While albums, labels and images themselves will make the clip, they will not always have one-to-one equivalents. Color labels can e.g. Appear as keywords or tags. Aperture's non-destructive editing will also not be transferred correctly – the Photos app retains the changes, but you cannot customize them briefly to return to the original image. You should remember these changes if you dig through your existing library and you should definitely reconsider your workflow for future photo shoots.