The apple-mobile-web-app-status-bar-style metatag sets the status-bar color of a web-app on iOS, when apple-mobile-web-app-capable is also set to
This does not work anymore, as there is no status-bar in iOS 10 and above, and is therefore marked as Deprecated.
Read more about Apple's Webapps at Apple's official documentation (opens in a new tab).
<meta name="apple-mobile-web-app-status-bar-style" content="black">
Requires the apple-mobile-web-app-capable meta-tag to be set to