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I have a new 15" MacBook Pro with touch bar and can confirm that this OS X update (10.12.3) made a very noticeable improvement on my battery life. It went from 4 hours on moderate usage to at least 8... This relieves the majority of my anxiety with the new MBP and I'm now really happy with my purchase.

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Yup, I see 8-10 hours of real use since 10.12.3

Seems crazy that a software update can make that big of a difference. It almost makes me think they held this back on purpose.

Extremely doubtful, considering how much negative PR they've gotten on their new line of MBPs because of this... The costs must far outweigh the benefits.

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