I eagerly await this work stabilizing to the point of merging to mainline. I'm impressed with how much progress Kent has made, but I'm frustrated by how often he seems to say some feature is basically ready except for this bug and except for that problem. I understand great designs often come from the mind of a single inspired individual, but I hope that he's ready to accept contributions from others and that more developers see the value in helping to get this across the finish line.