The T490's successor is going to be called T14, the T590's is the T15, and the X390's the X13, and so on. They'll probably go the "n-th generation (202X)" route for model years, as they've been doing with the X1 series. We'll see what they're going to call the AMD versions. Source: https://www.notebookcheck.net/Lenovo-ThinkPad-T14-X13-T490-X...