It brings tons of enhancements, both aesthetically and under-the-hood, but most of them are about function. Scheduled to debut sometime this month, OS X Lion is the latest version of Apple’s desktop operating system. Two workarounds have been included in a new version of Firefox, the popular open source web browser from Mozilla, following the discovery of one issue that caused the application to misbehave under OS X 10.7 Lion, and another that caused the Java plugin to fail to load.