Colony Horizons

Colony Horizons 0.1.0-alpha.2

• Fixes Arcology Mine shaft water sealing to prevent the reported dirt placement/breaking loop.
• Corrects supply-raft waterline metadata in the matching Arcology pack.
• Adds two safety rails to Builder's Hut levels 1–5 to prevent trapped recall locations.
• Includes 62 focused native regression checks and a successful normal-launcher startup, preview, save/reload and clean-exit test.

Install both the addon JAR and the matching blueprint ZIP: Alpha.2 downloads and source. Extract the blueprint ZIP into blueprints, so blueprints/arcology-horizons/pack.json exists. Back up your world first. Keep only one Colony Horizons JAR.

Existing Builder huts need repair/rebuild to receive the rails. Previously placed ships are not relocated. The miner fix covers Arcology Horizons shaft excavation, not every tunnel or aquifer. Multiplayer remains unverified. No new Mayor or supply-route functionality is exposed.

Minecraft 1.21.1, Java 21, NeoForge 21.1.250; tested with MineColonies 1.1.1403 and the same dependencies as alpha.1.

Original Arcology by BlockyUniverseProductions; adapted with permission. Addon code: GPL-3.0-only. Arcology assets are separately permitted.