Europa Universalis IV Update — Mod Compatibility Status & Broken Mods List
🧠 What This Means for Modders
Hotfix 1.37.4 is Now Live! — a general update — most mods survive, but check the broken list below. Roll-back guide →
📋 Patch Notes
Greetings all! We are aware that our latest patch seems to have been causing some issues - this was obviously not our intention. We should have responded quicker to your concerns, and for failing to do so we are sorry. Thank you to all of you whom helped your fellow gamer to rollback game version and other workarounds. Save games should be unaffected by this hotfix. although no guarantees can ever be given. As always, please report any issues in our [url=https://forum.paradoxplaza.com/forum/forums/euiv-bug-reports.1163/]bug report forum[/url] or submit a [url=https://support.paradoxplaza.com/?_gl=1*11595ki*_ga*ODc0NTQ4MDE2LjE3MDczOTIyMDQ.*_ga_6VRCPQ92DR*MTcxODI2MDk4NS4yNjYuMS4xNzE4MjYyNzQ0LjAuMC4w]support ticket[/url] Hotfix 1.37.4 Patch Notes ################### # Bugfixes ################### - Fixed a bug not allowing to split boats into two navies with reorganize window outside of harbors while the game is unpaused as the window disapped when a day passed. - Fixed land unit types being changed while teching up. - Fixed a CTD with countries being full annexed by a 3rd party while at war - Fixed a CTD with auto peace deals - Removed a cooldown on AI leaving coalitions. - Moved the separatist sentiment delay to immediate - Fixed the button to call allies to wars.
✅ 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 (0)
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.
None yet.
↩️ 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 Europa Universalis IV updates — click to read each patch note.