https://ci.openhab.org/job/openHAB2-Bundles/modules
Yes, by searching the forum 
In short: uninstall your current zwave binding, download the snapshot, put it in your addons folder, restart openHAB. Sometimes cleaning the cache and tmp folders is needed.
To be sure you are running the latest snapshot log into karaf and perform:
openhab> bundle:list | grep ZW*
249 x Active x 80 x 2.5.0.201901051658 x ZWave Binding