chaiOS bug, which is a specific link that can cause iMessage on iOS and Macs to crash. Apple now tells Buzzfeed that a fix is expected next week.
chaiOS was discovered by Abraham Masri and potentially causes crashes, resprings, and battery issues on the latest versions of iOS and macOS.
The link itself is available in the tweet embed below. In general, this “bug” is just a pain all around in Messages. It’ll cause your device to completely freeze, prevent Messages from opening at all, and much more.