VeraLite does not update the z-wave status anymore

Hello

After upgrading to UI7 a while back, none of my z-wave modules (switches/dimmers) are reporting their status correctly.
The effect is seen if I toggle/dim something manualy on a switch the status is not updated in Vera.

Support has added a ‘poll device’ scene that runs every minute, but this bogs the Vera down to a point where it can take me up to 10 seconds to dim a light from my HomeWave app.
If I remove the poll device scene, it is repsonsive again, but then then status is lost. This is just like having a 433Mhz NEXA system, i.e. useless.

Does anyone have any ideas what happenden to UI7 and status updates?

Regards
TommyE