As predicted last week Apple has released to developers the first build of Mac OS X 10.6.4.

Mac OS X 10.6.4 build 10F37 weighs in at 528MB for the delta update and contains just four focus areas, one known issue and no listed fixes.

Known Issues

  • Password will be requested when launching iChat

Focus Areas:

  • Graphics Drivers
  • SMB
  • USB
  • Voice Over

Apple released Mac OS X 10.6.3, the third major update to Snow Leopard one month ago on March 29.