I have the G2 and was looking forward to buying the G3. However, it has the same tire clearance, they went away from the round seatpost and there is no internal storage! They did add a UDH and T47 which is a nice plus along with it being more aggressive. So it wouldn’t be much of a replacement for my “mellow” G2.
50mm is still a ton of clearance, I would have overlooked everything else if they added internal storage. I love the way it looks, and love some of the paint jobs. Round steertube too, unlike my G2, is a huge plus. That was a bit off a pain to get right.
Since Yoeleo was brought up, it has 2 areas of internal storage, a round seatpost, more clearance, & down tube protection. Although I don’t think it looks as nice and you have one paint option, unless you go custom. Geo’s are pretty similar for a 54cm(ish) cm.
I own both brands and the quality for both is tip top. Can’t go wrong with either. If you like how it looks and are ok with its specs, I see no reason not to go for it. Unless you want to spend half the money on a TanTan or something similar.