Minecraft 1.20.2 Snapshot: Nerfed Trades, Diamond Changes, and Enchanted Book Revamp

Minecraft snapshot 23w31a for Java Edition 1.20.2 introduces changes to villager trading, including biome-specific enchantments and limited discounts for curing zombie villagers. The wandering trader now offers more valuable items and can buy items from players. Diamond ore generation has been increased in deep slate layers, encouraging exploration. Barriers have been tweaked for consistency and convenience, while sculk sensors can now detect additional events. The snapshot also includes technical features, bug fixes, and performance improvements. Note that these changes are experimental and subject to change.