Theoretically it should work since yesterday's update I don't know exactly but it should be inserted
Yes, thank you, but do you know whether you can only play together custon lobbies or normal ones
I do not know that
Crossplay - Our initial roll out means PS4 and Steam players can now play together in all game modes where lobbies merge (but not crossparty group play… Yet!). We'll be continuously finessing our approach to this over time.
Yes. But only in custom games