I accidentally came across information that requires drone operators with any drone between 0.55 and 55 pounds to register with the FAA (USA fliers), under either part 107 or part 336. Refer to this article Just in Time for the Holidays, Drone Registration is Back
Registration is $5 for part 336...
I just received a new Typhoon H Pro and made my first successful flight. In the process of doing research on how to use it, I came across a download page with firmware updates for the H. It lists version numbers but not issues dates. Also, I do not know where to find the firmware versions...