Owners of the newly release 13- and 15-inch Retina MacBook Pro models may want to fire up Software Update for something even more important than a fix for Mail in Mavericks. Firmware updates for both models also released on Thursday take care of some potentially big problems with these latest laptops.
MacBook Pro Retina EFI Update v1.3 fixes an issue with unresponsive keyboards and trackpads on the 13-inch Retina model. Apple previously acknowledged the problem and promised a fix back on Halloween.
MacBook Pro Retina EFI Update v1.2 for the 15-inch Retina MacBook Pro resolves an issue that--in rare cases, according to Apple--limited the performance of the discrete graphics processor after a system wake or boot.
And for good measure, Apple also released an iBooks Update 1.0.1 update for the desktop version of its ebook software in Mavericks. It's changes are more vague, with, "bug fixes and improvements to performance and stability."
All three updates are available now via Software Update.