Apple today released another build of Mac OS X 10.6.3 to developers. The release is notable as the build number differs once again by only one numeric digit. Build 10D573 weighs in at 790MB for the combo update and 725MB for the delta.

10D573 contains one known issue and continues to advise developers to focus on new areas of the operating system.

Seed notes below.

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
  • 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
  • Resolves an issue with recurring events in iCal when connected to an Exchange server

Known Issues

  • Safari 4.0.5 will be reoffered by Software Update after upgrading to 10D573 from a previous seed

Focus Areas

  • GraphicsDrivers
  • Images & Photos
  • Mail
  • QuickTime
  • Security Certificates