Support Linux and macOS
Since many Macs (with eGpus) are now powerful enough to support VR add full support for macOS. And please support Linux, there is no reason not to support it. I dont want to start Windows every time I play VR games.

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Áron Kovax commented
If they abandoned the Rift S anyways they could opensource drivers and the community will do it.....
of course, it won't happen, no matter how Facebook likes open source in theory... -
Ryan commented
I agree with the support of Linux makes no sense not to support that but as far as Apple goes I don't think it will happen any time soon. Apples firewalls are strict, its not a good gaming computer, and on top of it you can't really customize apple's pc i.e. graphics, ram so ultimately you asking a company to bend over backwards for another company that doesn't want to lift many security features. And isn't super customizable friendly either.