diff --git a/docs/book/src/qpa-windows.md b/docs/book/src/qpa-windows.md
index 07e39d912..d379f98cb 100644
--- a/docs/book/src/qpa-windows.md
+++ b/docs/book/src/qpa-windows.md
@@ -5,5 +5,10 @@ KDDockWidgets not only works fine on `Windows` it also implements some native fe
 - Support for native Windows drop shadow around the frame
 - Support mixing with MFC event loop
 
+## Known issues
+
+- Turning off "Show window contents while dragging" is not supported, as Qt won't receive
+  any mouse or window move event until mouse is released.
+
 Note: `MinGW` compiler is not tested, but probably works.<br>
 Note: KDDW is tested with Windows 10 and 11. `Windows 7` can be made to work, upon request.