A common issue with Xray work in 1.5.2 was lighting artifacts. Because the game engine was calculating light levels for blocks that were being rendered selectively, players would often see "phantom lights" or pitch-black areas where caves existed, requiring the frequent use of the "Fullbright" feature (removing lighting restrictions entirely) which was bundled with most Xray mods.
was hit with a serious case of "diamond fever." He had spent hours strip-mining at Y-level 12, but his iron pickaxes were breaking, his torches were running low, and all he had to show for it was a double chest full of cobblestone and a single piece of lapis lazuli. minecraft 152 xray work
This works because 1.5.2's legacy renderer is frozen in time. A common issue with Xray work in 1