I used gnome-multi-writer frequently in past Fedora versions but after the upgrade to Fedora 30, it won’t even launch.
gnome-multi-writer
(gnome-multi-writer:11304): GLib-GObject-CRITICAL **: 22:57:54.268: g_object_ref: assertion ‘old_val > 0’ failed
(gnome-multi-writer:11304): Gmw-CRITICAL **: 22:57:54.268: gmw_device_set_order_process: assertion ‘GMW_IS_DEVICE (self)’ failed
(gnome-multi-writer:11304): Gmw-CRITICAL **: 22:57:54.268: gmw_device_get_block_path: assertion ‘GMW_IS_DEVICE (self)’ failed
(gnome-multi-writer:11304): GLib-GObject-CRITICAL **: 22:57:54.268: g_object_unref: assertion ‘G_IS_OBJECT (object)’ failed
Segmentation fault