"Drop IE9 support for v4 beta?"
"fuck it, why not"
https://github.com/twbs/bootstrap/issues/21387
This isn't how you should drop support, it might be a good choice but can we at least have some discussion, maybe even an RFC, not just declare it be so within the space of 3 hours and lock the issue...
Like this: https://github.com/emberjs/rfcs/pull/45