Firmware update with Z-Wave JS UI


I switched from z-wave JS to community z-Wave JS UI.
now I tried to firmware update my z-wave devices.
Well with Z-Wave JS it was quite easy - I got informed of a new firmware and was able to just update by pushing a button. No download was required.
With community JS UI I only found an update button in advanced configuration of the devices and there I had to manually upload the new Firmware. - So far so good, but I can only update one after the oder and it takes 20 Minutes per firmware upgrade.
this would take me two days to update all Qubino Wave Shutter I am using.
Is there any better method - some schedule? or do I really have to update one after the other with a waiting time of 20 Minutes in between?