Meld crashes when showing the diff, both for files and blank comparisons. Reproducible: Always Steps to Reproduce: 1. start meld 2. click on File / Blank comparison Additional Information: Thread 1 "python3" received signal SIGSEGV, Segmentation fault. Downloading 197.78 K source file /usr/src/debug/glib2-2.87.2-2.fc44.x86_64/redhat-linux-build/../gobject/gobject.c object_set_property (object=object@entry=0x555557187df0, pspec=0x555555f01e50 [GParamEnum], value=0x555557025738, nqueue_is_frozen=nqueue_is_frozen@entry=0, user_specified=1) at ../gobject/gobject.c:2214 2214 if (G_LIKELY (inst->g_class->g_type == pspec->owner_type)) (gdb) bt #0 object_set_property (object=object@entry=0x555557187df0, pspec=0x555555f01e50 [GParamEnum], value=0x555557025738, nqueue_is_frozen=nqueue_is_frozen@entry=0, user_specified=1) at ../gobject/gobject.c:2214 #1 0x00007fffe8c6f398 in g_object_new_internal (class=0x555555ef2cf0, params=0x7fffffffaa10, n_params=4) at ../gobject/gobject.c:2710 #2 0x00007fffe8c70d63 in g_object_new_internal (class=<optimized out>, params=<optimized out>, n_params=<optimized out>) at ../gobject/gobject.c:2663 #3 g_object_newv (object_type=<optimized out>, n_parameters=<optimized out>, parameters=<optimized out>) at ../gobject/gobject.c:2897 #4 0x00007fffcf855a5c in _gtk_builder_construct (builder=builder@entry=0x555557181930 [GtkBuilder], info=info@entry=0x555557186a10, error=error@entry=0x7fffffffac10) at ../gtk/gtkbuilder.c:733 #5 0x00007fffcf855ff6 in builder_construct (data=data@entry=0x555557181350, object_info=object_info@entry=0x555557186a10, error=error@entry=0x7fffffffac10) at ../gtk/gtkbuilderparser.c:139 #6 0x00007fffcf857b9d in end_element (context=<optimized out>, element_name=<optimized out>, user_data=0x555557181350, error=0x7fffffffac10) at ../gtk/gtkbuilderparser.c:1075 #7 0x00007fffe8d2c27f in emit_end_element (context=context@entry=0x555557001b50, error=error@entry=0x7fffffffad40) at ../glib/gmarkup.c:1048 #8 0x00007fffe8d2d17f in g_markup_parse_context_parse (context=0x555557001b50, text=text@entry=0x7fffcec64550 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!-- Generated with glade 3.22.1 -->\n<interface>\n <requires lib=\"gtk+\" version=\"3.20\"/>\n <requires lib=\"meld.ui.gladesupport\" version=\"0.0\"/>\n <object class=\""..., text_len=<optimized out>, text_len@entry=35109, error=error@entry=0x7fffffffad40) at ../glib/gmarkup.c:1606 #9 0x00007fffcf852d40 in _gtk_builder_parser_parse_buffer (builder=builder@entry=0x555557181930 [GtkBuilder], filename=filename@entry=0x7fffcfc503fa "<input>", buffer=buffer@entry=0x7fffcec64550 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!-- Generated with glade 3.22.1 -->\n<interface>\n <requires lib=\"gtk+\" version=\"3.20\"/>\n <requires lib=\"meld.ui.gladesupport\" version=\"0.0\"/>\n <object class=\""..., length=length@entry=35109, requested_objs=requested_objs@entry=0x0, error=error@entry=0x7fffffffad40) at ../gtk/gtkbuilderparser.c:1262 #10 0x00007fffcf85368a in gtk_builder_extend_with_template (builder=0x555557181930 [GtkBuilder], widget=0x555557182400 [FileDiff], template_type=0x555555e6f900 [FileDiff/GtkBox/GtkContainer/GtkWidget/GInitiallyUnowned], buffer=0x7fffcec64550 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!-- Generated with glade 3.22.1 -->\n<interface>\n <requires lib=\"gtk+\" version=\"3.20\"/>\n <requires lib=\"meld.ui.gladesupport\" version=\"0.0\"/>\n <object class=\""..., length=35109, error=0x7fffffffadb0) at ../gtk/gtkbuilder.c:1194 #11 0x00007fffcfb1a3fd in gtk_widget_init_template (widget=0x555557182400 [FileDiff]) at ../gtk/gtkwidget.c:17046