added physical_key to KeyReleased event

core/src/keyboard/event.rs

@@ -36,6 +36,9 @@ pub enum Event {
         /// The key released.
         key: Key,
 
+        /// The physical key released.
+        physical_key: key::Physical,
+
         /// The location of the key.
         location: Location,
 

winit/src/conversion.rs

@@ -262,6 +262,7 @@ pub fn window_event(
                 winit::event::ElementState::Released => {
                     keyboard::Event::KeyReleased {
                         key,
+                        physical_key,
                         modifiers,
                         location,
                     }