Using 3.4 on Ubuntu I now get this error when starting Sigil.
Code:
(<unknown>:26414): GdkPixbuf-WARNING **: Bug! loader 'png' didn't set an error on failure
(<unknown>:26414): Gtk-WARNING **: Error loading theme icon 'window-close' for stock: Internal error: Image loader module 'png' failed to complete an operation, but didn't give a reason for the failure
(<unknown>:26414): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
** (<unknown>:26414): CRITICAL **: clearlooks_style_draw_render_icon: assertion `base_pixbuf != NULL' failed
(<unknown>:26414): Gtk-CRITICAL **: IA__gtk_style_render_icon: assertion `pixbuf != NULL' failed
(<unknown>:26414): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_pixels: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(<unknown>:26414): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed
(<unknown>:26414): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed
Segmentation fault