Update History

This article's aim is to provide a timeline of the various updates to the stable version and the most important additions of certain updates.

Upcoming Updates
'Note: These updates have not been implemented into Subnautica, and changes, such as the release date are bound to happen. All information is taken from Trello.'

Silent Running (Cyclops V2.0) - April 27, 2017

Prison End Game - May Internal feature complete - June July - Polish Month August, September, October End Of September or October - Launch v1.0
 * New UI Phase 1 (survival, HUD)
 * Make Escape Pod Kinematic
 * Silent Running Cyclops Tech
 * Try fade checkbox to reduce pop-in
 * Fix 1 second pause between switching Tools
 * Tune algorithm for choosing what to load next to reduce pop-in
 * Internal
 * Play Cinematics But Disable Camera for VR
 * Start PS4 Port (as a test)
 * Mushroom Forest Teleporter Cache
 * Crag Field Teleporter Cache
 * Craftable Time Capsule
 * Fix terrain seams
 * Redo Crafting Icons
 * Prison
 * Prison Antechamber
 * Prison Moonpool room
 * Prison Aquarium
 * Fill In Some Empty Spaces
 * Rework some of the Crash Zone area near the edge of the Aurora
 * Rework Game Modes Into Custom UI
 * Compress Save Files
 * New PDA UI and phase 2 UI
 * Internal
 * Rocket polish pass (but holding back)
 * Unity In-House Performance Help?
 * Fix the void or make it dangerous to be in (Ghost Leviathan, Sea Dragons, etc.)
 * FOV Slider
 * Fix Broken Transitions in Sandy Areas
 * Fix missing and extra coliders near Aurora (esp, getting in)
 * Polish Mobile Vehicle Bay and usability
 * Credits screen
 * Cyclops Trademark Notice
 * Blast off sequence (hold back)
 * End Game Tasks
 * Minimum Achievements for XB
 * Cutefish (for people who bought before V1.0) (Special Edition)
 * Plan for Cutefish on XB1
 * Pass on a couple lower-detail Kelp Forest areas
 * Xbox Trailer
 * Re-apply to PEGI to get it closer to our E10+
 * Communicate price increase?
 * Tons of Performance Work
 * Launch Trailer
 * Start working on expansion!
 * Internal
 * Prep Special Edition
 * Design and start filming trailer
 * Prep Soundtrack Files
 * Submit XB1 v1.0 cert (1 month delay)
 * Submit game to ESRB to double-check
 * Design Launch Site
 * Big community translation push
 * Investigate retail version
 * Microsoft Code to Content Program (Selling Keys in Retail)
 * Press tour around San Francisco
 * Price increase at v1.0
 * Possible firewatch style event at the box
 * Subnautica China Launch
 * Team trip to Hawaii? Thailand? :)
 * Ship date thoughts from Microsoft

2017
Infected Update - March 2, 2017 Castles & Coffee Update - January 26, 2017
 * Primary Containment Facility exterior
 * Disease Research Facility interior
 * Lost River Laboratory added
 * Big polish to the Lost River Ghost Canyon
 * Self scanning implemented
 * Carar now infects the player
 * Added Crag Field biome
 * Improved Scanner Room map
 * PDA drag and drop implemented
 * Sea Dragon Leviathan, Ancient Skeleton, Disease Research Facility Skeletons implemented
 * New Crabsnake egg model implemented
 * Fixed Lava Larva hitbox
 * Lava Castle smoke implemented
 * Dunes Sinkhole revamped
 * Blood Kelp Precursor Cache entrance made more visible
 * New Alien Drone animations
 * New Crabsquid animations
 * New Warper animations
 * New Hoverfish animations
 * New Bleeder animations
 * Sea Dragon Leviathan attacks revamped
 * Deep Grand Reef entrance tunnel to the Inactive Lava Zone removed
 * Precursor Thermal Power Generator implemented
 * Lava Castle revamped and polished
 * Coffee Vending Machine implemented
 * You can now get Coffee
 * Alien Robot implemented
 * Blue Precursor Artifact implemented
 * Dunes Crater, Blood Kelp Dunes Transition And Blood Kelp Mountains transition added
 * New Vending Machine model
 * Snacks added
 * Ping Manager implemented
 * Oxygen warning shortened
 * Ion Power Cell and Ion Battery implemented
 * Halved Seaglide light energy cost
 * Quartered Seaglide active energy cost
 * Removed frame-rate dependence problem with Seaglide energy usage
 * Removed Kyanite from Blood Kelp Zone (only drillable now)
 * You can now skip time by sleeping in Beds
 * New Gravsphere model and features
 * Removed Bases terraforming land
 * Luggage Bag storage implemented
 * Lab Trash Can and Trash Can now work
 * Blood Kelp Zone and Dunes Precursor Caches implemented
 * New Air Bladder model and animations
 * Added Kyanite to recipe for 3rd stage of the rocket (resource sink)
 * Reaper Leviathan Skeletons implemented

