Build 10F50 includes numerous fixes and just one known issue, reports World Of Apple. It weighs in at 581.3MB in its delta form, reports World of Apple. Mac OS X 10.6.4 entered testing towards the end of last month. Speculation (and WWDC) suggests a June launch for the new OS iteration. Included in this update:

Resolve an issue that causes the keyboard or trackpad to become unresponsive Resolve an issue that may prevent some Adobe Creative Suite 3 applications from opening Address issues copying, renaming, or deleting files on SMB file servers Improve reliability of VPN connections Resolve a playback issue in DVD Player when using Good Quality deinterlacing Resolve an issue editing photos with iPhoto or Aperture in full screen view Improve VoiceOver compatibility with iMovie and GarageBand Improve compatibility with some braille displays

Known Issues

Marketing text is not formatted correctly, line returns missing.

Focus Areas:

Graphics Drivers SMB USB Voice Over VPN