The OS X 10.7.4 update led to problems with Bluetooth devices for a few users, but luckily in most cases these are easily fixed.
A debugging error that left some users' passwords stored in plain text in OS X 10.7.3 has been closed in OS X 10.7.4.
While some PGP Desktop installations may stop working, you can clone PGP disks to unencrypted images to access your files.
Repeated "smcReadKeyAction" errors in the OS X console may be from third-party software, or be fixed by downgrading kernel extensions.
An apparent information window that appears at boot only states "keyApplicationTitle," "keyWarningOptimalInfo," and "keyOKButton."
Adobe has offered a workaround to this issue by reimplementing components that Apple has removed from its APIs.
Adobe users have narrowed the InDesign crash problem down to the software running on OS X 10.7.4 on newer Apple hardware.
The small update fixes communications problems with some Thunderbolt devices.
Apple fixes library import and upgrading bugs with this relatively sizable update.
Following updates to OS X 10.7 Lion that fixed some password security bugs, Apple has released updates for other supported software.