title: Unity 4.6.x Editor Application crashes on load OS X Yosemite
body: <p>Asking this on SO as well as the Unity network, hoping someone can give me a hand.. I'm running into an issue that seems to be specific to 4.6.x versions of Unity. First, the specs: I'm running a Mac Mini with an i7 Processor, 8GB of ram and OS X Yosemite.</p>
  
  <p>Now, I've been able to run Unity 5.x without any issues (This is my last resort, If I have to I'll end up running Unity 5.x, but I'd rather run 4.6.x), but when I attempt to run any Unity 4.6.x version, the <strong>editor application itself</strong> attempts to start up, and immediately crashes. I've attempted uninstalling &amp; removing preferences, rebooting, different versions, etc to no avail. Has anyone run into this issue before, if so what was the fix? I've heard that this was a known issue at one point, but was fixed in Unity 4.6.1 (which I've attempted to run unsuccessfully...)</p>
  
  <p>Thanks!</p>