Sorry for the late answer. Our development team investigated the issue earlier last year and it turned out that it is not caused by a bug on our side. This is a browser issue in Internet Explorer 10+, which causes XHRs to stuck in pending state, when sending empty files. Other developers (for example on stackoverflow
) are experiencing the same issue too.
As we could not do much at the moment, I would suggest you to post this as a bug report in Internet Explorer feedback program
, which may speed up the fixing process.
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