The black and white icons might be coming from the icon theme - do other GTK applications on your system have the same look for those icons? On macOS, at least, I'm still getting colored icons there.
For the crop icons I think we can probably try to make them have less padding.
The black and white icons might be coming from the icon theme - do other GTK applications on your system have the same look for those icons? On macOS, at least, I'm still getting colored icons there.
For the crop icons I think we can probably try to make them have less padding.