The Copyous clipboard manager for GNOME supports handling text / code / images / files / links / colors / etc. Copyous allows pinning favorite items, grouping items by color, customizable clipboard actions, and other customization options.
The newly-released Copyous is available via extensions.gnome.org and source code hosted on GitHub .
Those wishing to learn more about this new clipboard manager option for GNOME as well as other new GNOME extensions/app improvements can see the latest issue of This Week in GNOME .