Barotrauma — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| Patch v1.13.5.0 | 2026-10-27 | Hello everyone! We have just released a patch to fix newly discovered multiplayer exploits as well as to pre-empt issues following Barotrauma's removal from Epic Games Store. See the list of changes below and be sure to update your game! v1.13.5.0 - Disabled crossplay support with Epic Online Services due to the game being removed from the Epic Games Store. - Fixed an exploit that allowed modified clients to freeze the server by sending malicious data. - Fixed an exploit that allowed modified clients to issue hidden orders to NPCs.* - Fixed an exploit that allowed modified clients to remotely placely detonators and other attachable items to t |
| Home & Harbor DLC coming on December 2 | 2026-10-26 | Hello everyone! The time has finally come to give our upcoming expansion a release date: Home & Harbor releases on December 2, with the free “Companion Update” coming a week earlier, on November 26. Home & Harbor The Home & Harbor DLC adds a major new system to Barotrauma with the introduction of player-owned outposts. You will be able to acquire, manage and defend your very own outpost, and reap all the benefits. The other half of the expansion is the story of the new Descendants faction. These high-tech, high-minded people shine a new light on some of Europa’s secrets, and need your help in countering a threat. The Descendants and outpost g |
| Adjustments to regional pricing | 2026-10-25 | Hello everyone! As you may have noticed, Barotrauma has just entered a new discount period: 50% off on the basegame, the Supporter Pack and the Supporter Edition. This discount runs until the end of the month and is the final discount before we make some adjustments to regional prices. As we are nearing the release of our upcoming DLC, we want to correct regional price differences to maintain a fair and equal price in all regions. Regional prices have not been adjusted for some time, and as a result of inflation, prices in certain regions have drifted further from the reference USD price point. The most significant changes will affect the fol |
| New Look, New Show - Still Daedalic | 2026-08-06 | Heyho everyone, The recent years have been an exciting journey for us. We've welcomed incredible indie developers, published games across all kinds of genres, and continued to grow alongside the amazing communities, like yourself. Today, we're excited to share the next step in that journey. Over the past two decades, we have grown from a game developer into an international publisher working with talented indie studios from around the world. While a lot has changed, one thing hasn't: our passion for unique games and the people who create them. To reflect who we are today - and where we're heading next - we're introducing our new visual identi |
| Hotfix for Summer Update v1.13.4.0 | 2026-06-18 | Hello everyone! We've just released a hotfix to address the crossplay issues in the Summer Update. This was caused by an incompatibility in one of the reworked submarines, so the hotfix fixes that as well as other minor issues we have noted since the update. Following this hotfix, we will start shifting towards our summer holidays. As usual, we will be mostly away from our desks during July, and back in business in August. We wish everyone smooth sailing and a beautiful summer! v1.13.4.0 - Fixed a missing gap in the reworked Typhon + other minor fixes. - Minor visual fixes to Orca 2. - Adjustments to Azimuth's lighting. - Tweaked Azimuth's st |
| Summer Update 2026 out now | 2026-06-16 | Hello everyone! This year’s Summer Update has just been released, with five reworked vanilla submarines and several fixes, improvements and quality-of-life additions. Find the full list of changes at the end of this post and dive in! v1.13.3.1 Submarine reworks: - Humpback, Orca 2, Azimuth, Typhon, and Herja have received their visual and gameplay reworks. - The command room of the Orca 2 is now located at the center of the submarine. - Typhon now comes with valves and pipe weakpoints. - Herja has been upgraded with a power distributor, befitting its high-tech theme. Changes and additions: - Added an option to back up your custom submarines i |
| Summer Update 2026 coming next week | 2026-06-12 | Hello everyone! While Europa remains frozen, summer has taken over the northern hemisphere of planet Earth. As is custom, we will soon be heading out for our summer break, but not before the traditional Barotrauma Summer Update. Summer Update 2026 This update is centered around submarines, and you can look forward to five reworked vanilla subs: The Tier 2 submarines Humpback, Azimuth, Orca 2, Typhon and Herja have been balanced and updated with fixes, usability improvements and spruced-up visuals. In keeping with the theme of submarine improvements, here comes a long-awaited one: You can now back up your custom subs on Steam Cloud to prevent |
