
A technique used by Sibelius 5, Sibelius First and Sibelius Student to determine the color value of specific pixels no longer works.

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Mac OS X 10.6 Snow Leopard has a number of internal changes that affect how graphics, such as the various components that constitute the Mixer's appearance, are loaded and appear internally. You may also find that Sibelius 5, Sibelius First and Sibelius Student crash on start-up, if the Mixer was visible when you last quit the application before upgrading to Mac OS X 10.6 Snow Leopard. Alternatively, you may find that the Mixer window displays, but is non-functional.

When running on Mac OS X 10.6 Snow Leopard, Sibelius 5, Sibelius 5 First and Sibelius 5 Student may crash when you show the Mixer. 614: Sibelius crashes when displaying the Mixer on Mac OS X 10.6 Snow Leopard
