Chrome iOS won't load new scenes
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Describe the bug
Chrome on iOS - notably not Safari on iOS - won't load new scenes. (I presume this is actually to do with the underlying webview that Chrome has to use.)
To Reproduce
- Open Santa Tracker in Chrome on iOS
- Try to load another game or scene
- Wait and see the timeout
Notes
This is new in 2021.
Basically we try to load another <iframe>
but never receive its hello payload (every scene that starts up posts a port to its parent) or see it render on the screen.
If you kill the previous frame immediately (rather than letting it stick around for a bit), sometimes it will load. My hunch is that iOS is severely limiting the number of frames that are allowed. The lifecycle around killing the previous frame is a bit nebulous though (even though I wrote it) - I'd suggest maybe taking a fresh look at in future.
The solution is: not sure. The entire architecture of Santa today leverages "disposable" cross-domain iframes to load games, which has worked pretty well for us.