10.2.6 6L51 Seeded?

Some users note that Apple has seeded Mac OS X 10.2.6 6L51 to developers, indicating that another update will be arriving before we see Mac OS X 10.3 (Panther)

The update is said to include the following:

Improved reliability for the following applications, services, and technologies: Address Book, Graphics, Printing, OpenGL, and PC Card and USB Hub compatibility.

USB kernal panic fixed, Unreal Tournament 2003 GeForce video improved compatibility and other minor fixes.