Late Thursday, shareware developer Maintain released version 6.3.1 of CocktailCocktail (Mountain Lion Edition), the popular shareware utility program that allows for additional Mac OS X system tests. The new version, a 5.5 megabyte download, adds the following fixes and features:

- Fixed a problem where Cocktail could not change Time Machine backup interval.

- Addresses an issue in which Cocktail failed to restart or shutdown the computer.

Cocktail 6.3.1 retails for a US$19.00 shareware registration fee and requires an Intel-based Mac running Mac OS X 10.8 or later to install and run.