https://www.macrumors.com/2009/02/09/apple-to-integrate-quicktime-pro-features-in-snow-leopard/
Apple to Integrate 'QuickTime Pro' Features into Snow Leopard? - MacRumors
The latest Mac OS X 10.6 Snow Leopard seeds suggest that Apple may be eliminating the 'QuickTime Pro' upgrade that is currently offered as a $29.99 upgrade to...
apple toquicktime prosnow leopardintegratefeatures