In 2013, USB-IF announced that it was taking USB up to 10 Gbps and, in doing so, changed the version number for all USB 3.x products. So USB 3.0 (5 Gbps) became USB 3.1 Gen 1 and the new, 10 Gbps speed became USB 3.1 Gen 2.
In 2017, the organization rolled out a 20 Gbps speed for USB 3.x devices. In honor of the new speed, the version number changed for all speeds so the 5 Gbps speed became USB 3.2 Gen 1 and the 10 Gbps speed became USB 3.2 Gen 2 and the 20 Gbps speed became USB 3.2 Gen 2x2.
They renamed older tech twice! Also, the "Gen 2x2" never fails to amuse. The cherry on top of this confusion is that one has to worry about USB cables. For example, you can connect your phone to your PC using a USB-C cable and then ... nothing happens. So, one has to check the relevant USB version and have the proper cable.