The beta test has actually concluded. They are compiling the results. Hopefully they will release it to the community soon. Once they do, you will not need the OSRAM hub.
I use the default DTH but there are other options, including the one here:
Intended for the US HA version. May work with the European ZLL version, but not tested.
Implements:
Custom On/Off dim duration (in preferences)
Custom dim duration for level change (in preferences)
Custom duration for color transition (in preferences)
Pulse (aka ZLL breathe) and blink (custom commands)
Color loop/cycle
UI enhancements
Updated 6/6/17:
set default color/level code by @ranga
To set default initial (power-on) color/level:
set your preferred color/level
wait for a few seconds, then tap the Set Default tile
wait 3-5 minutes for the process to complete (do NOT switch off or change any settings during this time)
the main (on/off) tile will turn orange with “WAIT” status during this period; if it does not reset after 3-5 minutes, tap the refresh tile
after that, you can try…