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The colors of GTK – GTK Development Blog
(blog.gtk.org)
The GNOME Project is a free and open source desktop and computing platform for open platforms like Linux that strives to be an easy and elegant way to use your computer. GNOME software is developed openly and ethically by both individual contributors and corporate partners, and is distributed under the GNU General Public License.
HDR and 10+ bit displays
You're unlikely to see any improvements if you don't use either of these, but it's a welcome change for graphic artists and people using high bit displays.