"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
watchOS 5.1 Update Bricking Some Apple Watches [Update: Apple Temporarily Pulls watchOS 5.1]
Customers who are affected are seeing their Apple Watches stuck at the Apple logo loading screen after initiating the watchOS 5.1 update.
Some customers who contacted Apple were initially told that the update could take a few hours, but multiple people have seen no progress after three or more hours. From MacRumors reader Bazooka-joe:
So my series 4 sssb has been stuck on installing 5.1 For an hour and a half now with nothing showing on the watch except the bright white Apple icon. Spoken to Apple Support who said that they are getting calls from other people experiencing the same issue and they have advised me to leave it for 2 to 3 hours. WTF Why would an update that supposed to take 10 minutes to install take 2 to 3 hoursIt appears affected users have the Apple Watch Series 4, which is the newest Apple Watch that was released in September.
Some MacRumors readers have said that Apple is going to be shipping out replacement watches for those who have been affected.
Not all customers who have an Apple Watch Series 4 have had problems installing the watchOS 5.1 update, but as a cautionary measure, it's worthwhile to hold off downloading and installing the software until Apple pushes a fix. Apple has not pulled the watchOS 5.1 update as of yet.
Update: Apple has temporarily pulled the watchOS 5.1 update.