- Steam App
- Derail Valley (588030)
- Event type
- patch note
- Published
- 4 October 2025 - 09:00:43 UTC
- Source
- steam_community_announcements
Hey everyone!About This PatchWe have a small and quick update today. Two days ago, Unity, the game engine that Derail Valley is based on, announced a newly discovered security vulnerability and a patch for it (more info here).We included the patch in Derail Valley today, for increased safety. No confirmed exploits have been observed so far in any Unity-based games, so no one should be affected - this is just precautionary.That said, we advise you all to update the game as soon as possible, now that the vulnerability is publicly known. This update doesn't include any changes to the game itself, only the engine.About Build 100While we're here, it is a good opportunity to give you a quick update on B100, the next major update:The work is deep in progress, now with concretely defined goals of what we aim the end result to be. Most of the team is currently undergoing low level infrastructural...