GTK has been using SVG for symbolic icons since essentially forever. It hasn't been a perfect relationship, though. Pre-History For the longest time (all through the GTK 3 era, and until recently), we've used librsvg indirectly, through gdk-pixbuf, to obtain rendered icons, and then we used some pixel tricks to recolor the resulting image according...
It shows a video for me, but not the article.
Not sure why Lemmy sometimes does that with the preview, here is the link: https://blogs.gnome.org/gtk/2025/10/23/svg-in-gtk/
Thank you!