iPhone 8 shipping slips to 1-2 weeks, Apple Watch Series 3 to 2-3 weeks [U]

[Update: iPhone 8 Plus is slipping to late September/early October for 256GB and 3-4 weeks for 64GB. Apple Watch Series 3 with LTE is slipping to 3-4 weeks, and both Apple TV 4K options are now past launch day.]
Twitter users are noting that shipping times for the iPhone 8, which started slipping within a few minutes of pre-orders opening, are now shown as 1-2 weeks for most models. Apple Watch Series 3 models are typically showing 2-3 weeks at the time of writing.
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