A prominent tipster has posted what may be listings for Intel's USB 4 controllers. Should this be the case, it seems they will not be compatible with the traditional type A port. The material only mentions the USB 3.2 specification, with no hint of 2.0 in sight.
https://www.notebookcheck.net/Intel-may-phase-type-A-ports-out-with-the-advent-of-USB-4-enabled-PCs.485183.0.html