A new firmware (1.1.1) has been committed to github (it’s in dev-1.1.1 branch, not yet merged with master). You can download and try the compiled firmware 1.1.1:
https://github.com/OpenGarage/OpenGarage-Firmware/tree/dev-1.1.1/Compiled
It added DNS parameter which should fix the NTP time sync issue when using static IP. It also includes another option to disable alarm when opening door (thus alarm is only effective when closing the door, per request from another thread).