PatiencePretty hard to expect an ABE certification if they are tinkering with the design of the units. It can't be too complicated, but if that is happening, it may require upgrades to the manufacturing procedure. It would require a substancial financial cost and set back the timing of a release of the improved units. (pure speculation here)
When they get it right hopefully with the help of engineers that know what they are doing, I think we all agree the potential once it is accepted would be absolutely huge.