Echo Protocol

Port of Echo Protocol 0.5.0-beta.2 — The House Remembers to Minecraft 1.21.6, 1.21.7 and 1.21.8.

The exact same compiled JAR was tested on all three Minecraft versions.

Changes:

• Added compatibility with Minecraft 1.21.6–1.21.8.
• Updated Yarn mappings and Fabric dependencies.
• Adapted world access and NBT serialization APIs.
• Preserved the render-state Echo renderer, translucent visuals and player skins.
• Preserved configuration and persistent memory compatibility.
• Verified automated tests, production builds, dedicated servers and real clients.
• Verified full representative gameplay, restart persistence, multiplayer privacy and performance on Minecraft 1.21.8.

Requirements:

• Minecraft Java Edition 1.21.6, 1.21.7 or 1.21.8
• Fabric Loader 0.19.3+
• Fabric API
• Java 21
• Install on both client and server