Fixed

• Air bubble icons flickering (pop/unpop/pop): Duplicate chunk scans could queue when a chunk rapidly unloaded and reloaded (border movement, ticket churn), each one overwriting legitimate updates like lava consuming air. Chunks are now limited to one in-flight scan at a time.

• Nearby lava inconsistently draining air: Same root cause as above; resolved by the same fix.

• Safety Lantern not updating while held: Fixed a stale cached reading getting permanently baked into the item after pick-block, which was overriding the live air quality display. The live reading is now used whenever the lantern is held; the cached value is only used for inventory/GUI icons.

• curios:back tag failing to load without Create installed: Backtank item references are now optional, so the tag loads correctly whether or not Create is present.

• thinair:respirator advancement throwing an error without Curios installed: The advancement is now skipped gracefully when Curios isn't loaded, instead of failing with an unknown-registry-key error.

Thanks to sloweia for the detailed report and log, made this fast to track down. Issue#8

1.0.4 - 2026-07-11

Added

• Optional Create integration: Backtanks now provide breathable air in Yellow and Red Air when worn with Create's chest armor slot or the Curios Back slot.

• Added a Curios Back slot for players so Create backtanks have a valid equipment slot.

Fixed

• Fixed Curios tag paths that prevented the Respirator, Safety Lantern, and Create Backtanks from being recognized correctly.

• Fixed Create Backtanks not being equippable because the player was missing a Back slot.

• Restored missing air provider tags so Nether portals, End portals, End gateways, lava, and fire once again behave like the original mod.

• Fixed Create Backtanks providing protection while simply carried in the inventory. They now require a Diving Helmet, matching Create's intended behavior.

• Fixed a compatibility issue that could cause Backtank air to drain twice as fast when Thin Air and Create were both installed.

Changed

• Create is now listed as an optional dependency.

Known limitation

Backtanks equipped only in the Curios Back slot provide full functionality but do not render on the player model. This is a limitation of Create's renderer, which only checks the vanilla chest armor slot. For visible Backtanks, equip them in Create's chest slot.

Added

• Create backtank support in yellow/red air (armor slot only, optional Create)

Changed

• Rebranded to Thin Air ReLived
• Curios tag paths fixed for 1.21.1
• update neoforge.mods.toml so it points to the Correct page.

Note

• Create backtanks don’t work in a Curios back slot (Create limitation) this will be look further into.

1.0.2

Fixed

• Added compatibility shim for Amendments mod, which hardcodes the original fuzs.thinair package path when checking for ThinAir's SafetyLanternBlock, causing a crash on chunk load.

• Fixed a ConcurrentModificationException crash in AirBubbleTracker.onEndLevelTick caused by re-entrant modification of DIRTY_CHUNKS during lantern updates****

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