1. When looking straight down and break the blocks within your reach, in creative you break 4 blocks, and in survival you brake 3 blocks
2. when standing on a 3 block high tower and looking down, in creative will the ground block show an outline, in survival it will not.
Thank you for your report!
However, this issue is Working as Intended.
You are meant to have a larger maximum reach distane in Creative mode, so you can build easier. As far as I know, it has been this way since Creative mode has been introduced in 2011.
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