- Steam App
- Hope: A Sky Full of Ghosts (3072180)
- Event type
- patch note
- Published
- 25 October 2025 - 19:39:55 UTC
- Source
- steam_community_announcements
Hello crew! 👋🏼We wanted to let you know that we've rebuilt the demo using the latest version of the Unity engine in response to a recently discovered security vulnerability (CVE-2025-59489) affecting versions from 2017.1 and onward.While there's no indication the flaw was ever exploited in our build, we believe in staying proactive. This update ensures you’re playing on a secure foundation.Thanks for playing and supporting Hope: A Sky Full of Ghosts.Fly free!