Terraria' cross-play is in the works but not guaranteed

Re-Logic's Andrew 'Redigit' Spinks has confirmed that cross-play is "in the works" for 'Terraria', however it's "not guaranteed" just yet.

Terraria map size, biomes, and how they work

Is Terraria Cross Platform [PC, Xbox, PS, and Mobile] - MiniTool Partition Wizard

Terraria server: Hosting and Installation

Is Terraria Cross Platform? Crossplay Guide For All Platforms

Is Terraria Cross Platform? Crossplay Guide For All Platforms

Guide:Making money - Terraria Wiki

Terraria Crossplay Announced & What's Next for Re-Logic! (Terraria News)

Terraria cross play “in the works” as update 1.4.5 wraps things up

Terraria 1.4 Switch Update Finally Launches