File Details
Aeros v1.21
- R
- Jun 21, 2026
- 32.65 MB
- 61
- 1.21.1
- NeoForge
File Name
Aeros v1.21.zip
Supported Versions
- 1.21.1
AEROS Update
The engines are tuned.
The terrain shifts beneath the clouds.
The world of AEROS keeps evolving.
This update focuses on a large round of mod updates. Many existing mods have been updated to newer versions, bringing fixes, compatibility improvements, stability updates, and general polish across the pack.
No new mods have been added in this build.
Important Backup Notice
This update includes an update for Biomes O’ Plenty.
Because Biomes O’ Plenty affects biomes, terrain, vegetation, and world generation, we strongly recommend making a backup of your current savegame before updating.
Existing worlds are expected to continue working, but worldgen-related mods can sometimes behave differently after an update. A backup keeps your current world safe in case anything unexpected happens.
What Changed
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Updated many existing mods
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Updated Biomes O’ Plenty
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Improved compatibility between existing mods
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General stability improvements
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Bug fixes from updated mod versions
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Backend polish for a smoother AEROS experience
No New Mods
This update does not add any new mods.
The focus is purely on keeping AEROS updated, stable, and ready for future development.
World Compatibility
Existing worlds should continue to work, but because Biomes O’ Plenty is part of this update, please make a backup before loading your savegame in the new version.
Better safe than finding your favorite biome suddenly having a midlife crisis.
Final Note
This is a maintenance flight with some important terrain systems updated beneath the wings.
The machines are refreshed.
The biomes are shifting.
The horizon remains open.
More is coming to AEROS.

