Popular hardware review channel Hardware Unboxed is "fairly confident" that AMD's upcoming Ryzen 3000 series for the desktop will not be using AMD's chiplet design. Instead, AMD has allegedly opted for another traditional monolithic design, similar to last generation's Ryzen 2000 and 1000 series.
https://www.notebookcheck.net/Tech-journalists-say-Ryzen-3000-series-will-not-use-Rome-s-new-chiplet-design.392016.0.html