Refresh after logging out to ensure all application state is cleared

frontend/src/metabase/auth/auth.js

@@ -97,6 +97,9 @@ export const logout = createThunkAction(LOGOUT, function() {
     MetabaseAnalytics.trackEvent("Auth", "Logout");
 
     dispatch(push("/auth/login"));
+
+    // refresh to ensure all application state is cleared
+    window.location.reload();
   };
 });