Subnautica 2 Early Access Buddy System Hotfix 1

AI summary42m

Hotfix 1 for Subnautica 2 Early Access Buddy System fixes localization, saves, base systems, pathing improvements for Collector Leviathan, AI interactions, inventory sharing, and various stability issues.

▲Buffs4

Character/Gameplay InteractionTadpole / Haul:Fix ensures oxygen restoration occurs reliably when attached to Tadpole or Haul vehicles.→Players attached to a Tadpole or Haul now reliably receive oxygen replenishment
Collector Leviathan
- Collector Leviathan:Leviathan navigates lower canyon areas more reliably and collides with less false positives, improving encounter consistency.→Improved pathing in lower canyon areas; tightened collision detection
- Collector Leviathan:Expands how far the Leviathan can detect trackers, making hunts more dynamic.→Increased tracker detection radius
Current and ShelterCurrents no longer push players around when they are safely inside bases.→Fixed currents affecting players while sheltered inside bases

▼Nerfs1

Character/Gameplay InteractionTadpole:Disables inventory sharing when a player is mounted on a Tadpole to prevent exploits.→Blocked inventory sharing while riding in a Tadpole

✚Bug fixes8

Base and Save Systems
- Fixes cases where refunding base items stored on wall racks did not refund properly.→Refunds for items stored on wall racks now work correctly
- Fixes tooltip that showed save version compatibility information incorrectly.→Save/version compatibility tooltip now displays correctly
Base Power and Interactionbase power transmitter:Corrects beam alignment and flicker behavior for the base power transmitter; improves visual consistency.→Fixed offset and flickering; added subtle VFX randomization for natural look
Power ManagementStabilizes power networking so base construction doesn't cause unstable power states post-build.→Fixed interactions to ensure stable power states after builds
Inventory UIinventory share popup:fixes a lingering inventory sharing popup when separating from another player.→Inventory share popup now dismisses after driving away from another player
Inventory and DyingPrevents crashes or glitches when a player dies while sharing inventory.→Fixed issues when dying during inventory sharing could cause problems
Interaction / CraftingScout Ray chassis carry point:Ensures players can interact with the Scout Ray chassis carry point without obstruction.→Fixed a collision issue that blocked interaction with the Scout Ray chassis carry point
Push-to-TalkProximity Chat:Resolved issues with Push-to-Talk input in Proximity Chat to improve communication.→Push-to-talk input issue fixed

◆Other changes9

LocalizationCorrected issues where translations were not shown for PDA/Databank descriptions and for new Pioneer names Jegna and Grace.→Fixed translation display for PDA/Databank descriptions and Pioneer names Jegna/Grace
Base and Save Systems
- Adds build/branch tracking to saves to prevent loading incompatible saves from older builds.→Save files track build number and branch to prevent incompatible loads
- Adds clearer logging for save failures to aid debugging.→Improved error logging for save failures
- Removes stale spawn data to keep saves smaller and cleaner.→Cleaned up leftover data from base item spawn system to reduce save bloat
Ambient/EnvironmentalWater Slug:Prevents breath indicators from appearing when the Water Slug is in inventory, reducing confusion.→Breath markers appear only when Slug is a physical object, not in inventory
Air BladderAir Bladder:Adds a descriptive subtitle for inhaling with the Air Bladder for clarity.→Added new subtitle/text string for the Air Bladder inhale action
Misc Engine/Crash
- Improves robustness of crash reporting and engine analytics for faster issue resolution.→Various engine and crash reporting refactors for more reliable diagnostics
- Underlying build stability improvements to reduce flaky issues on launch.→General compile and build stability fixes
Prodding / MiscUsers are warned to disable mods to prevent startup crashes after the hotfix.→Players advised to disable mods before launching; mods not updated may cause crashes

subjects affected (15)

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How did this patch land?

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official notes

Subnautica 2 · Sep 1, 2026

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Patch history

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