Kerry Wan/ZDNETApple finally launched iOS 18 on Monday, and like clockwork, the bugs are starting to come out of the woodwork. It all starts with the Apple Watch. You can directly share a watch face with someone else through Messages or Mail. The idea is to give other people access to a personalized face that you tweaked yourself.Also: My biggest regret with upgrading my iPhone to iOS 18 (and I’m not alone)Next, let’s say the recipient uses Messages in iOS 18 to reply to any text in a conversation thread that contains the shared watch face. With iOS 14 and higher, you can respond inline to any previous message in a thread simply by pressing down on it and tapping Reply. But if you’re running iOS 18, don’t do that.Apparently, if your phone has iOS 18, replying inline to a message with the shared watch face causes the Messages app to crash. Not only that, but you could end up losing all the messages in the conversation. The bug was encountered by someone who shared the discovery with 9to5Mac, which was then able to reproduce the issue.Also: iOS 18 is bricking some iPads. Here’s what to know before you install itBut the problem doesn’t end there. If you bump into this glitch, Messages will repeatedly crash if you try to open the conversation in the app. This means sending or responding to messages in other conversations may not be possible either. What’s more, once the bug has popped up, both the sender and recipient of the shared watch face message fall into the same trap. More