I have a storymap built using the new (beta) style and when I open it in Chrome, Firefox or MS Edge on my Windows 10 laptop it displays fine. However in Safari on a mobile phone the text and images appear and behave as expected but the maps do not load. The place where they would display loads as a light gray box. If I open the storymap in Chrome on the same mobile device all elements display as expected.
The phone is an older iPhone 6s+ so I was wondering if this problem might be isolated to older devices. I will try to locate a newer one on which to test, but was wondering if there any more detailed device and browser requirements or if this is a known issue?
I found some browser requirements here: System requirements—ArcGIS StoryMaps | Documentation but it makes no mention of versions or devices.