Maintain has served up Cocktail 7.3 (Mavericks Edition). It’s a maintenance release of the utility that lets users clean, repair and optimize their Macs.

Version 7.3 adds the ability to clear Icon Services caches and saved application states. It also adds an “Allow power button to put the computer to sleep” setting and an Utilities menu that offers quick access to miscellaneous utilities and assistants.

Cocktail 7.3 (Mavericks Edition) requires OS X Mavericks 10.9 to run. Cocktail (Mountain Lion Edition) for OS X 10.8, Cocktail (Lion Edition) for OS X 10.7 and Cocktail (Snow Leopard Edition) for OS X 10.6 are available for download from Maintain website.

Cocktail costs US$19 for a single user license. You can purchase it at the Maintain web site (http://www.maintain.se/cocktail).