When Apple stops supporting older iPhones and iPads with the latest version of iOS or iPadOS, it usually isn’t the end of the line—Apple keeps releasing new security-only patches for those devices for another year or two, keeping them usable while their hardware is still reasonably capable.

OS 26.3 has been in beta testing for more than a month. The software update is relatively minor, but it does include a couple of new features for iPhones. iOS 15.3 through iOS 18.3 were all released to the general public in late January over the years,