Minecraft wiki entry for Development_versions, associated text: Deep Dark Experimental Snapshot 1 is the first and only experimental snapshot for Java Edition 1.19, released on February 17, 2022,[1] which adds features related to the deep dark. This version is a fork of 1.18.1. After the release of 1.18.2, deep dark features made their way into official snapshots starting with 22w11a.