Thin Air — NeoForge 1.21.1 Port | v1.0.0

• First public release of the NeoForge 1.21.1 port.

Requirements

• NeoForge for Minecraft 1.21.1
• Optional: Curios 9.5.1+1.21.1 — respirator head slot, belt - --- - lantern slot, and Curios rendering
• Recommended: Cloth Config — in-game config from the Mods menu (otherwise edit serverconfig/thinair-server.toml)

What's Included

• Full air quality system (green, yellow, red, blue) by dimension and height
• Safety Lantern, Signal Torch, Wall Signal Torch, Respirator, Air - Bladder, Reinforced Air Bladder, Bottle of Soulfire
• Safety Lantern belt slot via Curios; lantern colors update in hand, belt, and world
• Reinforced Air Bladder crafting copies durability from the ingredient bladder
• Advancements, recipes, loot injections, and drowned air-drain behavior (configurable)
• Chunk air-quality sync for multiplayer and air-provider bubbles
• In-game config screen for server settings
• English, Russian, and Chinese localization
• Server config via thinair-server.toml

Fixes & Polish in This Build

• Air bladder hold-to-refill works correctly in thin air
• Safety Lantern mines and drops properly with a pickaxe
• Curios GUI works when Thin Air is the only mod registering slots
• Respirator and Safety Lantern advancements trigger correctly
• Placed lanterns update when nearby air sources change
• Signal torch wall placement and block rendering match vanilla behavior
• Tag parity with upstream (NPC air sensitivity, air-provider tags, respirator protection rules)

Known Limitations

• Loot table injections in structures not yet fully verified in generated worlds
• Some multiplayer edge cases not exhaustively tested
• Report bugs in this repository's issue tracker