In fact even if aarch64-laptops is driving their work around Ubuntu, last week I managed to customize a Debian 10 ARM64 Installation (using QEMU and placing aarch64-laptops stuff) to have it booting on the NovaGo, I guess even the more "Debian only" guys of you could be interested at taking a look at it !
https://image.noelshack.com/fichiers/20 ... 220747.jpg(Since it's related about discussion we had previously on this topic)
More information here for the how to :
https://github.com/aarch64-laptops/prebuilt/issues/15