Subnautica 2 Map

Live tracker · checked September 6, 2026

Subnautica 2 Patch Notes & Hotfix Tracker

Every confirmed Subnautica 2 Early Access patch since the May 14 launch, with the highlights that affect the resource and progression routes elsewhere on the site, plus what Unknown Worlds has publicly committed to next. We link each change back to its primary source.

EA 1.2: Buddy System

August 19, 2026 · latest major update

The co-op centric roadmap update is live. Buddy System ships Proximity Chat, Player Revive, Emotes and Player Trading - the four headline multiplayer features - though Unknown Worlds has not posted a public full patch-notes page for it yet.

What shipped

  • - Proximity Chat: positional voice for players near each other, the most requested co-op feature.
  • - Player Revive: downed teammates can be revived instead of only respawning at a Biobed.
  • - Player Trading: easier item and inventory sharing between players.
  • - Emotes: a new expression system for underwater and base communication.

Route impact: Team routes no longer need the Discord and Biobed workarounds: plan voice, revives and item sharing around the live features. Verify each feature in your own session before committing a team plan - Xbox rollout timing can lag the announcement, and this update does not change map boundaries or marker positions.

Checked September 6, 2026 against the linked sources

Early Access Hotfix 4

July 14, 2026 · latest official hotfix

Hotfix 4 is a maintenance patch for progression, base behaviour, Xbox visibility and crashes. It does not add a new biome or roadmap feature; the co-op features it predates are now live in EA 1.2.

Confirmed fixes

  • - Angel Combs now open for players who were blocked from progressing.
  • - Water currents no longer appear in player bases and interfere with movement, building or expansion.
  • - The FOV slider now appears on Xbox.
  • - Fixed an Xbox crash when joining a session invite and a separate creature-spawn crash.
  • - Players using mods should disable, remove or uninstall them before launching until each mod is updated for this hotfix.

Route impact: Install the hotfix before treating an Angel Combs block or base-current problem as a route failure. On Xbox, allow for certification and worldwide rollout timing; if the game crashes after updating, remove outdated mods first. This patch does not change current map boundaries.

Checked September 6, 2026 against the linked sources

EA 1.1: Adaptive Measures

July 8, 2026 · live

The first major Early Access roadmap update is live. It is a quality-of-life release with gameplay changes players can use now; the EA 1.2 co-op features it set up shipped on August 19, while future world expansion remains upcoming.

Confirmed player-facing changes

  • - An FOV slider is available in Settings.
  • - Biolabs can now hold six total Biomods; additional passive slots are found through Bioscanner scans.
  • - Wreck exploration, vehicle dock and fabricator placement, and audiolog behaviour received updates.
  • - Sprint is live outside water, including on the surface and inside bases; Storage Cache is a new buildable.
  • - Creature behaviour and the Silver experience in Coral Gardens received targeted changes.
  • - Xbox now shows a notice for non-Game Pass subscribers entering multiplayer; EA 1.1 also revises privacy text for the upcoming EA 1.2 Proximity Chat feature.

Route impact: Refresh movement, base-storage, Biomod, wreck and Xbox co-op access guidance against this build. Note that the Proximity Chat, trading and revive items below are now live in EA 1.2; new biomes and new vehicles remain later-roadmap items.

Checked September 6, 2026 against the linked sources

Patch impact

Use patch notes to update routes

Patch pages are useful when they change what players do next: resources, creature behavior, co-op stability and route confidence.

Early Access Hotfix 2

May 22, 2026

The second post-release update is also the largest so far - an 11-item changelog from Unknown Worlds that moves Silver and Troilite supply, fixes a teleport and infinite-oxygen bug on the modular submarine, removes the EULA reputation/disclaimer clauses, and signals more creature-balance work to come.

Changelog highlights

  • - More Silver resource areas added in the early-game region.
  • - More Troilite resource areas added in the late-game region.
  • - Hammerheads now ignore the player's Tadpole (they previously chased its lights and clustered near player bases).
  • - Modular submarine: fix for an issue that could teleport players back to base while operating the vehicle.
  • - Modular submarine: fix for an infinite-oxygen bug that could occur after dying of hunger or thirst while piloting.
  • - EULA: removed the clause barring players from "harming Krafton's reputation" via the game.
  • - EULA: removed the requirement for fan videos to carry an explicit Krafton non-endorsement disclaimer (now implicit).

Follow-ups: Unknown Worlds confirmed more changes are being worked on for creature balance and overall graphics performance, rolling out over the coming weeks.

Checked September 6, 2026 against the linked sources

Early Access Hotfix 1 + Community Feedback Letter

Mid-May 2026

The first hotfix landed shortly after the May 14 Early Access launch and was paired with a public Letter to the Community from Unknown Worlds outlining what they had heard from players and what the team would prioritise. The full text and a roadmap walkthrough are published on Unknown Worlds and the studio's YouTube channel.

Highlights

  • - Acknowledged launch-week feedback on creature aggression, base/submersible glitches and EA pacing.
  • - Established the hotfix cadence (small, targeted patches) ahead of the larger content updates on the roadmap.
  • - Linked the Hotfix 1 changelog from the official news hub - see the source links below for the verbatim list.

Where to read the line items: Use the Unknown Worlds news index as the canonical source for individual Hotfix 1 line items; community trackers below mirror the same content.

Checked September 6, 2026 against the linked sources

Hotfix 3 · Released June 1, 2026

The creature-balance fixes Hotfix 3 confirmed

Hotfix 3 (June 1, 2026) confirmed a narrower set of creature, crash, DLSS, flare, and Multitool fixes. Treat the cards below as items to verify against the official changelog, not proof that every earlier watch target shipped.

Creature attack timing

The creature-balance pass targeted hostile-creature aggression timing - making lunges and bites read more fairly before they land.

Aggro range

How far away creatures notice and commit to the player, after launch-week feedback that some encounters triggered from too far out.

Flare effectiveness

Flares as a deterrent were on the re-tune list - one of the survival tools the studio singled out when it addressed whether encounters feel fair.

Survival Tool effectiveness

Broader survival-tool balance against hostile creatures, so defensive options actually buy space instead of feeling cosmetic.

Vehicle & base interactions

Creature behaviour around the modular submarine and player bases - the Hammerhead-vs-Tadpole fix in Hotfix 2 was the first slice of this.

Graphics performance

Bundled with the creature work in the Hotfix 2 follow-up notes; targeted the performance issues raised most in launch-week feedback.

Official Hotfix 3 notes

External live trackers

Cross-check the changelog

Independent trackers that mirror Unknown Worlds' notes. We use these to confirm changes before updating our own resource guides.

Why this matters for the resource guides

Hotfix 2 redistributed Silver and Troilite pickups, so launch-week route screenshots can be out of date. Each card on the Resources page carries its own date-checked source link - if you see a discrepancy in your current build, cross-check the patch notes here first.