Spectrasonics has released new Audio Units (AU) updates of their virtual instrument plug-ins Trilogy, Atmosphere and Stylus Classic.

The AU updates add compatibility for Apples new Mac OS X version 10.4 (Tiger), as well as AU Validation for Apple Logic 7, sample rate and tuning fixes and all known MOTU Digital Performer 4.52 and higher issues including a muting problem and lost presets when bouncing mixes to disk.