Valve recently made an update to their digital card game Artifact. That isn't the big news here, what is the big news is that hidden within the files were a couple of references to RTX and real-time ray tracing. This marks the first time that any sort of ray tracing support was noticed in any of Valve's Source 2 files.
The mentions were first discovered by SteamDB creator Pavel Djundik. Djundik noticed that the latest...