Apple has released both AirPort Driver Update 2.0.1 and Mac OS X Server 10.1.2 Update.
Apple's AirPort Driver Update 2.0.1 is currently available to Mac OS X users via the Software Update control panel.
The update includes new firmware for the original graphite Base Station. It improves Point-to-Point Protocol over Ethernet support.
The Mac OS X Server 10.1.2 update offers improved reliability and performance of Apple file, Apache Web and Mail services under heavy load. It includes security fixes for FTP and the BSD Line Printer Daemon. Enhancements have also been made to improve server administration, SMB printer sharing, WINS registration and system-clock accuracy.
The Mac OS X Sever 10.1.2 update is available for download from Versiontracker.com.