Apple CEO Tim Cook.
  • At Tuesday's Apple event, Tim Cook announced that iOS 14 and iPadOS 14 would launch the following day.
  • This gave developers only 24 hours' notice to prepare their apps for the update.
  • Now, some developers, including Nintendo, are warning users not to download the update or they could experience glitches.
  • Last year, developers had more than a week's notice before the OS update went live
  • Visit Business Insider's homepage for more stories.

On Tuesday, Apple held a virtual hardware event announcing two new Apple Watches, an updated iPad Air, a fitness service, and more. At the end of the event, CEO Tim Cook briefly mentioned that iOS 14 would be available the following day, along with iPad and Watch OS updates. Without a longer lead time, developers warned users about glitches, and even cautioned against downloading the update. Nintendo was one of the biggest developers publicly experiencing problems, and the company tweeted that "Animal Crossing: Pocket Camp" could not open with the new update. Nintendo says it will have an update out within a month. "We do not recommend you to update your device to iOS 14 until we have fixed this issue" it tweeted.

On Tuesday, Apple's developer site told developers to "Make sure your apps are ready when iOS 14 and iPadOS 14 become available to customers worldwide." They could then submit iOS 14 updates for review only beginning yesterday, 9to5Mac reported. Last year, developers had more than a week's notice before the OS update went live, according to the BBC. 

Many developers took to Twitter to complain or make jokes about the time crunch. "Someone please start a GoFundMe for every iOS developer that has <24 hour notice to get their apps ready for iOS 14" one user tweeted.

Apple did not immediately respond to a request for comment. 

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