I just tried your latest image on the RockPro64. Startup works, and my SSD over NVMe / PCIe is also detected. One question, should x265 10bit video playback be working? I saw a confirmation from xmixahlx in the armbian forum, but I don't know if you applied the mentioned patch to your build or if he uses a completly different build scripts.
Example video, which doesn't work:
Thanks for your time you invest in the project.