https://wccftech.com/blizzard-is-interested-in-overwatch-cross-platform-play-lead-designer-confirms/

Back in September, Sony finally opened the gates for cross-platform play on PlayStation 4. The first game to take advantage of the possibility is Epic Games’ Fortnite, but it seems like Overwatch may be among the games that will support the feature.

Speaking with Eurogamer, Overwatch lead designer Jeff Kaplan spoke about cross-platform play, saying that they would be excited to pursue it.