Minecraft Java Edition 1.20.3 update introduces Decorated Pots with item storage, an improved shield feature, and a revamped Bat appearance. Map makers get Scoreboard Display Names and command extensions, including a new tick command. Update 1.21 Experiment provides a sneak peek into upcoming features. Decorated Pots now stack items, interact with hoppers, and can be smashed. The Bat showcases new animations and texture. Minor tweaks include Monster Spawner rendering and Ender Pearls' teleportation sound.