2020


 * January 1: The 2020 date limit bug is triggered in classic Macintosh computers running Mac OS 9.0.3 or earlier.
 * January 20: iOS 13.3.1 and iPadOS 13.3.1 are released.
 * January 28: macOS 10.15.3 is released.
 * February: Apple Inc. closes its retail stores in China due to an outbreak of COVID-19.
 * March 13: Apple retail stores are re-opened in China but closed in the rest of the world as COVID-19 becomes a worldwide pandemic.
 * March 24: iOS 13.4 and iPadOS 13.4 are released.
 * March 25: The 4th generation iPad Pro and macOS 10.15.4 are released.
 * March 27: Apple releases a COVID-19 web-based screening tool and app.
 * April 5: Tim Cook announces that Apple designed a face shield to be produced for medical workers.
 * April 7: iOS 13.4.1 and iPadOS 13.4.1 are released.
 * April 24: The IPhone SE (2nd generation) is released.
 * May 2-3: The 2020 Worldwide Online Newton Conference is held virtually due to the COVID-19 pandemic.
 * May 11: Apple begins re-opening stores in the United States on a rolling basis.
 * May 20: iOS 13.5 and iPadOS 13.5 are released.
 * May 26: macOS 10.15.5 is released, introducing Battery Health Management for Mac notebooks.
 * May 30: Many Apple Stores are looted or vandalized during nationwide protests related to George Floyd.
 * June 1: iOS 13.5.1 and iPadOS 13.5.1 are released.
 * June 22-26: The 2020 Worldwide Developers Conference commenced in an online-only format for the first time. Announcements included iOS 14, iPadOS 14, watchOS 7, macOS Big Sur, and the 2020 Developer Transition Kit, to facilitate the transition from Intel to Apple processors through 2022.
 * June 26: Microsoft permanently closed all its retail stores after taking a loss of $450 million during the COVID-19 pandemic.
 * July 15: iOS 13.6, iPadOS 13.6, macOS 10.15.6, and watchOS 6.2.8 are released. CarKey is publicly released with support for the 2021 BMW 1, 2, 3, 4, 5, 6 and 8 series; and X5, X5M, X6, X6M, X7 and Z4.
 * September 1: iOS 13.7 and iPadOS 13.7 are released.
 * September 15: The Apple Watch Series 6, Watch SE, 8th generation iPad, and 4th generation iPad Air are announced during an online-only September special event. The Apple One service is also announced.
 * September 16: iOS 14 and iPadOS 14 are released to the public.
 * September 18: The Apple Watch Series 6, Watch SE, and 8th generation iPad are released.
 * September 24: iOS 14.0.1, iPadOS 14.0.1, and macOS 10.15.7 are released.
 * October 13: The iPhone 12, 12 mini, 12 Pro, 12 Pro Max, and the HomePod mini were announced in an October special event.
 * October 20: iOS 14.1 and iPadOS 14.1 are released.
 * October 23: The 4th generation iPad Air, iPhone 12 and 12 Pro are released.
 * November 5: iOS 14.2 and iPadOS 14.2 are released.
 * November 10: Apple announced the new Apple Silicon-based MacBook Air, MacBook Pro, Mac mini, & the all-new processor Apple M1 during a November special event.
 * November 12: macOS Big Sur is publicly released, starting with version 11.0.1.
 * November 13: The iPhone 12 mini & the iPhone 12 Pro Max are released.
 * December 8: AirPods Max is announced.
 * December 14: Apple releases Apple Fitness+, iOS 14.3, iPadOS 14.3, and macOS 11.1 to the public.
 * December 15: AirPods Max is released.