There's still some talk of ongoing QC testing to do. It's possible that they're doing something similar to what OPPO has done in the past: build a first batch once you feel sure you have the hardware locked in and get it shipped over from Asia, then sit on it while finalizing the firmware. You can then load the final firmware manually onto that first batch. It's tedious and takes some stateside labor, but it is still faster than waiting on final firmware to start building the batch and then waiting for it to sail across the Pacific.