https://community.hubitat.com/t/release-ge-jasco-z-wave-plus-dimmer-driver/9492
I have used these drivers for all my GE/Jasco Zwave Plus, switches and dimmers. 100% so far after 9 months (over 30 devices)
Note on the owner's GitHub there are drivers for each type of GE/Jasco device, not just the dimmer.