Exactly, you have people investing time and money integrating and deploying jBPM 4 in their production environments, and its not fair not to explain - without any kind of ambiguity - what is going to happen with the jBPM4, knowing that the new jBPM5 will we completely different to the actual API.
Things like that you don't expect to happen in organizations like Red Hat.
Please be clear and direct as soon as possible in order to allow us take the best and painless decision, maybe be have to come back to the 3.x branch or found other alternatives.
Thanks