Thanks elmortero. After reading this;

"But, it is not recommended to revert back to a stable version!
Best to post the problem on the forum, and ge
Going back to a previous version can make your current database tables/content corrupt, it is strongly advised NOT to do this"

and the fact that I ...

Does anyone know if it's possible to downgrade, and if so, where to get the previous stable? thanks.

I find that the z-wave signals are now send, but the user variables in my scripts are no longer read, so comparing to the user var fails and thus my logic fails. Saw a new beta this morning, let's see what happens!

Edit; fixed. Script error.

Same here. When I reboot my PI events work for an hour, maybe 2, then they stop working again. Manual tuning on / off devices still works. Script gets run (I see some troubleshoot prints in my log), but it looks like the command is not send to the device.