Almost everything ok on my Xfce + 5.8 kernel.
Just got this warning :
(14/24) Warn about old perl modules
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LC_ADDRESS = "fr_FR.UTF-8",
LC_NAME = "fr_FR.UTF-8",
LC_MONETARY = "fr_FR.UTF-8",
LC_PAPER = "fr_FR.UTF-8",
LC_IDENTIFICATION = "fr_FR.UTF-8",
LC_TELEPHONE = "fr_FR.UTF-8",
LC_MEASUREMENT = "fr_FR.UTF-8",
LC_TIME = "fr_FR.UTF-8",
LC_NUMERIC = "fr_FR.UTF-8",
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Applied that : [HowTo] Troubleshooting locale errors
Have this :
[meuh@ordi1 ~]$ localectl
System Locale: LANG=fr_FR.UTF-8
VC Keymap: fr
X11 Layout: fr
X11 Model: pc105
[meuh@ordi1 ~]$ locale -a
C
en_US.utf8
fr_FR.utf8
POSIX
[meuh@ordi1 ~]$