Along with the update for Aperture, Apple has also released an update for Soundtrack Pro to version 1.0.2. The update which waights 41.6MB has the following description:

About this update
Soundtrack Pro Update (version 1.0.2) gives audio and video professionals a powerful way to edit and design sound.

Soundtrack Pro waveform editor includes innovative action layering and intelligent repair and restoration functions that let you accurately manipulate audio while retaining total creative flexibility. And, with support for video formats up to HD resolutions, full multitrack editing and mixing, over 50 professional effects plug-ins, and thousands of included Apple Loops, precise audio control has never been so intuitive.

This update is not for the version of Soundtrack that ships with Final Cut Pro, which is alrady numbered 1.2. More information about this update can be found here.