Stairways Software today announced the release of Keyboard Maestro 2.1, the latest version of its productivity enhancer for Mac OS X. Keyboard Maestro consists of three functions: powerful macros, program and windows switching, and clipboard switching. Version 2.1 features adds native Intel Universal Binary support and resolves a number of minor issues. Keyboard Maestro requires Mac OS X 10.2 or later and is priced at US$20 (upgrade pricing and a free demo are also available).