https://youtu.be/jwSZsVNloQ8 here is a video of me showing it, it is a bug related to chunk boarders, i saw it on a discord about 2 weeks ago and just experienced it in a world and went testing in creative, i have not checked the bug for earlier versions than 1.16.3 but im pretty sure it is in 1.16.1 not 100% sure tho
Environment
its Vanilla, no tecture packs, different launcher or anything, plaine Vanilla
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