2020


 * January 1: The 2020 date limit bug is triggered in classic Macintosh computers running Mac OS 9.0.3 or earlier.
 * 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 is released and iPadOS is also updated to version 13.4.
 * 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 24: The IPhone SE (2nd generation) is released.
 * May 11: Apple begins reopening stores in the United States on a rolling basis.
 * May 20: iOS 13.5 is released and iPadOS is also updated to version 13.5.
 * May 26: macOS 10.15.5 is released, introducing Battery Health Management for Mac notebooks.
 * June 22: Worldwide Developers Conference 2020 to commence in an online-only format for the first time.