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I am the creator of Vamp Plays and I enjoy gaming and creating content.
Warframe has officially started public testing of “Cross Platform Play” aka crossplay.
To start with, they are focusing on crossplay between PC and Xbox, but have plans to roll it out to more platforms in the future.
So far it looks like things are going well other than a few bugs every now and then, but they have made a forum post for feedback on issues that may arise.
At this time, it has not been announced when both Playstation and the Nintendo Switch will be added to the mix, but if things continue to go well it should only be a matter of time before crossplay is available on all platforms.