diff --git a/frame/qml/PanelPopup.qml b/frame/qml/PanelPopup.qml
index c417f0532..dc15a823c 100644
--- a/frame/qml/PanelPopup.qml
+++ b/frame/qml/PanelPopup.qml
@@ -18,6 +18,7 @@ Item {
     property bool openPending: false
     property bool grabInactivePending: false
     property int grabInactiveTimeout: 200
+    property bool useX11BypassWindowManagerHint: true
     // WM_NAME, used for kwin.
     property string windowTitle: "dde-shell/panelpopup"
     width: popup.childrenRect.width
@@ -43,6 +44,11 @@ Item {
         target: popupWindow; property: "yOffset"
         value: control.popupY
     }
+    Binding {
+        when: readyBinding
+        target: popupWindow; property: "useX11BypassWindowManagerHint"
+        value: control.useX11BypassWindowManagerHint
+    }
 
     function open()
     {
diff --git a/frame/qml/PanelPopupWindow.qml b/frame/qml/PanelPopupWindow.qml
index f7f80b219..963a1dca2 100644
--- a/frame/qml/PanelPopupWindow.qml
+++ b/frame/qml/PanelPopupWindow.qml
@@ -18,6 +18,8 @@ PopupWindow {
     property int requestedWidth: 10
     property int requestedHeight: 10
     property bool geometryUpdatePending: false
+    // Individual popup instances can override this for window-manager compatibility.
+    property bool useX11BypassWindowManagerHint: true
     signal requestUpdateGeometry()
     signal updateGeometryFinished()
 
@@ -74,7 +76,10 @@ PopupWindow {
 
     width: 10
     height: 10
-    flags: (Qt.platform.pluginName === "xcb" ?  (Qt.Tool | Qt.WindowStaysOnTopHint | Qt.X11BypassWindowManagerHint) : Qt.Popup)
+    flags: (Qt.platform.pluginName === "xcb"
+            ? (Qt.Tool | Qt.WindowStaysOnTopHint
+               | (useX11BypassWindowManagerHint ? Qt.X11BypassWindowManagerHint : 0))
+            : Qt.Popup)
     font: D.DTK.fontManager.t6
     D.DWindow.enabled: true
     D.DWindow.windowRadius: D.DTK.platformTheme.windowRadius < 0 ? 4 : D.DTK.platformTheme.windowRadius