https://bugzilla.redhat.com/show_bug.cgi?id=2090104
--- Comment #13 from fujiwara tfujiwar@redhat.com --- I cannot reproduce your backtrace PangoAttribute is null.
(In reply to Mike FABIAN from comment #1)
Created attachment 1883079 [details] File: backtrace
#0 0x00007f01d181e952 in pango_attr_list_change (list=0x55692e9e6d20, attr=0x0) at ../pango/pango-attributes.c:2058 #1 0x000055692e3f8747 in candidate_panel_set_auxiliary_text (text=<optimized out>, self=<optimized out>) at /usr/src/debug/ibus-1.5.26-6.fc36.x86_64/ui/gtk3/candidatepanel.c:653 #2 panel_real_update_auxiliary_text (base=0x55692e798170, text=<optimized out>, visible=<optimized out>) at /usr/src/debug/ibus-1.5.26-6.fc36.x86_64/ui/gtk3/panel.c:5565