2016
Precursor Update - December 15, 2016
 * Sunbeam implemented
 * Avery Quinn
 * Ion Crystals added
 * Quarantine Enforcement Platform added
 * Precursor Teleporters added
 * Purple Precursor Artifact added
 * Precursor Artifact terminals added
 * Floating Island and Lost River polish
 * More Floating Island Beaches added
 * Fall Damage added
 * You can now use the PDA in vehicles
 * Sparse Reef Precursor Cache implemented
 * Mountain Island's caves are expanded
 * HUD notifications for radio messages
 * New PDA updates for Wrecks
 * Continued work on optimization & stability improvements
 * Land-based movement improvements
 * Extensive loot balancing for player progression
 * Constructable Improvements
 * Special Giveaway Items

Bones Update - October 27, 2016
 * Lost River Ghost Tree Chamber added
 * Lost River Bones Field added
 * Lost River Junction added
 * Lost River Precursor Base exterior added
 * New Pipe models added
 * New Reefback additions and improvements added
 * Mesmers are more mesmerising
 * Spine Eel implemented
 * New models for Reinforced Dive Suit and Stillsuit added
 * Subnautica now works on the HTC Vive

Dangerous Creatures/Tree Cove - September 22, 2016
 * Lost River - Tree Cove added
 * Sea Dragon Leviathan added
 * Warper added
 * Crabsquid EMP blast added
 * Heat damage added
 * Reinforced Dive Suit added
 * Ghostray added
 * Crimson Ray added
 * Deep Grand Reef Abandoned Seabase added
 * Kyanite Crystal added
 * Main Menu Logo updated

2016 August 23: PRAWN UPDATE
 * Prawn Suit added
 * Prawn Suit Drill Arm
 * Prawn Suit Grappling Arm
 * Prawn Suit Jump Jet Upgrade
 * Prawn Suit Propulsion Cannon
 * Prawn Suit Thermal Reactor
 * Prawn Suit Torpedo Arm
 * Lava Larva added
 * Lava Lizard added
 * Lava Eyeye added
 * Lava Boomerang added
 * Crashfish eggs added
 * Sprint ability added
 * Cyclops cameras now have lights
 * The Encyclopedia now has icons after scanning
 * Inactive Lava Zone and Active Lava Zone both get massive overhauls
 * Kitty, Prawn Suit and Aurora Posters added
 * It is now possible to quit to the Main Menu

2016 June 1: POWER NAP UPDATE
 * Beds added
 * Sea Treader added
 * Power Cell Charger added
 * Battery Charger added
 * Seamoth Gas Torpedo added
 * New Solar Panel model
 * Starship Souvenir added
 * Wall Shelves added
 * Single Wall Shelf added
 * Arcade Gorge Toy added
 * Luggage Bag added
 * Caps added
 * Trash Can added
 * Lab Trash Can added

