Minecraft on Switch: We are still working on a fix. However, for a temporary workaround, try not signing in to a Microsoft account. While you won’t have access to servers, Realms, or possibly Marketplace content, you will be able to play single player & split-screen worlds. - HZ

So how about a new fix since I can't even get this game to open on my daughter's switch. Just a infinite black screen then an error saying "Software was closed with an error" Tried reinstalling and deleting all data....

Please send us an email at help.minecraft.net/hc/en-us/… and we will assist. Remember to attach your Transaction ID. ^SP

How can it be a year down the road and it’s still not possible to play split screen on switch? Is this a retail release or not?