| Hotfix v1.12.7.0 for the Spring Update | 2026-04-21 | Hello everyone!We have just released a hotfix to address issues found since the release of the Spring Update. Please be sure to update your game to the latest version, and see the list of changes below.v1.12.7.0- Reduced how much the new weak points in vanilla subs push bots around to make them more capable of fixing broken weak points.- Fixed selecting any item that forces the character to some pose (chairs, periscopes) getting logged in the server console.- Mac only: added a button for settings mic permissions to the audio settings. It seems that on Mac, the game updates may cause the OS to revoke the permissions.- Fixed some of the Worksho |
| Barotrauma Home & Harbor DLC first gameplay trailer and Developer diary ep. 1! | 2026-04-09 | Hello everyone! The first gameplay trailer of the upcoming Barotrauma Home & Harbor DLC was just released during the Triple-I showcase! We are incredibly excited to finally be able to show you a glimpse of what to expect later this year. But if a mere trailer did not quench your thirst for knowledge, we also released a behind-the-scenes look at the development of the DLC with our Dev Diary episode 1! In this episode, our lead developer and designer sat down for an interview about the development process so far. Check it out to learn more about how the DLC came to be, what growing pains it has gone through, and what we are most excited about. |
| Spring Update 2026 Out Now | 2026-04-09 | Hello everyone! The Spring Update has just been released, with reworked Tier 1 submarines, monster and character deconstructing, new item assemblies, plus a large collection of QOL changes and bugfixes. See last week’s preview post for a more detailed introduction and find the full list of changes at the end of this post. Be sure to update your game to the latest version to be able to host and join multiplayer servers, and may spring shine a new light into Europa’s depths! v1.12.6.2 Submarine reworks: - Tier 1 submarines (Barsuk, Dugong, Orca and Camel) have all received a visual polish as well as gameplay polishing. - Camel and Orca now uses |
| Spring Update 2026 and Triple-I Showcase coming next week | 2026-04-02 | Hello everyone! This year’s Spring Update is just around the corner now, to be released after Easter. It will be a substantial collection of fixes, changes and improvements, with a bit of new content sprinkled throughout. Here are some hand-picked highlights from next week’s Spring Update:Reworked Tier 1 submarines The Barsuk, Dugong, Orca, and Camel submarines have received long-overdue reworks. Look forward to cleaner and more detailed visuals, gameplay improvements to wiring setups and layouts plus a bunch of fixes to waypoints and other issues. The Camel and Orca will now make use of the pipe weakpoints and valves system we introduced in |
| We have a great new bundle experience! | 2026-02-21 | Heyho everyone, As you maybe already have heard through the grapevine, our friends from gameXcite have been cooking something - and it is ready for consummation: Star Trek: Voyager - Across the Unknown was just released! Not just that - we cherish our previous partners and their fans - you - which is why we were able to create a nice Bundle with Barotrauma. If you already are an owner, you obviously don’t need to buy it again, as the price will be subtracted. Take the helm of one of the finest starships and show Captain Janeway how it is really done. What if Tuvix would have survived? What if there were two B’Elanna Torres? Well, you show us! |
| Hotfix v1.11.5.0 and new music tracks | 2025-12-18 | Hello everyone!We have just released a hotfix to address issues in the Winter Update to make your sailing smoother over the holidays. See the list of changes below and be sure to update your game to the latest version.With the Winter Update last week we also added a few new remixes to the Supporter Pack soundtrack and to streaming services. Check out "Zack The Rabid Ripper Remix", "Alien Syndicate Remix", "Seafloor Cries Sub-Night Remix" and "Accordion Some-Kind-Of-Irish Remix".Happy holidays, everyone!v1.11.5.0 - Fixed players sometimes retaining their old inventory items if they die and respawn on a later round. - Fixed inability to order b |
| Daedalic presents: The "4 is a Party"- Event | 2025-12-09 | Heyho everyone, As some of you already know, we try our best to bring you our titles for the best prices and because of that, often have parts of our portfolio on sale - sometimes it’s difficult to find a good reason - that’s why we make them ourselves and celebrate gaming as a whole: Welcome to our second run of our “4 is a Party” Steam event, this time with Barotrauma among many other brilliant multiplayer titles. The event will be running from December 8th - 15th. This neat co-op celebration brings together over 100 multiplayer games with discounts of up to 90%, featuring not only titles from us, but Devolver Digital, Team17, Raw Fury, Nac |
| Winter Update 2025 out now | 2025-12-08 | Hello everyone!The Winter Update 2025 has just been released, with a new submarine “Wallaby", and a long list of fixes and improvements. Be sure to update your game to the latest version to be able to host and join servers, and see the full list of changes below.v1.11.4.1Changes and additions:- Wallaby, a new tier 2 Attack class submarine. Boasts an unexpectedly high amount of firepower for its size, while also providing a full set of fabrication facilities, but also includes weak points in the pipe system which can cause water hazards inside the sub.- Added valves and weakpoints. Weakpoints are pipes that can break, causing a water hazard (w |
