On Wed, Sep 3, 2014 at 9:51 AM, Herbert Valerio Riedel <hvr@gnu.org> wrote:

Are there any specific GHC 7.4+ features you want to use, or any other
inconveniences (other than keeping an ghc-7.0.4 entry in the travis.yml
file) that would increase the cost to keep supporting GHC 7.0.x?

I don't know what the case is for HTTP, but in libraries that I maintain I'm typically able to remove a bunch of ifdefs every time I raise the minimum bar. Now, if we could only stop making breaking changes in GHC/base all the time...