alpha6 is done 
- bundle - jar, no other dependencies
- README - with installation & channels
- release notes
I’m still working on alpha 6 to get RGBW2 in . discovery works, channes should be there, not sure of the channel updates and commands already work.
Please do a complete re-install before you run this release (see README)
Focus for beta1:
- A more or less consistent channel structure so that updates don’t require a complete re-install
- Complete RGBW2 support
- Support for Shelly Bulb if @MHerbst could help
- Support for the Rollershutter item type
- Complete documentation on all channels
It would be helpful if more people give it a try. @igi is doing an excellent job in testing, but feedback from others help to verfiy other environment and maybe you miss a feature, discover a bug etc.