- Revived "default" mode indicators in DashToDockExtension (Gnome-Shell).
- Rewrote GtkCursorHandle styling (Gtk+ 3.2x/4.0).
- Added XfdesktopIconView styling (Gtk+ 3.22/3.24/4.0).
- Added a workaround for weird allocation of NotificationPluginApplet in Xfce4-panel 4.12.2 (Gtk+ 3.22/3.24/4.0).
- Added one more style path for GtkSourceView-4.0 (README.md).