No specific info about version 4.0. Please visit the main page of darktable on Mac Informer.
Note: This is no longer an actively developed application.
It lets you create motion graphics and visual effects with the industry standard
A Contact Sheet is a sheet of photographic paper displaying small-scale images.
The primary download link for this listing is the native build.
Available as part of Adobe Creative Cloud for as little as $9.99/month bundled with Photoshop CC as part of the photography package.