Maintain releases Cocktail 10.2.1 (Sierra Edition), the latest maintenance update for users running macOS Sierra. Cocktail is a general purpose utility for macOS that lets users clean, repair and optimize their Macs. This version adds macOS Sierra 10.12.3 compatibility and support for unified logging. It also contains improvements on the "Clear log files" procedure and fixes compatibility issues with Adobe Flash Player. Cocktail 10.2.1 (Sierra Edition) is $19.00 and can be downloaded from their website.