Alexander Tratsevskiy has announced the availability of Calculate Linux 15, a major new release of the project's Gentoo-based distribution for desktops (with a choice of KDE, MATE or Xfce), servers and media centres: "We are happy to announce the release of Calculate Linux 15. Main changes: a new method for packages updates - better reliability, each mirror stores version history, updates are faster, the update tool selects the fastest mirror, update configuration defaults to parallel fetching and installation; common binary repositories - distribution profiles were unified, you are free to choose between three brand-new flavours, each with USE flags adapted to different needs; new Calculate Utilities 3.4 - system build tools were completely rewritten, Calculate Console comes with a GUI mode, