there have been several usb specifications since usb 1.0 was released in 1996. most consumer devices today have a usb connector in one form or another.
usb4 and thunderbolt 4 were released a year apart, and although there are some similarities between these two computer interfaces, there are also many differences.
the next great version of usb is on the way of development. in early september 2019, usb implementers forum (usb-if) announced the specifications of usb4 that paved the way for
the initial information on usb4, the next generation usb architecture has recently been introduced by usb promoter group at an event in taipei, china.