gonna be possible you will be able to acquire the jetpack right as you enter tier 5 now rather than needing oil processing completed first logistics mark 4 now include the truck instead of the fuel generator which was instead moved to its own milestone but perhaps one of the biggest changes is that trains and fuel generators no longer require computers or heavy modular frames to be unlocked making them both accessible even before you build your first manufacturer

So this means that indeed now you can use trains to aid in the automation of computers and heavy modular frames.