The PS4 licenses and uses DirectX 11. Please educate yourself about the technical requirements and intricacies before you make yourself look any more the fool. Warframe is DirectX only. Which is why it is only supported on Windows, PS4, and Xbox One. Being isolated from the PC servers has nothing to do with actual program. That's a choice created by Sony and how Updates are handled. Console Cert slows down updates so Windows and Console (Xbox/PS4) are out of sync.

Which is why we can't all play together. Also Sony (and Microsoft) want their Console versions walled off from each other for 'exclusivity.' If there was a Mac/Linux version made on the Vulkan API it would very likely keep up with the Windows updates and be cross-platform that way.

Rew Steam For Macbook Air

That's never going to happen. If it was that simple, I'm sure they would have expanded the list of supported platforms before they went open-beta. Porting games to Apple OSes is notoriously a pain in the ass due to the amount of features (like direct x which a large amount of games use) that they refuse to support, there are some games which are simple enough in terms of engine that porting to Apple devices isn't a massive list of 'find alternative way too.' , but WF is definitely not amongst those. Looks like everyone is recommending the same thing: Setup dual-boot with a fresh copy of Windows.