@mojang and @MojangSupport, Confirmed ... there are areas in the last beta of @minecraft (18w43a), that is when you change them ... they are automatically regenerated, avoiding the world edition
1
Replying to @hoopper
Sorry to hear. If you think you've found a bug, visit help.mojang.com/customer/por… and report it so that the developers can see. ^JH

Nov 23, 2018 · 7:26 AM UTC

1
Replying to @MojangSupport
Thanks for the information, for new errors, I will go to the page, that you have told me. Anyway, it is this new update 18w47b, the problem is already solved.