Cnet: There may be times after upgrading your Mac's operating system that you experience odd slowdowns on the system, either problems with general workflow or issues with booting the system.
Cnet: If you have a Mac Pro system and have updated to Apple's recently released OS X 10.7.4 update, you may find an apparent warning window appear whenever you reboot your system. The warning looks like a standard information dialog box window that contains a picture of a Mac Pro system from the side, but the rest of the window contains no information of value.
Engadget - Before we get to the real meat of things, Tim Cook's just trotted out some Lion numbers -- six million copies downloaded since launch, to be exact. According to the big Apple's new CEO, that's a growth of 80 percent over Snow Leopard.
Apple has released two beta versions of OS X 10.7.2 in just five days, which suggests that the final version is probably not to far away. Registered developers are now able to download the new beta version of Mac OS X 10.7.2 (build 11C43), iCloud (beta 9) and iPhoto 9.2 (beta 3) from the Mac Dev Center.