There is no detailed information documentated for that part.
But there are document for the PowerApps webPlayer limits, check:
Requirements mentioned in the article above is:
@ikatz- Yes, we should support IE 11 with Win 7.1 with SP1, can you please file a support ticket?
One issue we have seen sometimes is that Snap property of Gallery causes failures in IE11 or older Edge versions, can you please try setting it to false and see if your crashes stop.
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