The future is now. Companies are breaking the walls down. Cross-play is on its way to becoming relatively commonplace. Not every game offers it yet. Fortnite, Minecraft, and Rocket League all have it and are paving the way. Still, a future is here. Companies are accepting it. It means that it might be time for companies to start considering another option to break down the walls and invite people into new areas. Now is a good time to start talking cross-progression.
Source: N4G PC Why Cross-Prog Is a Term You Should Learn