Specifically: Weapon crafting
I haven't done extensive testing, just average observation, but while weapon crafting Red/Orange i seem to level the actual WC skill (not talking about secondary skills here) about 1/3 of the time, which appears identical to when I make blue con items.
My memory is that if you successfully make a red or orange con item, it almost always gave you a skill up in your primary craft, whereas making blues was less common. I don't want to make an official bug report, since I haven't done extensive testing, just casual observations. This effect might be blurred by the extensive skill up of secondary skills that seem to skill up endlessly to max. I began to notice it once those maxed out, and then realized I wasn't gaining skill in the primary skill all that often.
I haven't done extensive testing, just average observation, but while weapon crafting Red/Orange i seem to level the actual WC skill (not talking about secondary skills here) about 1/3 of the time, which appears identical to when I make blue con items.
My memory is that if you successfully make a red or orange con item, it almost always gave you a skill up in your primary craft, whereas making blues was less common. I don't want to make an official bug report, since I haven't done extensive testing, just casual observations. This effect might be blurred by the extensive skill up of secondary skills that seem to skill up endlessly to max. I began to notice it once those maxed out, and then realized I wasn't gaining skill in the primary skill all that often.