Today Apple released iOS 12.1.3 after testing it out across four betas.
Apple also rolled out tvOS 12.1.2, macOS 10.14.3 and watchOS 5.1.3 with several bug fixes and security improvements.
For the iPhone and iPad, iOS 12.1.3 handles an issue in the Messages app that could impact scrolling through photos in the Details view. And it addresses a problem where photos could have striped artifacts after it gets sent from the Share Sheet.
In adition, iOS 12.1.3 corrects an issue that may cause audio distortion when using external audio input devices on iPad Pro (2018). And it resolves a problem that could cause certain CarPlay systems to disconnect from iPhone XR, iPhone XS and iPhone XS Max devices.
The update also patches several issues with the HomePod speaker. For example, it now prevents an issue that could cause the HomePod to restart. And it repairs a problem that could cause Siri to stop listening on the HomePod.