@HighTower, I’ve compiled modules for DSM 7.2, kernel 4.4.320, apollolake (x86_64), DS918+, you can find them here:
https://drive.google.com/drive/folders/1EuCnIGQ3j78D2dHG-oPnclqaKCmVlK8J?usp=sharing
I’ve upgraded my NAS to 7.2 lately, i can confirm it is working fine, one thing that i did some time ago cause i had some issues with HASS it is that my container is running with network mode set to host.