To be honest I have not noticed any improvement on upgrading to OS X Mavericks on this laptop, but I have noticed a significant degradation in the performance of the wireless networking – notably dropped connections and long re-connect times. Not impressed.
And, of course, it is proprietary software so there is little chance of a community-originated fix appearing.
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- OS X Mavericks switches to SMB2 networking (reviews.cnet.com)