I had tested it with signs, yes. I was not able to make it work. The click event seemed to have a consistent permission level, even after deopping the player. Anyways, I have realized my oversight.
I have found that this is a problem in 1.17.1, but it happens for me even when structures are in the world. Attempting to close the game by saving and quitting cause it to save the world for an extended period of time, and pressing alt+f4 causes the screen to go black without it actually closing
edit: And it only seems to happen when locating mansions
I had a similar problem on amplified worlds, and it would only occur if blocks generated above y=255
The problem is the dimension type. Custom dimension types have been updated, and so dimension with a custom dimension type may or may not work and if it does not work, it will "cut off" the rest of the worlds from loading (If the first dimension in your first namespace folder uses a custom dimension type, no custom dimensions will work). This indeed is not a bug, there are just some new things needed in the dimension_type file
I have seen this as a problem with at least normal overworld type worlds. Floating Island (not main end island type) worlds and superflat worlds do not seem to have a problem, but I cannot guarantee this will happen or not happen to someone else.
Still in 1.14.3. Is very annoying. Please fix soon.
I used numbers instead of commands, but it does this on both.
It says instead "[Player] has been killed by Ender Dragon using Magic"
this was still water
...
Seems the new snapshot managed to fix it
are you sure that this is a bug
I died but nothing happened except for dropping my things. then I respawned
This may be a duplicate of or related to MC-98308