Oh yeah, I've definitely had a lot of evolution in my art style. It's been a mix of getting better in some areas, putting in more effort in others, and finding the right tools and shortcuts to help with my weak areas.
Early on I was doing this kinda half-hearted airbrush shading, because I just don't really enjoy shading, but I ended up committing to spending more time on it to get a better result. I also did some studies to get better ideas of how to draw my characters' hair and clothing, and got better about not having the faces look kinda wonky (I'm faceblind and that's always an area where I end up messing up easily).
So here's some panels from back in 2019:
And here's the same characters in 2021, with all the improvements I was talking about:
But Raul is still the master of harebrained schemes, that aspect stayed consistent.