Idk I always understood the releases. ~YYMM then YYHX. The update from the second half of 2022 is 22H2, before that, 1909 for September 2019 (if I remember right it was delayed til October) but can you tell me how old 8.1 is just by looking at the number? >!2013 sometime I think?!< To me this just makes so much more sense idk. They mention "Fall Creators Update" and "Anniversary update" which are more akin to codenames than what they call the update.