2016 May 6: MACHINERY UPDATE
 * Scanner Room
 * Bioreactor, Nuclear Reactor and Thermal Plant remodeling
 * Cyclops 2.0
 * The default depth has been increased from 200m to 500m
 * Proximity sensors have been added to assist with navigation
 * Lockers on lower deck are now functional
 * Added exterior stationary hull cameras that can be accessed while driving
 * New hatch animations means the hatch opens and closes when approached
 * Crabsquid
 * Added the Northen Blood Kelp Zone
 * Fauna that are eaten or killed will respawn
 * Waterproof Locker gets new model, features and animations

2016 April 5: OCULUS UPDATE
 * Oculus Rift is now fully supported
 * You can now sit in all the Chairs and on Benches
 * Sitting in Chairs and on Benches slows down food and water depletion
 * Airsack, Boneshark, Reefback, Stalker, and the Reaper Leviathan have new and better animations
 * Fragments will now spawn mostly within Wrecks
 * Oxygen is now only produced when your Seabase, Seamoth, and Cyclops has power
 * Different sound effects for multiple Tools
 * Main Menu has a new background

2016 March 16/May 17 (Xbox One release): CRASH SEQUENCE
 * Intro Sequence added
 * Fire Extinguisher added
 * Medical Kit Fabricator added
 * You can now fully repair Lifepod 5
 * You can also repair the Communications Relay
 * New PDA boot up sequence

2016 February 25: FARMING
 * Abandoned Seabases implemented
 * Large Aquarium added
 * Farming added
 * Nearly every Flora can be harvested now
 * Spotlight added
 * Planter Shelf added
 * Exterior Growbed added
 * Interior Growbed added
 * Plant Pots added
 * Living Wall added
 * Light Stick added
 * Eggs added
 * Location accurate lighting (Part of Flood Of Dead Bugs)
 * Many more Wrecks added

2016 January 28: FLOOD OF DEAD BUGS
 * Floodlight added
 * >50 bugs fixed
 * Location accurate lighting (lots of objects now don't reflect the Safe Shallows anymore)

2016 January 14: H2.O UPDATE
 * Massive overhaul of water graphics
 * Scanner added
 * Ocean environment updated
 * Items now have proper 3D models
 * Subtitles added
 * Language support added
 * New Fragment system
 * PDA Data Bank and Encyclopedia added
 * Message log in PDA

2015 ALPHA STAGE
2015 December 15: GET WRECKED 
 * The first Wreck added
 * Laser Cutter added
 * NS2 Poster added

2015 November 20: WATER FILTRATION MACHINE
 * Water Filtration Machine added
 * Big Filtered Water added

2015 November 5: SHOCKING UPDATE
 * Shocker added
 * Seaglide now has a topographic map
 * Picture Frame added
 * Volume controls in the pause menu added
 * PDA Log section added
 * PDA gallery added
 * PDA Animation added
 * Crabsnake added
 * Ladders can now be placed in more places in the Multipurpose Room
 * Blood Kelp Zone added
 * Blood Biter added
 * Cave Crawler reskinned
 * Spinefish added
 * Blood Crawler added
 * Blood Oil added
 * Bloodvine added
 * Blood Cave Root added
 * Deep Shroom added
 * Gabe's Feather added

2015 September 10: SEAMOTH UPDATE
 * Seamoth now has an upgrade panel
 * Vortex Torpedo added
 * Seamoth Perimeter Defense System added
 * Seamoth Sonar Module added
 * Seamoth Hull Reinforcement Module added
 * Battery Expansion Module added
 * Armour Plating Module added
 * Seamoth can now be customized
 * Upgrade Console added
 * More Caves added
 * Mountain Range Caves added
 * Biter added
 * Oculus added
 * Mountains Biome added
 * Mountain Island added
 * Koosh Zone extended
 * Mushroom Forest extended
 * Underwater Islands extended
 * Kelp Forest extended
 * Jelly Shroom Caves lighting improvements
 * Creative Mode added
 * PDA Operating System updated

