I'm seeing this in the terminal:
(darkmx:36044): GLib-GObject-CRITICAL **: 05:40:15.720: g_object_ref: assertion 'G_IS_OBJECT (object)' failed
(darkmx:36044): Gdk-CRITICAL **: 05:40:15.730: gdk_x11_window_set_icon_list: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
Here's a screenshot (deletes in 6 months):
https://ibb.co/DfpQ4hdx
Tray icon is also invisible. "Use SNI tray icon" does not help, it is also invisible.
EndeavorOS, XFCE 4.20, GTK 3.24.51, kernel 6.18, X11