When i updated in minecraft version 1.18, it started bugs in layer y=-64 to -49. I saved it, later I opened the world, it still has bugs up to 1.19.51.
Steps to Reproduce:
Donwload here.
Find the name "Alpha Bugs" and open the world where you downloaded it.
Place any blocks on layer y=-64 to -49.
Break all blocks in layer y-64 to -49.
Save the world.
Open the world.
You look at the blocks where you placed any blocks.
Observed Results:
It doesn't work to save what you place any blocks on the layer y=-64 to -49.
Expected Results:
The update still doesn't fix bugs in version: 1.18 up to 1.19.51.
Bugs shown in the video:
Linked issues
Attachments
Comments


It still bugs this version, 1.19.62, added.
Added at 1.19.70

Thank you for your report!
We're tracking this issue in MCPE-159434, so this ticket is being resolved and linked as a duplicate.
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