Fortunately, IGN managed to 'decode' it ....
“We’ve mentioned before that expansions will be coming, and while we’re not ready to talk specifics just yet, we will say that we’ve learned a lot from our work on both Hearts of Stone & Blood and Wine. Our planned expansions will take you even deeper into the world of Cyberpunk 2077, offering substantial, story-driven content that’ll give you tough choices to make through impactful narratives that you won’t soon forget,” said the developer in its hidden message.
“But before we get there, we’ll first be kicking off our free DLC program in early 2021. Just like with The Witcher 3, expect an assortment of free DLC packs to begin hitting Night City, dropping a bunch of cool stuff that’ll inject even more life into the world of the dark future.”