Posting this here in the hopes that someone else has recently encountered this same issue. At some point since 5/4/2021, our builds have stopped working in IE 11.
Specifically, we are seeing errors related to the define method (define is not defined) and arrow functions (syntax error). Since I see the define method in compiled versions of previous builds that do work in IE 11, I am assuming that the babel-polyfill is supporting not only that but arrow functions (and who knows what else).
Even if I am to go back and build the same code base from 5/4/2021, it will no longer work in IE 11, so my belief is that this is a dependency issue (and not one related to changes in the codebase).
I am looking at package-lock files from working vs. not-working builds and the babel versions all seem to be the same.
Has anyone else encountered this issue, or does anyone have any suggestions for debugging the root cause?
Ember 3.1.3
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