It seems to me a recent change in the Steam client's usage of CEF triggers a Unity bug which is a decade old. I already found the problem in the following native games:
Take a look here for my analysis of the problem: https://ein-eike.de/2025/06/05/fix-for-old-unity-games-for-linux-not-starting-anymore/
I don't expect many developers to fix those old games. Would it be possible to revert this in the Steam client?
PS: I put this as an extra bug here, as the visibility in #12079 is probably low.
Hello @eikesauer, please do not intentionally open duplicate issue reports. Closing in favor of the older issue report.
Nothing extracted yet.
It seems to me a recent change in the Steam client's usage of CEF triggers a Unity bug which is a decade old. I already found the problem in the following native games:
Take a look here for my analysis of the problem:
https://ein-eike.de/2025/06/05/fix-for-old-unity-games-for-linux-not-starting-anymore/
I don't expect many developers to fix those old games.
Would it be possible to revert this in the Steam client?
PS: I put this as an extra bug here, as the visibility in #12079 is probably low.