Speed-doubling USB4 is ready. Now we just have to wait for devices If you've seen the newer USB-C ports on laptops and peripherals, you know what to expect in 2020 September 3, 2019 https://www.cnet.com/news/speed-doubling-usb4-is-done-now-we-just-have-to-wait-for-devices/
Thunderbolt is optional in USB4 USB-IF leaves it to device implementers whether to implement Thunderbolt September 4, 2019 https://www.techcentral.ie/thunderbolt-is-optional-in-usb4/
USB4: everything you need to know September 7, 2019 https://www.techradar.com/news/usb4-everything-you-need-to-know