Armor/weapon upgrades

[caravel]

Hi everyone.

Two questions about upgrades:

1.: If an archer unit gets weapon upgrades, will they upgrade their melee weapons, their arrows or both?

It upgrades mêlée weapons only, not bows, crossbows, arbalests or javelins.

2.: An upgraded unit, that has taken losses, is retrained in a province without armorer/metalsmith. Will the new men have upgrades?

I'm pretty sure that the retrained men in the unit won't gain the upgrades, though I'm not 100% sure of this. I believe that is how it works for valour or morale but it may work differently for armour/weapon upgrades.