1931
Hell freezes over, MS Paint adds support for layers and PNG transparency
(arstechnica.com)
This is a most excellent place for technology news and articles.
as a doofus gimp user, what's an adjustment layer?
Not a professional either, but I was also curious and learned:
It's a layer of which the properties/filters apply to all layers below. So you can basically try around and manipulate the visible image without having to combine the layers first.
It's a way to for apply effects in a non-destructive way