Update 4.06

You can pick and upload profile banners (Pixel Network)
You can pick an avatar from uploaded arts (Pixel Network)
Discord links support (Pixel Network)
Extended range of allowed symbols for user names (Pixel Network)
Options added for saving from a selection (the current layer or all Layers)
Undo/Redo shortcut (Overlay)
Overlay settings added
Fill tool and magic wand optimized
Minor improvements and bug fixes