Considering the lackluster updates of OSX / MacOS, and the fact that the platform matured years ago, I'm not really concerned that I won't be able to use Mojave

Considering the lackluster updates of OSX / MacOS, and the fact that the platform matured years ago, I'm not really concerned that I won't be able to use Mojave. I think the only issue will be if I need to use XCode, which tends to be bound to the latest OS.