explicitly ignore unknown events

src/ui/window.rs

@@ -196,6 +196,10 @@ mod imp {
                                 };
                             }
 
+                            Event::Unknown(_) => {
+                                // either deprecated or future, ignore
+                            }
+
                             _ => event!(Level::DEBUG, "unhandled {event:?}"),
                         }
                     }