Thanks for your bug report. Indeed, x-www-browser is pointing at chromium-browser, which seems to be installed for some reason. We'll investigate.
xubuntu@xubuntu:~$ ls -lart /usr/bin/x-www-browser lrwxrwxrwx 1 root root 31 Sep 18 2020 /usr/bin/x-www-browser -> /etc/alternatives/x-www-browser
xubuntu@xubuntu:~$ ls -lart /etc/alternatives/x-www-browser lrwxrwxrwx 1 root root 25 Sep 18 2020 /etc/alternatives/x-www-browser -> /usr/bin/chromium-browser
Thanks for your bug report. Indeed, x-www-browser is pointing at chromium-browser, which seems to be installed for some reason. We'll investigate.
xubuntu@xubuntu:~$ ls -lart /usr/bin/ x-www-browser x-www-browser -> /etc/alternativ es/x-www- browser
lrwxrwxrwx 1 root root 31 Sep 18 2020 /usr/bin/
xubuntu@xubuntu:~$ ls -lart /etc/alternativ es/x-www- browser es/x-www- browser -> /usr/bin/ chromium- browser
lrwxrwxrwx 1 root root 25 Sep 18 2020 /etc/alternativ