None of this is new. If you are packing for kids roll the whole outfit including socks and underpants up together, then just hand them the bundle when it’s time to dress.

I would try to trade seats with someone is not in front of a tall person, and is not suffering from back problems. I also do not need or want to fully recline, just open up my hip angle a little for at least part of the flight - unless it’s just 45 minutes.