I updated Ubuntu to 19.10 on my Dell XPS 15 laptop today and it’s working great!
This version supports the wifi card out of the box. The only trick I had to do
was to set
GRUB_CMDLINE_LINUX="nouveau.blacklist=1 mem_sleep_default=deep" in
/etc/default/grub then run
update-grub and reboot to get supend and resume
working. Everything else (except the fingerprint scanner) works fine.