Emagic have released a major update to Logic for MacOS and OS X - version 6.0, including many new features and enhancements - full details can be found at their Logic 6 micro site.
Emagic have also released v5.5.1 of Logic (all versions) for Windows, a minor update adding improved stability.
Emagic have also released v5.5.1 of Logic (all versions) for Windows, a minor update adding improved stability.