Features (gradient, layer groups, ..) sugestions based in my experience

Hi guys, I have suggestions based in my working experience (1 year) for Pyxel Editor.

Features and Changes:
- Layer grouping feature.
- Define size objects or selection in pixels with input boxes.
- Change opacity with percentage.
- Guide lines feature.

Tools:
- Free hand selection (lasso tool) and bezier.
- Rounded square tool.
- Gradient tool.

Thanks a lot.