It's possible, but you'll run into annoying breakage long the way. It's probably safer and less troublesome (unless you're deeply familiar with the changes along the way and the old upgrade procedures) to take the existing configurations as guidelines what to recreate on the latest release.
Probably the best method.
I believe most applications our either our own (some Golang tools, for some reason?) or basic base applications (migration to relayd instead of nginx as a proxy is probably a good idea.)
