Apple releases latest iOS 15 public beta By IANS | 2 Views Apple. (File Photo: IANS). Image Source: IANS News San Francisco, July 17 : After releasing it to developers, Apple is now rolling out the latest iOS 15 beta for public beta testers. Apple refers to this as iOS 15 public beta 3 and it includes a handful of notable changes, such as Safari design changes, new Music widgets and more. Users interested in signing up for Apple's public beta testing programme can do so via Apple's website, 9To5Google reported. Apple's new software version won't be complete until the fall, at which point it will be released to the general public.