UBOAT Update — Mod Compatibility Status & Broken Mods List
🧠 What This Means for Modders
2026.1 Patch 21 — a general update — most mods survive, but check the broken list below. 1 mod flagged as potentially broken below ↓.
📋 Patch Notes
Dear captains, There is a new patch available for update 2026.1. Changelog: [h3]Missions:[/h3] - Fix: In Enigma recovery assignment, if the wreck disappears for any reason, it's respawned where it should be. - Fix: Resolved general issue that could break mission scripts. - Fix: Mission with upgrading from Type IIA U-boat wasn't progressing as intended when port menu was open. - Fix: Blockade in the assignment with planting the mines, where objective was asking to free up space for 0 mines. [h3]UI:[/h3] - The button in port menu to visit the quarters is now accessible for blockades that last less than 30 minutes. - The skip menu is now always automatically set to wait out for the next event rather than maxing out the waiting time on the slider. - Fix: Resolved an issue with dialogues with port officers not working in certain cases. - Fix: Issue with being unable to leave an assignment selection screen. - Fix: Course to view button wasn't working consistently. Some clicks had no effect due to physics race condition. - Fix: Issue with arriving letters/newspapers cutscene not working correctly when port menu was open. [h3]Graphics:[/h3] - Fix: Various graphical artifacts in the model of sunk U-boat in Enigma recovery assignment cutscenes. - Fix: Underwater particle effect in Enigma recovery assignment cutscene wasn't properly faded at the edges. - Fix: Resolved an issue with purple eyes appearing on some sailors. [h3]Type IX:[/h3] - Fix: Chest used by a sailor to block one of the leaks in the control room was blocking access to the ladder and causing various pathfinding issues. [h3]General:[/h3] - Fix: Resolved an issue with being unable to save the game state in long playthroughs. Decreased a save file size in long playthroughs. - Fix: Resolved an issue with black screen after loading a save file saved in a certain situation or switching to a torpedo station after the assigned character died. - Fix: Issue with pathfinding on Type IX conning towers, that could sometimes make characters stuck. Yours, DWS
✅ Mods Updated for This Patch (0)
These mods were updated after the patch — safe to use on the current version.
None yet.
⚠️ Mods That May Be Broken (1)
These native mods may not work until the author updates them. Everything else is unaffected — .esp, texture, and Papyrus-script mods are version-independent and survive patches.
↩️ How to Roll Back / Downgrade
Steam: open the Steam console (steam://nav/console) and run `download_depot <appid> <depotid> <manifestid>` to download the pre-update build, then copy those files over the updated ones. Set the game to "only update when I launch" (Properties → Updates). Always back up the game folder before a patch.
🕘 Previous Updates
Older UBOAT updates — click to read each patch note.