beyond the barrier 1.4, works on 1.20+ and may be unstable in 1.21 somehow... oh well. use at yor own risk :P
reverted to 1.1 because SOMEHOW 1.2 was more broken. will fix later on
world border is now automatically 4 294 966 000 blocks wide
1.0: made this mod. will work at ANY version in 1.17 and beyond