Feature - Put all upgrades on ACU and SACU on one bar in upgrade menu

[EvildrewFAF]

Describe the feature Make it easier to queue upgrades on ACUs and SACUs without having to go into Left Arm, Right Arm, Back to queue each body part. Allow the user to see the upgrades for each body part and then queue them from one screen.

Screenshots

[Garanas]

@4z0t what are your thoughts?

[4z0t]

one word: construction.lua

[4z0t]

I'd rather add upgrade keybind tbh

[4z0t]

Btw UEF ACU has 7 slots on body

[MrRowey]

i think this will add more confusion to what upgrade is where especially when some acus/scu have more or less than other facions. so I would be again such a change like this