Migration 3x to 4x


I want to migrate a ionic 3x app to ionic 4x, Does anyone know if I should migrate directly to 5x or should I migrate to 4x first?


I would not bother with intermediate steps, but I would recommend spawning a brand-new project and parachuting your existing code into it, instead of trying to upgrade your existing project in place. There are too many irritating details regarding the build process that don’t generally upgrade properly, so it’s easier to start with a fresh project IMHO.

Ok, so you recommend me got from 3 to 5