Minecraft (Java Edition) has supported Linux platforms for a long time, so getting it running on Steam Deck / SteamOS is easy ...

Above all, this is one mention of Steam in an insignificant location — interesting, but not a stone-set confirmation of Minecraft on Steam. If it'll happen, hopefully we'll hear about it soon.

So, not only can you play games from Steam and multitask, but you can even play games from other platforms. That includes ...

Minecraft Bedrock Edition is not natively supported on the Steam Deck, which runs a Linux-based operating system called SteamOS. Despite this limitation, you can still play the game on the device ...