I was fine last evening amidst the hustle and bustle of prime time play. This morning and early afternoon though was a different story. I will try a wired connection to see if it helps, but I'm about 99.9999% sure that it is the servers and not my connection. I have pretty dang good wi-fi and my PS5 is in pretty close proximity to it, so I almost never have an issue with FF XIV. Haven't had many lag issues with Endwalker until today, and it's...actually pretty bad. My "rubberbanding" happens quite frequently, easily at least once every minute, if not more.