Odd issue with Zwave, wondering if I am the only one

[chris (Chris Jackson)]

If you are able to change between the snapshot and then back to 2.3 without any changes to your configuration, then I’m guessing you missed this post -:

ZWave binding updates

I have now merged the development version of the ZWave binding into master, so it will be available in the 2.4 snapshot version. If you are using the ZWave binding, please read this post as the binding contains some breaking changes so you will need to manually update your configuration. Firstly though - the major enhancements (there are tons more smaller updates) -: Security has been added using the S0 security class. This should allow all devices supporting security to be included into the…

In here you will see that you need to remove all ZWave things when changing between versions, so I’m guessing you have not done this?