Mac OS 10.6.3 build 10D548 seeded to developers

Some news from the Mac development realm today: OS X 10.6.3 build 10D548 was released to developers last night. 
From the seed notes:

Included in this update:

– Performance improvements for 64-bit Logic
– Addresses compatibility issues with OpenGL-based applications
– Includes changes to QuickTime X that increase reliability, improve compatibility and address security.
– Improves printing reliability and compatibility with 3rd party printers
– Respects the DNS server ordering as specified in Network Preferences
– Addresses an issue that causes background message colors to display incorrectly in Mail when scrolling
– Resolves an issue that prevented files with the # or & in their names from opening in Rosetta
– Resolves an issue that prevented files from copying to Windows shares
– Resolves an issue that caused machines using BTMM and the Bonjour Sleep Proxy to wake unexpectedly

Focus Areas
– AirPort
– GraphicsDrivers
– iCal
– QuickTime
– Printing

But the biggest news? 

Known Issues
– none

Which means we might see it sooner rather than later.