But do some research and pretest on a nonproduction system if you’re concerned.ĭon’t expect this to be a brand new experience: Most of the UI changes are small. We also tested QuickSilver, App Zapper, Adium, Tweetie and Evernote, and all seemed to work fine. We were able to test Adobe Photoshop CS 3 on Snow Leopard and thus far have had no problems. Adobe, for example, has already stated that Creative Suite 3 has not been tested on Snow Leopard and may have compatibility issues. However, if you’re running third-party software that you absolutely need, it’s always smart to check the developer’s website to see if the app has been tested on Snow Leopard. It’ll still work, but just not as fast as it could be if it were optimized for 64-bit computing. If a developer hasn’t rewritten his or her application for Snow Leopard, that most likely means it’s just not 64-bit capable.

Leopard was a 64-bit system that also supported 32-bit software, and Snow Leopard is still compatible with 32-bit applications. Most applications working on Mac OS X 10.5, aka Leopard, will most likely work in Snow Leopard. Not All Third-Party Software Is Guaranteed to WorkĪs is often the case with OS upgrades, there are going to be some third-party developers who procrastinated on testing their software to ensure compatibility with Snow Leopard.

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