There is a glitch where you can randomly fall through the world

A youtuber named antvenom found a bug https://www.youtube.com/watch?v=q3BvjYdqM0g

Where you can fall through the world if you go to 2047, 4095, 8191, x cooridinate and so on, if you go to the middle of 2 blocks and hold forward while having your cursor at the edge you can fall through the block