Uhh, it's hard to say. I know my letters vastly improved (figured out I had been accidentally doing something very silly with them without realizing it and it was making it difficult for people to read.)
Old letters:

New letters:

I was a little embarrassed that I didn't even notice how bad the spacing was, but that's just what happens when you haven't done comics in a long time, I suppose. (it's a good thing, too, cuz now putting text into other people's comics is what I make my living on)
I know artwise I've improved too, but I think it's mostly just been refinement, but I'm actually trying to slow myself down a little and take my time because I'm bad about over scheduling and needing to rush through things.
February:
Last month:
I'd show something from this month but none of those pages have gone up yet.
SOCIALIZING WITH OTHER CREATORS AND FANS I'VE GOTTEN BAD ABOUT. I went into full on workmode and started ignoring everybody so I could get more work done, but that is no way to live, man, that is no way to live.