General fixes and improvements improves compatibility with some Braille displays resolves an issue that causes the keyboard or trackpad to become unresponsive resolves an issue that may prevent some Adobe Creative Suite 3 applications from opening addresses issues copying, renaming, or deleting files on SMB file servers improves reliability of VPN connections resolves a playback issue in DVD Player when using Good Quality deinterlacing resolves an issue editing photos with iPhoto or Aperture in full screen view resolves an issue with Parental Controls Time Limits for Open Directory or Active Directory users resolves a display sleep issue with MacBook Pro (Early 2010) computers resolves an issue with MacBook Pro (Early 2010) computers in which the right speaker may sound louder than the left speaker includes Safari 5.0 for more information about Safari 5.0, see this webpage Security improvements for information about the security content of this update, please visit this articleFixes and improvements for Aperture 3 adds tethered shooting support for additional digital camera models addresses IPTC metadata compatibility issuesFixes and improvements for external devices RAW image compatibility for additional digital cameras resolves an issue with using third-party USB web cameras resolves an issue with noise when using some third-party FireWire audio devices resolves pairing issues with Apple remotes Changes Mac OS X 10.6.4 is an essential update for all Snow Leopard users. Finally, there are fixes and improvements for external devices such as RAW image compatibility for additional digital cameras, a resolved issue with using third-party USB web cameras and a resolved issue with noise when using some third-party FireWire audio devices. There are also fixes and improvements for Aperture 3, added tethering support for additional digital camera models and additional IPTC metadata compatibility issues are addressed.

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