Apple is working on a solution for a known iOS 7 glitch that is disrupting iMessage, the Wall Street Journal reports. Some users have found that iMessages appear to go through, only to later discover that the message has not actually been delivered. “We are aware of an issue that affects a fraction of a percent of our iMessage users, and we will have a fix available in an upcoming software update,” Apple said in a statement. A few workarounds…
