I would like to see "Vulkan" API added into the mix. That will make it more interesting.
It's supposed to come to Linux this year, so I think it will be supported by the engine (I can't imagine them making this game run on OpenGL in freaking 2021). Can't say if it will be exposed as a setting, though. I kinda wish they do so.
We’re happy to confirm that the Mac version is expected to release on the Mac App Store, Steam, and Epic Games Store in March, with the Linux version set to follow a little later in the year on Steam!
Though they don't say if the Linux version will be released on GOG...
So basically using customers as beta testers for a new(er) engine? Wouldn't be a first time...
No piece of software is free of errors. You can try to cover as many different software and hardware configurations as possible, but there will be always that one system with just a teeny tiny little different bit that will make the game not work at all or just perform terribly.
So technically if I run this and the original game on my 5700 XT, I will see absolutely no difference? (If we suppose that it runs)
The new edition will not run if you don't have a RT-capable GPU, so it will be separated from the current version:
This upgrade is so extensive, it will require a Ray Tracing capable GPU as the minimum spec, and we will need to deliver this version as a separate product – it is not a simple ‘patch’ to the base game – instead it will be offered as an extra entitlement to all existing Metro Exodus PC players.
Applying the same philosophy as our Xbox and PlayStation upgrades, this PC Enhanced Edition will be FREE to all existing Metro Exodus owners on the Epic Games Store, Steam and GoG. You can expect the PC Enhanced Edition to release later this Spring.