Apple has released iOS 12.1.3 update for iPhone, iPad and iPod touch. The update is a minor one and mostly focuses on bug fixes and performance updates. The update includes: Fixes for an issue in Messages that could impact scrolling through photos in the Details view Fix for an issue where photos could have striped artifacts after being sent from the Share Sheet Fixes for an issue that may cause audio distortion when using external audio input devices on iPad Pro (2018) Fixes for an issue that could cause certain CarPlay systems to disconnect from iPhone XR, iPhone XS...
Source: https://www.gsmarena.com/apple_releases_ios_1213_and_watchos_513-news-35197.php