https://arstechnica.com/gadgets/2020/11/apple-pushes-out-ios-14-2-1-and-its-mostly-bug-fixes/

Yesterday, Apple released iOS 14.2.1 to fix bugs users have encountered on new iPhones since iOS 14.2 launched on November 5. Unlike many other iOS releases, this release was not accompanied by updates to all of the company's other operating systems.