BG1&2 don't let you equip two handed weapons, ranged or melee, in quick slots if you have a shield equipped. And it feels really good to play a Greatsword fighter who can quickly switch to a Composite Longbow and have that melee/ranged flexibility after giving up that +2 or better AC from a shield.
Also worth mentioning again that the quick slots in BG3 should not be restricted arbitrarily to ranged and melee. You need to be able to equip combos like Sword+Shield that you can switch to Hammer+Shield when you need blunt damage. And rely on thrown weapons for ranged.
