ROBLOX puts great effort into developing unified code that runs across multiple platforms – PC, Mac and soon iPad – on a wide variety of hardware and software configurations. This summer, as we ratcheted up development efforts for ROBLOX on mobile devices and tablets, we found the software we use to compile our code was only compatible with either Mac OS X 10.5 (Leopard) or mobile devices. We were faced with a tough decision: maintain a separate code base for OS X 10.5 or discontinue support for it.

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