Hey there,
I was on my world casually and I thought about making a mob tower/trap, so I started digging out some land (since I was in a forest biome) and started digging straight through a hill with my diamond shovel with an enchantment unbreaking iii , I came out the other side and found that there was some floating grass where the block and been dug up but the grass stayed.
If it changes anything I have installed toomanyitems mod. And no other mods
I am very sorry for wasting your time but Minecraft froze so I saved and quit to title and went back to my world and the floating grass was gone!!??
I was just about to screenshot the grass but was too late
With the picture I attached the floating grass was floating next to the block where the cross is.
I haven’t experienced any bugs before but have seen some chunk and lighting glitches, i think you should try and fix those if you could but that would probably lag the game.
With awesomeness,
George warner (egroeg9)
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I can't see this bug? Can you try and get another screenshot or describe in better detail.

Capitalizing the first letter of each word is a crime against the English language, and assault on the reader.
Fixed capitalisation to promote readability.
Version 1.4.6 - Generated a superflat "overworld" preset map and found a grass plant floating - see screenshot.
Snapshot 13w3a - Once again a superflat "overworld" preset map - see screenshot example #2.

The lake generator is a bit "lazy"; it can leave trees floating, temples with hanging features etc. It only carves to the flat top of its calculated "box" shape and does not check what is above that.
But that would be another bug.
(Edit: or alternately, the lake generation should be run before adding grass, trees, temples, etc. But still part of another bug...)