It used to be that you had to upgrade in multiple steps, but not anymore. You can upgrade directly from 1.12.0 to 1.13.2
Make sure you backup your database
Does .12 break nodebb?
Nope, I develop on 0.12 myself. If it's an existing install, you'll need to
npm rebuild, probably
npm rebuild on nodebb or nodejs?
NodeBB... some of the compiled modules will need to be recompiled.
super helpful community
Is it allways safe to run npm rebuild?
@Jenkler yes, it just takes longer. It's analogous to a clean / recompile