The Dev System Status page notes multiple issues, including the ID Notary Service.ĭeveloper Panic shed more light on how the server issue rooted in Gatekeeper has affected third-party apps previously shared by Jeff Johnson below: Update 1:51 PM PT: Apple’s Developer site is back up and running. Kudos to all the Apple engineers who no doubt worked under big pressure to fix the issues quickly!Ģ:34 PM PT: Apple Maps issues have been fixed, leaving just the macOS Big Sur update problem (and two small developer issues with TestFlight and documentation).Ģ:19 PM PT: Apple Card and Apple Pay issues are now fixed as well as iMessage and the ID Notary Service. It looks like it will take more time before this is fully ironed out.Ģ:45 PM PT: Apple says the macOS software update issue has been resolved (along with all other user-facing services that saw outages today). However, some are seeing success by downloading and installing it directly the from Mac App Store (instead of with the software update option through System Preferences/About this Mac).ģ:20 PM PT: Even after Apple sharing the macOS software update problem has been fixed, users are still seeing an error after Big Sur is downloaded preventing it from being installed. As mentioned below, some are having better luck with initializing the download/installation from the Mac App Store.ħ:30 PM PT: We’re still hearing from many readers that trying to install Big Sur errors out. Meanwhile, it seems that Apple’s Developer website is down as is iMessage and we’re even seeing macOS Catalina performance impacted.ġ1/15: We’ve learned the technical details behind why macOS Catalina and earlier users saw performance problems during Apple’s server issues, check it all out here.ġ1/13 – 7:45 AM PT: We’ve seen reports of Big Sur installation failures drop significantly and readers are starting to share more reports of success.

While downloads are often slow with the large file and many users trying to get the software at the same time, it looks like download times are particularly slow this year and are failing in many cases. Apple just released its major macOS update with Big Sur.

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