Mozilla has released their first beta version of the ever popular Firefox as they hype up version 18 upgraded JavaScript engine using the Just In Time compiler or JIT, aka, the IronMonkey. Also included in the new release is new support for the Mac platform as well as Apple’s high rez “Retina” display. Other improvements in the beta release include a browser-integrated PDF viewer, the option to disable non-secure content not being protected by SSL and lots more. Read the full details here.