Really amazing so far, did discover some bugs however.
The first one isn't really a bug, but the muskets are so very weak (or my linemen are terrible at aiming). I lined my linemen up in two rank rows, looked hella badass, and they shot plenty of times each before kills started coming in. I think they're too weak currently.
Second one. When collecting taxes for George of England, the villagers resisted and started attacking me as usual. I was put in the village with a few of my linemen - our only weapons were those training staves from Native. The animations were bugged as well, the player held the staff as if he held a musket, and when doing attacks to the side, the animation bugs out a whole bunch. It looks like he's barely trying to hit them.
Third one, the Native character, Isolla of Suno, is still there. I don't know which city of England I found him/her in, but it seemed like he/she was supposed to now be a frenchman named Louis or something. However, in the first piece of dialogue, it still used the original dialogue from Native, saying he was Isolla from Suno and everything. After clicking to get to the next piece of dialogue, it was all new and seemed right.
Fourth one is that some NPCs walk around with hats and robes from Native - those monk outfits, to be more precise. Examples of NPCs would be the Village Elders (all of the ones I've stumbled upon yet, atleast) and also that Louis/Isolla guy. I also think one of the Linemen troops are missing their chestpiece. I was upgrading my Linemen, when noticing that some of them didn't have a shirt on in the Party menu. When upgrading, they had the new uniform on, and everything was back to normal.
I will keep playing and report back when finding new bugs.