https://www.techradar.com/news/xbox-two-vs-ps5

After E3 2018, we know for a fact that Microsoft is working on the Xbox Two – and Sony can’t be that far off with the PS5. 

Beyond the fact that the next-generation consoles will exist, however, we don’t really know anything else beyond that. We know of a few games that have been teased for the next generation, sure, but in terms of what these consoles can actually do, it's anyone's guess.