In a blog post Monday, Skype announced that the next version for Mac, Skype 5.3, is now available for download. The program is also backwards-compatible with Snow Leopard and Leopard.

For the best HD calls, Skype product manager Krishna Panicker wrote that users should use their Mac’s built-in webcam or one from a list of supported cameras the company sells on its Web site.

For the best results, Skype recommends that users have an upload/download speed of 1.5Mbps.

Someone must have put something in the water over at Skype, which has been on an updating bonanza lately. In addition to adding support for more Android devices, the company also released it’s long-awaited iPad app last week.

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