It is entirely possible that whatever
@Gazebo decides for the fate of Workshop could inform our decision here. Anything else is so much useless speculation.
Factory is having its bonuses to specialists (2

to engineers/2

to merchants) replaced with a bonus to manufactories (+2

). In light of that, I think adding 1

to engineers/1

to merchants and reducing the forest/jungle yields of workshop to 1

only would be suitable.
If G leaves 1 yield on workshop I would stick to 1

culture only.
It's entirely possible that he may cut the forest theming from workshop entirely though. If that were the case I think that adding 1

/1

to Baan Chang would be entirely appropriate.
I'm not sure why 1

on lumber mills is more complex than 1

on jungle/forest. The real difference is that giving it to jungle/forest lets you get culture off of dear/truffles/furs etc. I don't think that's what we want. My conception of the Baan Chang is that they are cutting teak lumber for the culture, not that their jungles are particularly culturally relevant in and of themselves.
The idea with the current Corsair is that you plunder the trade route at the start of your turn, then slip away from the spawned barbarian, with the aid of Slipstream, leaving them to wreak havoc. I don't know how it actually works in practice; testing will be needed. Maybe it'll need to maintain the ability to enter borders to be effective.
My experience with plundering trade routes is that it is most efficient to place your unit in the path of the trade unit, then let the trade unit hit your unit and destroy itself. Sometimes you can't get to the unit with your movement in any other way. In that case, the plundering/barbarian spawn would occur on the AI's turn and the barbarian gets to move on that turn immediately, since they go last.
I imagine there could be circumstances, however unlikely, where you have a corsair limping home to safe harbour, it inadvertently plunders a trade route on its way, and the barbarian immediately kills your unit. Also, just because you are plundering other civ's trade routes does not mean they are necessarily closer to that civ's turf. You could inadvertently inflict barbarians on your own territory with such an ability.
I very much doubt that the barbarian on disband would get much mileage in a real game. After all, the unit is 3x as good in your hands. The ability could be endless fun in a "dicking around" match though. Like the
XCOMs CS-gift cheese. The thing that excited me about the unit was specifically how the mechanic was essentially a trolling tool, rather than its actual utility. That's what Razzia is for.
It's actually 20 * era, so 40 in medieval and 60 in renaissance. 20% of the faith cost for missionaries and regular buildings.
Oh okay. looks like
@Ziad was right then.
Even if the code treats forest and jungle lumber mills differently, we don't have to. I think it would be simpler for the sake of comprehension to give the same bonus to all lumber mills.
Possibly. In which case I would do the +1

/

for both. I don't think it's necessarily more complex, since it's unlikely to even affect your decision in most cases. It would save on a bit of text though. Up to
@adan_eslavo
Rifleman is Modern Era. It was Atomic Era previously, which is too late for a UU.
If Yamato is moved forward 1 tech and pracinha stayed at the same tech as infantry then they would be at the exact same tech level.
Yamato is a game-closing domination unit
Pracinha is a game-closing cultural unit
Panzer comes only 1 tech earlier, and if you wanted to you could move infantry up to ballistics too. (only 1 tech later than rifleman). 1 tech later and suddenly the unit isn't an anachronism.
The bonus you gave Pracinha (200

tourism on kill) is a death knell if Brazil is in any way fit-to-fight at that late stage in the game. I had interpreted this as your intent to make Brazil the equivalent of a "kill me now, or you're boned later" civ, similar to what Germany has been in the past.
As I said before, If that was not your intention and you fully intend to have Pracinha move forward to replaceable parts, then that's too early for a 200 tourism bonus every kill. The "You're boned" unit is coming too soon, and either needs to be moved back or get less stiff; I hope we can at least agree on that.
Thanks!