Yeah with compatibility you win some and you loose some.
I read that MS is going to create an entirely new IE .
That is bad news and bad news.
The bad news is that, probably, nothing will (again) work.
The bad news is that they will, probably, try to impose the "tiles" BS.
If this is an "internal" site i would suggest that you notify the users to not use Ie11 or any IE for that matters. If it is a public one then, good luck, you gonna need it.