Thank you for letting me know.
I confirmed this problem has been resolved in gnome-settins-daemon 42.2
gnome-setting-daemon writes Gtk/IMModule "ibus". It seems that GTK reads this config and loads ibus-gtk3/4 under X11 session.
Please note that GTK_IM_MODULE is not set anymore.
Thank you for letting me know.
I confirmed this problem has been resolved in gnome-settins- daemon 42.2
gnome-setting- daemon writes Gtk/IMModule "ibus". It seems that GTK reads this config and loads ibus-gtk3/4 under X11 session.
Please note that GTK_IM_MODULE is not set anymore.