Possibly Just other usages of "im Urlaub" increased, like "im Urlaub erlebten wir das und das", "im Urlaub hatten wir schönes Wetter" and so on. "In Urlaub" as in currently becoming there, appears to be entirely Incorrect in Higher-Austrian, but I do not understand about the Germans. I have also https://bihlmayermedia-bilder.com/urlaub/wir-sind-im-urlaub/