[Important] Recall of 4.0.0

[fuyutsuki]

I'm recalling due to a bug in the recently released 4.0.0 and to further strengthen the integration with Mineflow.

for have downloaded and run 4.0.0

Please send the generated file {world_name}.json in the new format to this issue or Discord yuko fuyutsuki#9595. I will convert it to the old format.

for have not downloaded 4.0.0

4.0.0 will be released after waiting for the release of Mineflow 2.0, so please wait a little.