@Ulrich Per other discussions on this, that's because that part was edited later. Polygon's quote from yesterday's blog was correct at the time, but is outdated now. (And they should update their article accordingly.)
Addressing the trio of new hardware releases planned for this year, Valve said, "We hope to ship in 2026, but as we shared recently, memory and storage shortages have created challenges for us. We’ll share updates publicly when we finalize our plans!"