| Winter Update preview & DLC sneak peek | 2025-12-05 | Hello everyone! As we’re closing in on the end of another year, it’s time to take a look at what Barotrauma’s Winter Update 2025 has to offer. Like our earlier updates this year, this one will also focus on fixes and improvements, with some new content sprinkled in. What’s new in the Winter update For the first time in a while, we’re adding a new vanilla submarine. The Wallaby, a new Tier 2 Attack class submarine, is a smaller sub with a surprising amount of firepower. The Wallaby also uses the new pipe weakpoint and valve system we are introducing in this same update. When a weakpoint bursts and starts spewing water, turning the valves can h |
| Hotfix 1.10.7.2 for the Autumn Update | 2025-10-22 | Hello everyone! We have just released another hotfix for the Autumn update, focused on improving the server browser filter, to help players deal with the ongoing issue of spam servers. We apologize for the inconvenience and thank you for your patience while we combat this issue. 1.10.7.2 - Various improvements and optimizations to spam filter processing - The optimizations makes it possible to add homoglyph processing for all fields - Added spam filter options that support regular expressions |
| Hotfix v1.10.7.1 for the Autumn Update | 2025-10-10 | Hello everyone!The DoS attack on our servers and the spam on the server list we mentioned in the previous post is still ongoing, and we've just released another hotfix to add some more in-game countermeasures against them while working on more robust server-side solutions to the issues. We're sorry for the inconvenience and thank you for your patience as we continue to monitor and counter this problem.v1.10.7.1- Additional fixes to multiplayer exploits.- Fixed inability to rename a bot you've taken over in permadeath mode. |
| Hotfix v1.10.7.0 for the Autumn Update | 2025-10-02 | Hello everyone!We've just released a second hotfix to address issues affecting Barotrauma following the Autumn Update. Be sure to update your game, and see the changes below.v1.10.7.0- Fixed crashing when editing a beacon station's, wreck's or enemy sub's min/max level difficulty settings in the sub editor before you have saved the sub for the first time.- Additional fixes to multiplayer exploits.You may also have noticed warnings or errors in the game about "failing to connect to the master server" in the past week. These were caused by an ongoing DoS attack on our servers, which run the Barotrauma website, wiki and support for certain in-ga |
| Hotfix v1.10.6.0 for the Autumn Update 2025 | 2025-09-25 | Hello everyone! We have just released a hotfix to address issues in the Autumn Update 2025. Find the full list of changes below, and make sure to update your game to the latest version to receive the fixes. v1.10.6.0 - Fixed contextual orders no longer working even if you were within radio/speaking range of a bot. - Fixes to several multiplayer exploits, including one that allowed clients to cause server-side lag by sending specifically crafted messages to the server, even if the server didn't allow them to join. - Fixed a bug caused by the water flow changes in the previous update: water flow through gaps in inside the submarine was much fas |
| Autumn Update out now | 2025-09-17 | Hello everyone!The Autumn Update has just been released, with many fixes and improvements. Below are the highlights of the update, and you can find the full list of changes at the end of this post.Added new "Blueprint" type of items, which are needed to unlock crafting recipes and make use of Alien materials. Blueprints can be found as loot or some can be bought from traders.Railgun rebalance: Railguns now behave more as expected as they can hit multiple targets rather than disappearing on the first hit.Grenade aiming improvements.Broad spectrum antibiotics and antibiotic glue balance passes: BSA has a more universal effect, glue is more situ |
| Autumn Update coming next week | 2025-09-12 | Hello everyone!It's time for the next Barotrauma update. In keeping with our other releases this year, the Autumn Update is light on content, as we've all hands on deck working on the upcoming Home & Harbor DLC, but this update should improve your experience on Europa in many ways. Here are the highlights:Added new "Blueprint" type of items, which are needed to unlock crafting recipes and make use of Alien materials. Blueprints can be found as loot or some can be bought from traders.Railgun rebalance: Railguns now behave more as expected as they can hit multiple targets rather than disappearing on the first hit.Grenade aiming improvements.Bro |
| Hotfix v1.9.8.0 for the Summer Update 2025 | 2025-07-01 | Hello everyone! We have just released a hotfix to address issues in the Summer Update 2025. Find the full list of changes below, and make sure to update your game to the latest version to receive the fixes. v1.9.8.0 - Fixed RegEx components occasionally timing out for no apparent reason (even if the expression isn't particularly performance-intensive). Seemed to have been caused by RegEx changes in .NET 8. - Fixed the game sometimes freezing for a long time at a specific point during the loading screen. Only affected some players: the issue had to do with the game failing to connect to a server to check whether the player has given their cons |
