Yeah, but unfortunately xfce4 just covers the desktop manager + some utility apps part.
Most of the apps would be an assortment of (non Xfce) Gnome-inspired GTK, Electron (e.g. Slack, VSCode), custom (Firefox, Chrome, Sublime Text), and/or KDE stuff, each with its own warts and "modern" approaches...
Most of the apps would be an assortment of (non Xfce) Gnome-inspired GTK, Electron (e.g. Slack, VSCode), custom (Firefox, Chrome, Sublime Text), and/or KDE stuff, each with its own warts and "modern" approaches...