i hoped with the new world generation this would go away but it is still here, some random floating blocks are generating so unnatural and strange. I have tried generating new world with the same seed and i went on the same place and they generated again on the same place in the same way. Down are some screenshots with the seed and coordinates if some one wonts to recreate it.
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2-3 blocks islands, does not make sense
Duplicate of MC-30607, which was later resolved as "Works As Intended".
Sorry, i searched for this in reports, with the word "floating" i guess i hade to try different words. But still seams wired and annoying (my opinion).

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That isn't even amplified world.
Floating islands are considered features by Mojang, last I checked.