i've succefully installed ubuntu 20.10 wich is debian based distro. I've dual boot. 
As you probably know there are some issues. Webcam and fingerprint reader doesn't work... yet.
Take a look this

https://wiki.ubuntu.com/Dell/XPS/XPS-13-7390-2-in-1

My worst for me was when changing IRST to AHCI following these steps:

https://discourse.ubuntu.com/t/ubuntu-installation-on-computers-with-intel-r-rst-enabled/15347

because finaly Windows did not boot until desperate googled and this command line solved in my problem:.

X:\WINDOWS\SYSTEM32>bcdedit /set {current} safeboot minimal

Hope this helps you. Good luck!