In addition to what Apple terms â€śgeneral operating system fixes that enhance the stability, compatibility and security of your Mac,â€ť the update tweaks the Mac App Store to prepare for the release of Lion. It also resolves an issue that caused Preview to crash, improves IPv6 support and VPN reliability and identifies and removes known variants of the Mac Defender Trojan horse. There are a number of other improvements included in the update, all of which are detailed in an Apple support document.
Apple also released the 10.6.8 update for Mac OS X Snow Leopard Server. Among other things, ot fixes issues displaying videos in Wiki pages for Firefox and Internet Explorer, improves the reliability of sharepoints with Time Machine, address the reliability of vacation email notices, improves international character handling and authentication support for iCal Server, properly enables earlier updates in Software Update Server and improves reliablity for cascading Software Update Servers. For a full list of fixes, follow the link above. Both a 542 MB incremental update and a 1.27GB combo updater are available directly from Apple.
In addition to that update, Mac OS X Server users can also now grabÂ Server Admin Tools 10.6.8, which revises a number of administration tools and utilities for the server software. Itâ€™s available via Software Update as well as in a 255.9MB update from Appleâ€™s support downloads site.