Pre-release copies of Mac OS X "Tiger" 10.4.7 have made it to Apple developers sometime over the last few days, the builds labelled "8J111" and "8J2111" for PPC and Intel respectively will be the seventh update in just over a year.
Release notes of the latest builds list up to 60 issues that have been fixed since the previous update to Tiger, most notably 10.4.7 is said to include fixes to Safari, Mail.app, and iChat, its also reported that the update makes changes to the RAW image processor built into the Kernel of Mac OS X.