[Vuejs]-VueJs / @Babel polyfill not working on IE11 v. 11.371 / prod build

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Bringing this post back from the dead, as I found the problem. Unfortunately I can’t fix it.

The problem is NOT due to webpack, package.json, npm or code at all. The issue is that the internal domain that the application sits on is set in IE11 under ‘Compatibility Mode’. When I turn OFF ‘Compatibility Mode’ in IE11 for that root, the site works just fine in IE11 with the polyfill as is. Trouble is, I can’t remove it from that domain, so it’s just not going to work in IE 11.

A big thanks to all who took a look at this. Hopefully this answer will help someone in the future and save some time.

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