iOS 11.4: Beta 4 released to developers, hints at calendar support for HomePod

Updated 05/07/18: Apple has released iOS 11.4 beta 4 to developers. The public beta is expected in the next day or two. Not much has changed from earlier betas, but there's a hint that calendar support is coming soon to HomePod.iOS 11.3 was released on March 29 after more than two months of beta testing. It added several new features, including battery health and performance settings, four new Animojis, Business Chat and Health Records betas, and a bit upgrade to ARKit.Two big features we've be