I also received a delayed shipment notification, but it was regarding the dongle (plus the dongle had already shipped and arrived either the same day or a day after that email. Weird)
We appreciate your recent purchase from the Apple Store. Following is
an update regarding the status of your order.
Due to an unexpected delay, we now anticipate shipping the following
item(s) as follows:
MJ1M2AM/A, USB-C TO USB ADAPTER-AME
Ships by In Stock
Delivers by 01 Nov, 2016
We regret any inconvenience this delay may cause.
A shipment notification, with tracking information, will be emailed to
you as soon as your order is shipped. You may check the status of your
order any time by visiting our online order status website at
If you prefer, you may change or cancel your order anytime before it is
shipped. If you choose to cancel your order, Apple will issue a prompt
refund.
We are happy to answer questions or provide further status regarding
your order. You may reach us by calling
1-800-676-2775, Mon-Fri 5am-8pm
or Sat-Sun 7am-4pm Pacific time.
If we do not hear from you, we will continue processing your order.
We appreciate your business and your patience. Thank you for shopping
at the Apple Store!