The --head brew install option at the moment points to just a few commits ahead of 4.0. There has not been a lot of divergence. I expect the homebrew packagers

The --head brew install option at the moment points to just a few commits ahead of 4.0. There has not been a lot of divergence. I expect the homebrew packagers will soon update the url to point to 4.0 I really wish I could dedicate myself to working on the Mac OS X packages. It really requires a lot of work.