Reblogged by jsonstein@masto.deoan.org ("Jeff Sonstein"):
“ Every time a block is broken in Minecraft versions Beta 1.8 through 1.12.2, the precise coordinates of the dropped item can reveal another player's location.”
The Minecraft people are out here giving the Dwarf Fortress bug reports a run for their money.
https://github.com/spawnmason/randar-explanation/blob/master/README.md