For anyone who hasn’t seen it, TL;DR:
They will have all final parts for for assembly in mass production in their factory on January 22nd and expect to send the “your batch is being prepared”-mails for Batch 1 before the end of January
I guess that should mean shipping of the first unit in the first week of February, and most people seem to speculate that they will ship one batch per week, like with the later FWL13-AMD batches