Jun 12, 2026
View on Steam↗Summer Update 2026 coming next week
2/5 Minor
BETAFive Tier 2 vanilla submarines receive major visual and balance reworks alongside new Steam Cloud backup support for custom designs.
Key Changes
- 1Reworked five Tier 2 vanilla submarines (Humpback, Azimuth, Orca 2, Typhon, Herja) with new visuals and balance
- 2Introduced Steam Cloud backup support for custom submarines in the editor
- 3Fixed a multiplayer exploit used by modified clients to force desyncs and disconnects
- 4Resolved an issue where bots could not extinguish fires in connected sub-modules like the Remora's drone
- 5Fixed security NPCs failing to react when players attack stunned or incapacitated targets
- 6Optimized network usage for Fractal Guardian steam cannon attacks in multiplayer
All Changes
🚢Submarines(6)
- changeHumpback: Reworked with balance changes, fixes, usability improvements, and updated visuals.
- changeAzimuth: Reworked with balance changes, fixes, usability improvements, and updated visuals.
- changeOrca 2: Reworked with balance changes, fixes, usability improvements, and updated visuals.
- changeTyphon: Reworked with balance changes, fixes, usability improvements, and updated visuals.
- changeHerja: Reworked with balance changes, fixes, usability improvements, and updated visuals.
- newSubmarine Editor: Added a new option in the save dialogue to back up custom submarines to Steam Cloud.
🎮Gameplay(2)
- fixSecurity: Fixed an issue where security and other NPCs would not react to players attacking stunned or incapacitated characters.
- fixRemora: Fixed bots being unable to extinguish fires in connected sub-modules, such as the drone.
⚙️Technical(2)
- fixMultiplayer: Fixed an exploit that allowed modified clients to cause other players to desync and disconnect.
- fixFractal Guardian: Fixed monster attacks that run over time, such as the steam cannon, causing excessive network usage in multiplayer.
🛠️Tools(1)
- changeConsole Commands: Added improvements and new functionality to teleportsub, spawncharacter, and spawnitem commands.
Summary
The Summer Update 2026 focuses on refreshing the mid-game submarine experience by overhauling five Tier 2 vessels: Humpback, Azimuth, Orca 2, Typhon, and Herja. These submarines have been updated with improved visuals, balance adjustments, and usability fixes. Additionally, the update introduces a long-requested Steam Cloud backup feature for custom submarines within the editor. Technical improvements include a fix for a multiplayer desync exploit and optimizations for network usage during specific monster attacks.