Detected locale "C" with character encoding "US-ASCII", which is not UTF-8.
Qt depends on a UTF-8 locale, and has switched to "UTF-8" instead.
If this causes problems, reconfigure your locale. See the locale(1) manual
for more information.
qt.qpa.fonts: Populating font family aliases took 71 ms. Replace uses of missing font family "Red Hat Display" with one that exists to avoid this cost.