8) Sprites & scripted (Python?) animation on the basis of asset traits and {composable,parametrised} patterns (metric flow, particle system, rigging, ...)
9) Composition, parametrisation & keying of tools from higher-order operators (brushes, filters, outlines, patterns & shaders) and unit tools
10) GUI: a) switch to GTK b) replace logo w/ canvas panel in About dialogue c) {copy,cut,insert from,paste}, {edit asset in new canvas,import from canvas}