Macpup 550 was released.
"Prit and I are proud to announce the release of Macpup 550, our newest E17 Macpup. It is based on Precise Puppy 5.5.0, an official Woof build of Puppy Linux that is binary-compatible with Ubuntu 'Precise' packages. Macpup 550 contains all the applications from Precise Puppy with the addition of Firefox 21. It also includes the Enlightenment 0.17 window manager. The EFL libraries version 1.7.5 and E17 version 0.17 were compiled and installed from source. To keep your CPU cool and your fan quiet use the CPU Frequency Scaling Tool; Menu, Applications, System, CPU frequency Scaling Tool. The first time you run Macpup the system will be running totally in RAM, click on htop on the ibar to check working space left in RAM."
Macpup is a minimalist desktop Linux distribution based on Puppy Linux. It uses Enlightenment as the default window manager and provides a user interface resembling that of Apple's Mac OS X.