Some minor hassles, most will work when updating packages. You'd probably have to reinstall macports though, if you're using that (don't know about brew). I ca

Some minor hassles, most will work when updating packages. You'd probably have to reinstall macports though, if you're using that (don't know about brew). I can recommend a clean install though. I just did that myself on the beta, and nothing is nicer than knowing that everything works so far (of tools installed). If you're up for it, I can recommend http://lapwinglabs.com/blog/hacker-guide-to-setting-up-your-mac http://lapwinglabs.com/blog/hacker-guide-to-setting-up-your-....