If we're talking fan work, then oh god yeah, I was fucking awful when I started almost a decade ago. That was a trial by fire if ever I had one.

As far as professional editing work goes, I'm always learning how to adapt to mediums I hadn't worked in before, and if I could revisit my onboarding volume of the Master of Ragnarok LN, which I suppose is my first editing job, I'd probably be more forthcoming with my changes and I'd be more mindful of paragraph formatting and take more care to keep things clear to the reader (for example, proper usage of speech tags in drawn-out conversations or conversations where the speaker may not be obvious at a given time, swapping pronouns with names where it's sensible to, etc).

All in all, coming from anime fansubs into LN, VN, and manga industry work continues to present challenges I have to meet head-on. I'm always learning and always want to improve.