Numerous online retailers have been adding new placeholders for Intel processors on their e-commerce sites. The chips listed are the Intel Core i3-8145UC, the Core i5-8265UC, and the Core i7-8565UC. It's not entirely clear how these CPUs differ from the Whiskey Lake U-series, although the stepping code variation seems to suggest memory support changes.
https://www.notebookcheck.net/References-to-Intel-Core-i3-8145UC-i5-8265UC-and-i7-8565UC-processors-start-appearing-online.417244.0.html
Maybe Intel is finally backporting their LPDDR4 controller to 14nm? It would be long overdue (alongside DP1.4, HDMI 2.x, etc).