https://destinyblue.deviantart.com/art/Magic-Lineart-262934267
I feel like during my absence I improved my skills. Which doesn't make much sense to me. So either my preference changed, or a rest really did me some good.
The setting is better for this one, but the coloring you did before is more imaginative and original. This looks like basic dodge/burn shading and that one had actual color complexity to it. I think you could combine elements from both renditions to have a best of both worlds art. Your original hair coloring is very good, this one is less interesting. However, this one has a better scene, and the grass turned out well.
Rest and taking time to observe can help you improve. So if you watched a cartoon or anime that would be observation.
I wish I could remember what I did with the hair on the last one, because I totally agree on the hair bit. I'm going to try to go back through my memories to find out what I did differently, because I only did that hair style once. It doesn't help that gimp changed its layout, but perhaps if I downloaded the old one and studied it I might remember how I did some of it. I think multiple shadings helped.
Link
Anuacyl
https://www.weasyl.com/~anuacyl/submissions/1549484/fairy
for comparison