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What about UI lag?

I decided to try Yosemite on my 2012 rMBP once again and, with 10.10.3, opening folders on the dock and scrolling through it's contents is so laggy it hurts.
 
Battery

After updating my macbook the battery is not lasting! did happened to somebody else?? thanks

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After updating my macbook the battery is not lasting! did happened to somebody else?? thanks
 
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