The iOS 18.1 update introduces support for a new RCS messaging feature and fixes a known issue affecting devices in the iPhone 16 range. Here's what you need to know about the release.iOS 18.1 introduces RCS support for Business Messaging, fixes an issue affecting iPhone 16 Pro units.On Monday, Apple made the release candidate version of iOS 18.1 available to developers, ahead of the software's public launch on October 28. Similar to previous developer betas, Monday's release candidate introduces support for a new software feature and includes key bug fixes.In addition to the various issues the update resolves, the RC version of iOS 18.1 enhances the existing business messaging feature by adding support for the RCS protocol. Continue Reading on AppleInsider | Discuss on our Forums