Path of Exile 2 is a next generation Action RPG created by Grinding Gear Games. Set years after the original Path of Exile, you will return to the dark world of Wraeclast and seek to end the corruption that is spreading. Path of Exile 2 is a free-to-play online multiplayer game.
Their plan was for poe2 to be an update to poe1, and for the player to be able to pick campaigns that share an endgame, but apparently the changes were so big that poe2 will be a separate game with separate mechanics. Both games will coexist.