Demo site not working under IE 11
https://mariomka.github.io/vue-datetime/
Doesn't display properly under IE 11. Is this intended?

This is not only an issue with the demo page it seems, but also occurs with a live implementation of vue-datetime. +1
I just dont get it... The error seems to be related to Object.assign but vue-datetime uses a polyfill for that so it should be all good, shouldn't it? https://github.com/mariomka/vue-datetime/blob/16cb2e731283c199ae857a6cd06548435b683157/build/build.js#L52
Also having an issue with this. Were you able to get it working @ftbastler?
We ended up using this package for all browsers except Native OS's on mobile and IE. For mobile, we just displayed a native datepicker, and for IE 11, I'm not sure what we did (can't remember), but we also either used native HTML datepicker, or pulled a package in that worked.
For detecting which device was used, we used https://github.com/jenssegers/agent