Ubuntu Kernel 4.20 was released and Successfully installed on Deepin, following the same procedure I described in the installation post in Kernel 4.19.11.
Links:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/
> https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/linux-headers-4.20.0-042000_4.20.0-042000.201812232030_all.deb
> https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/linux-headers-4.20.0-042000-generic_4.20.0-042000.201812232030_amd64.deb
> https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/linux-modules-4.20.0-042000-generic_4.20.0-042000.201812232030_amd64.deb
> https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/linux-image-unsigned-4.20.0-042000-generic_4.20.0-042000.201812232030_amd64.deb
Just download the files and install using the graphic installer or dpkg, also remember to update Grub!
Good luck!