Ubiquity 2.15.5
/usr/lib/python3/dist-packages/gi/overrides/GLib.py:53: PyGIDeprecationWarning: threads_init longer needs to be called. See: https://bugzilla.gnome.org/show_bug.cgi?id=686914
  PyGIDeprecationWarning)

(ubiquity:2373): IBUS-WARNING **: The owner of /home/ubuntu/.config/ibus/bus is not root!

(ubiquity:2373): Gtk-CRITICAL **: gtk_widget_get_preferred_width_for_height: assertion `height >= 0' failed

(ubiquity:2373): Gtk-CRITICAL **: gtk_widget_get_preferred_width_for_height: assertion `height >= 0' failed

(ubiquity:2373): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width 600 and height -39

(ubiquity:2373): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width 600 and height -39
/usr/lib/python3/dist-packages/gi/overrides/GLib.py:676: PyGIDeprecationWarning: Calling io_add_watch without priority as second argument is deprecated
  PyGIDeprecationWarning)
update_release_notes_label()
update_release_notes_label()