Apple has posted three software/firmware updates.
About AirPort Base Station and Time Capsule Firmware Update 7.6 is for all 802.11n AirPort Express, 802.11n AirPort Extreme and Time Capsule models. It provides fixes for: an issue with performance on overlapping wireless networks; an issue with AirPlay audio streaming; and an issue with configuring multiple entries for DNS servers.
MacBook Pro SMC Firmware Update 1.5 resolves an issue where a MacBook Pro being used with a power adapter may unexpectedly shut down under heavy workload if the battery charge level is near empty.
Digital Camera RAW Compatibility Update 3.9 adds RAW image compatibility for more cameras to Aperture 3 and iPhoto ’11.
You can obtain the updates via the Software Update component of Mac OS X’s Systems Preferences app.