PhantomJS hits 2.0 with updated WebKit but is not without flaws
It uses an updated Qt library, version 5 and contains WebKit fixes that many developers have long awaited.
Beware that file upload does not work anymore and onLongRunningScript and stopJavascript do not work anymore.
The release notes say that “OS X 10.10 (Yosemite) can not build PhantomJS”. I don’t know if that means that it doesn’t work at all on OS X or if you cannot compile from source on OS X.
Read more from the source: phantomjs.org