2015 August 6: HABITAT UPDATE
 * Moon Pool added
 * Observatory added
 * Multipurpose Room added
 * Bulkhead doors added
 * Small Locker added
 * Signs and Seabase names added
 * I-Corridor Glass and L-Corridor Glass added
 * Vertical Connector added
 * Grand Reef expanded
 * Deep Grand Reef added
 * Magnetite added
 * Creepvine Seed Clusters added

2015 June 19: MACWORLD UPDATE
 * Subnautica is now playable on Apple (Mac) computers
 * Underwater Islands added
 * Sparse Reef added
 * Repulsion Cannon added

2015 May 28: ALTERRA SCIENCE UPDATE
 * Workbench added
 * Propulsion Cannon added
 * Survival Knife, Tank, and Fins can now be upgraded.
 * Heat Knife added
 * Diamond Knife added
 * Swim Charge Fins added
 * High Capacity Tank added
 * Plasteel Tank added
 * Ultra Glide Fins added
 * New Cyclops additions
 * Cyclops's doors now open/close
 * Cyclops now has an upgrade console
 * Cyclops's lights improved
 * Cyclops now has upgrades
 * Cyclops can now be customised with colors
 * Beacons are now nameable

2015 April 30: CRASH SITE UPDATE
 * Aurora now explodes
 * Aurora now explorable
 * Radiation now spreads over time
 * Reaper Leviathan added
 * Radiation Suit added
 * Cave Crawler added

2015 March 13: BASES UPDATE
 * Seabases added
 * Habitat Builder added
 * Buildable Fabricators added
 * Foundations added
 * Hatches added
 * Corridor added
 * L Corridor added
 * T Corridor added
 * X Corridor added
 * Ladders added
 * Windows added
 * Reinforcements added
 * Hull Integrity added

2015 February 25: NEW LOOT SYSTEM
 * Loot system updated

2015 February 5: CYCLOPS INTRODUCTION
 * Cyclops added
 * Seamoth can now be docked (inside Cyclops)
 * Cyclops is nameable

2015 January 16: DEV UPDATE 8
 * In-game feedback system added
 * Stasis Rifle added
 * Terraformer added
 * Load/Save added
 * Menu updated
 * Pipes added
 * Air Bladder added
 * Bleeder added
 * Boneshark added
 * Compass added
 * Current Generator added
 * Inventory system updated
 * You can now dump unwanted loot much easier
 * Beacons are added and craftable
 * HUD elements updated

2014 PRE-ALPHA STAGE
2014 December 23: DEV UPDATE 7
 * Gravsphere added
 * Lifepod 5 storage added
 * Now supports Oculus Rift DK2
 * Storage Cubes added
 * Oxygen replenishes faster
 * Lifepod Beacon now doesn't disappear from far distances
 * Gasopods now release more defensive gas when you approach them
 * Fixed the problem when PCs with Nvidia SLI setups don't see the oxygen bar
 * Lifepod 5's Beacon is now visible from farther distances
 * Oxygen now replenishes more quickly at the surface
 * Large Creature's AI is now improved

2014 December 16:
 * Subnautica Early Access released

2014 December 7: 
 * Flare and Sand Shark added to Subnautica

2014 November 22
 * Floater added to Subnautica

2014 November 14:
 * Deformable environment added

2014 November 5:
 * Experimental Mode is added to Subnautica

2014 September 27:
 * Gasopod is added to Subnautica

2014 September 5:
 * Cyclops flooding is being developed

2014 August 23:
 * Cyclops is announced and being developed

2014 July 8:
 * Aurora is added to Subnautica

2014 April 24:
 * Subnautica release at PAX still in Pre-alpha stage

2014 April 11:
 * Subnautica created still in Pre-alpha stage

2013
2013 December 15
 * Subnautica first announced