Reports over at Appleinsider suggest Apple this week have began testing Mac OS X 10.5.6, the next ina running series of updates planned for the Mac OS X 10.5 Leopard operating system, which could prove to be the most extensive yet.

The first test build, which reportedly arrive Thursday, is said to contain a sprawling laundry list of system components in need of evaluation. This list, which totals nearly six dozen, names almost every major component -- in addition to minor components like Calculator -- of the Mac OS X, according to people familiar with the matter.

A tally of fixes accompanying the pre-release is said to be similar in stature. Apple appears to be placing a particular emphasis on core audio technologies in the update, along with iCal.

More....