }