Extracted from <a href="http:&#x2F;&#x2F;libregraphicsworld.org&#x2F;blog&#x2F;entry&#x2F;darktable-2-0-released-with-printing-support" rel="nofollow">http:&#x2F;&#x2F;libregraphicsworld.org&#x2F;blog&#x2F;entry&#x2F;darktable-2-0-relea...</a>:<p>&gt; The port to Gtk+3 widget set is yet another major change that you might or might not care about much. It&#x27;s mostly to bring darktable up to date with recent changes in Gtk+ and simplify support for HiDPI displays (think Retina, 4K, 5K etc.)