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Wow... downloaded OTA in about 4 minutes... Preparing update now.
I wasn't planning to upgrade based on the issues with the GM, but now I'm helping to QA an issue that arose with a third-party software installation. Thankfully, my 11 Pro Max arrives tomorrow if my 7 Plus is too unhappy with all this.
 
You're better off waiting the 11 days for iOS 13.1 to come out. Unless you like running beta quality software.
Unfortunately, if you're one of those getting a new Apple Watch tomorrow, watchOS 6 won't work with iOS 12, requires iOS 13 (and the new watches will come with watchOS 6), so the choices are, update to 13, or leave the Apple Watch untouched for a week waiting for 13.1.
 
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