I opened and closed the app multiple times on the iOS 17 iPhone XR phone, but the car model couldn’t display it later. Sometimes an error is reported and the car model cannot be displayed
Sometimes not reporting an error
The error message is
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hey … could you try running with the debug version of the engine, the error (callstack) should be a lot more readable.
Hello, there is indeed a problem. My system is iOS 17. 0.3 version, and I encountered these errors when opening it
Under Android, it’s authentic
The ticket with details, it seems to be a safari issue reported by multiple engines:
opened 04:30PM - 11 Oct 23 UTC
bug
area: graphics
Occasionally, WebGL applications running on Safari 17 on iOS devices get constan… t context lost message, nothing renders and the console has endless context lost messages. When this happens, the browser needs to be restarted to be able to create WebGL context.
It seems other WebGL engines are suffering the same problem:
https://github.com/mrdoob/three.js/issues/26829
https://forum.unity.com/threads/webgl-context-lost-ios-17-safari.1501193/#:~:text=The%20log%20is%20related%20to,reappear%20with%20a%20certain%20probability.
Here's the related webkit bug: https://bugs.webkit.org/show_bug.cgi?id=261313
Which was marked as fixed, and so I assume we're just waiting for the release with the fix.
I tested this on 17.0.3 on iPhone XR (latest available update for me) and it still is there.
When this happens, occasionally we get a secondary bug: https://github.com/playcanvas/engine/issues/5743
But this is not the root cause of the problem and will be fixed separately.
Yes, can this problem be solved? We have been experiencing this issue in our project.
As the ticket explains, this is a Safari issue, and they already have the fix - so we’re just waiting for a newer Safari with this fix.
