Pling/Gnome-look.org reports rtl88 as being last active in May 2021, with his last product update in January 2021. https://www.pling.com/u/rtl88/
There does not appear to be any progress on GTK4 support, so even in their current state these themes will become less and less viable as more applications adopt GTK4. #59
taufik-nurrohman
commented
1 year ago
Is this repository (and all its themes) unmaintained? @rtlewis88
The last commit to this repository, in any branch, was over 10 months ago. https://github.com/rtlewis88/rtl88-Themes/branches/all
Pling/Gnome-look.org reports rtl88 as being last active in May 2021, with his last product update in January 2021. https://www.pling.com/u/rtl88/
There does not appear to be any progress on GTK4 support, so even in their current state these themes will become less and less viable as more applications adopt GTK4. #59