Hello there,
@RawrItzDark . Look, here's the deal, normally, Dacon is the one that resets the End, but however, he is very busy, working on many things, such as trying to fix bugs, adding new things, and even making a second server. Because of that, he doesn't have time for everything, such as resetting the End, as you have asked here. We already suggested expanding the border in the past, but he hasn't gotten time for it. I hope I gave you a good enough information. If you have any more questions, feel free to talk to me in-game, or start a private conversation with me here on the forums. Anyways, have a good day.
-NStarMC