Technical Analysis of pack.mcmeta in Minecraft 1.12.2 In Minecraft version 1.12.2 (the "World of Color" update), the pack.mcmeta file serves as the mandatory metadata descriptor for both and Data Packs . It is a JSON-formatted file located in the root directory of the pack that tells the game engine how to identify and display the content. 1. Mandatory File Structure
Unlike modern versions of Minecraft (1.13+), which use a nested pack object with a description and a pack_format number, pack.mcmeta 1.12.2