inspector crash
Open the node editor, bring up the inspector, record a frame, and then collapse any node in the node tree.
#0 0x00007ffff70df144 in __pthread_kill_implementation () at /lib64/libc.so.6
#1 0x00007ffff708db5e in raise () at /lib64/libc.so.6
#2 0x00007ffff707687f in abort () at /lib64/libc.so.6
#3 0x00007ffff7e81f6e in g_assertion_message_expr[cold] () at /lib64/libglib-2.0.so.0
#4 0x00007ffff7eebed7 in g_assertion_message_expr () at /lib64/libglib-2.0.so.0
#5 0x00007ffff79c8eda in create_list_model_for_render_node (node=0x0) at ../gtk/inspector/recorder.c:261
#6 create_list_model_for_render_node_paintable (paintable=<optimized out>, unused=<optimized out>) at ../gtk/inspector/recorder.c:369
#7 0x00007ffff78645f8 in tree_node_create_model (node=0x61209b0, self=<optimized out>) at ../gtk/gtktreelistmodel.c:279
#8 gtk_tree_list_row_is_expandable (self=<optimized out>) at ../gtk/gtktreelistmodel.c:1255
#9 0x00007ffff7861e37 in gtk_tree_expander_update_for_list_row (self=0x6602f20) at ../gtk/gtktreeexpander.c:161
#10 0x00007ffff75b43c2 in g_closure_invoke () at /lib64/libgobject-2.0.so.0
#11 0x00007ffff75e34f8 in signal_emit_unlocked_R.isra.0 () at /lib64/libgobject-2.0.so.0
#12 0x00007ffff75d2bea in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0
#13 0x00007ffff75d2e13 in g_signal_emit () at /lib64/libgobject-2.0.so.0
#14 0x00007ffff75bf8a4 in g_object_dispatch_properties_changed.lto_priv () at /lib64/libgobject-2.0.so.0
#15 0x00007ffff75c2ea8 in g_object_notify_by_pspec () at /lib64/libgobject-2.0.so.0
#16 0x00007ffff78774b6 in gtk_widget_activate_action_variant (widget=widget@entry=0x6606110, name=name@entry=0x7ffff7ae2a0d "listitem.toggle-expand", args=args@entry=0x0) at ../gtk/gtkwidget.c:11535
#17 0x00007ffff78775ed in gtk_widget_activate_action (widget=widget@entry=0x6606110, name=name@entry=0x7ffff7ae2a0d "listitem.toggle-expand", format_string=format_string@entry=0x0) at ../gtk/gtkwidget.c:11576
#18 0x00007ffff7862183 in gtk_tree_expander_click_gesture_released (gesture=0x6606770, n_press=<optimized out>, x=12.035157203674316, y=12.429688453674316, unused=<optimized out>) at ../gtk/gtktreeexpander.c:133
#19 0x00007ffff76c02a8 in _gtk_marshal_VOID__INT_DOUBLE_DOUBLEv (closure=<optimized out>, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x53ffa0) at gtk/gtkmarshalers.c:5445
#20 0x00007ffff75d2d28 in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0
#21 0x00007ffff75d2e13 in g_signal_emit () at /lib64/libgobject-2.0.so.0
#22 0x00007ffff77660f5 in gtk_gesture_click_end (gesture=0x6606770, sequence=0x0) at ../gtk/gtkgestureclick.c:275