I know it's not new, but I still get a kick every time I see "Zombie Detection" listed on the features page and I re-realize it's not a joke.
"Zombie Detection: Hard-to-find application errors and crashes can be trapped within Instruments when an application tries to access memory no longer available."
"Zombie Detection: Hard-to-find application errors and crashes can be trapped within Instruments when an application tries to access memory no longer available."