PhotoMechanic 4.6.6, Mac OS X 10.6.5, 2.8 GHz Intel Core 2 Duo Macbook Pro, late 2009, 4GB RAM Memory
Pressing 'M' with selected image in contact sheet in order to change title, then if you scroll up or down before pressing enter the screen goes weird. Image attached. Problem solves if I switch to another application and then back to PhotoMechanic, but it's tedious.
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