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GNOME File Previewer Finally Switches TO GTK4, Adds Dark Mode
Written by Michael Larabel in GNOME on 6 June 2026 at 12:32 PM EDT. 9 Comments
GNOME Sushi as the file previewer component for the GNOME Files (Nautilus) file manager has now been adapted to make use of GTK4 as well as delivering other enhancements for a nicer file previewing experience on GNOME.
The GNOME previewer companion to Nautilus has now been adapted to make use of the GTK4 toolkit as well as initial Blueprint and Glycin usage too. Some nice enhancements to Sushi for the current GNOME 51 cycle. I tried it out on the GNOME OS Nightly build.
Plus there is now initial dark mode support, nicer floating toolbars, and other clean-ups. The layout of several file type previewers has also been enhanced.
More details on these latest improvements to the GNOME File Previewer along with other updated GNOME software components can be found via the latest issue of This Week in GNOME.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.
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