| Summer Update 2025 out now! | 2025-06-17 | Hello everyone! This year’s Summer Update has just been released, with a long list of fixes, improvements and small additions. Here are some of the highlights: Support for Steam Timeline: When you record gameplay directly within the game using Steam’s Timeline feature, the game adds markers about notable events in the game. The new Rifle Scope will help some weapons in long-range battles. Power Distributor with 8 power outputs and sliders that can be used to control how much of the input power is distributed to each output. Scaling and rotation tools to the submarine editor. Pet improvements submitted by Uberpendragon. (Thank you!) A few new |
| Home and Harbor Expansion coming next year | 2025-06-08 | Hello everyone!It’s time to officially announce that Barotrauma is getting a major expansion: the Home and Harbor DLC is planned for release next year, with brand new gameplay, mechanics, and story.The upcoming expansion consists of two main parts: Base building and a new faction. Both tie in seamlessly with the basegame campaign, unlocking new ways to enjoy Barotrauma.Base buildingThe Home and Harbor expansion brings a whole new dimension to the game: You will be able to gain ownership of your very own outpost. You can then upgrade, expand, customize, manage and defend your base in many different ways, and gain perks that help you along your |
| Hotfix v.1.8.8.1 for the Calm Before the Storm update | 2025-04-29 | Hello everyone! We have just released a hotfix to address a number of issues with the Calm Before the Storm update. Find the list of changes below, and remember to update your game to the latest version to receive the fixes! v1.8.8.1 - Fixed client list often appearing empty in the server lobby when joining mid-round while a campaign was active. - Fixed job variant selection panel rendering below the job selection panel, often making it unusable. - Fixed job variant selection only working in the server lobby, not in the tab menu mid-round. - Fixed inability to preview loadouts if there's only one variant of a job available (e.g. assistants). |
| Try Barotrauma for free this weekend! | 2025-04-17 | Hello everyone! As a follow-up to last weeks' Calm Before the Storm update, we're having our first play-for-free event since version 1.0 – starting now and until next Monday, you can dive right into Europa's dangers for free! If you like what you see this weekend and would like to continue your submarine journey even after the event ends, you can get Barotrauma for 50% off until 26 April. For the lore-hungry new players, don't forget to check out the stories inside the "Barotrauma Supporter Pack", which is also discounted for the same duration. We look forward to seeing new sailors in great numbers and wish you the best of luck. Welcome to Eu |
| Hotfix v1.8.7.0 for the Calm Before the Storm update | 2025-04-16 | Hello everyone! We have just released a hotfix to address issues with the Calm Before the Storm update. Find the changelist below, and remember to update your game to the latest version to receive the fixes! v1.8.7.0 - Fixed an AI bug that made bots scared of water, making them seek safety from flooded rooms even when they were wearing diving suits. - Fixed non-hitscan projectiles registering hits with characters that are behind the weapon, even if the barrel is in front of the character. - Fixed submarine maintaining an incorrect position (= starting to steer somewhere completely off) when you enable "maintain position" and then enter a new |
| Out now: Calm Before the Storm update | 2025-04-10 | Hello everyone! The Calm Before the Storm update has just been released. It includes the new Reserve bench feature, improvements to Jovian radiation, new and improved abandoned outpost modules, new loading screens, level backgrounds and background creatures, plus a long list of bugfixes, optimizations and bot AI improvements. You can read more about the update in our previous post and check out the full list of changes below. Make sure to update your game to the latest version in order to join and host servers, and enjoy the Calm Before the Storm! v1.8.6.2 Changes and additions: - Added PvP versions of outpost levels for all biomes. Previousl |
| Coming next week: Calm Before the Storm update | 2025-04-04 | Hello everyone! The Calm Before the Storm update is coming next week, so let’s have one last glance at what’s gathering on the horizon. Reserve Bench: Hire bots into reserve, to be called into active duty later. Bots can be called into active duty at the HR manager, or when you lose a character in Permadeath mode. Visual improvements: Keep your eyes peeled for new loading screen images, level backgrounds in the Cold Caverns and the Great Sea, and new background creatures swimming in the distance. Jovian radiation improvements: The intensity of the radiation will ramp up quicker the deeper you are in a radiation zone, and will eventually becom |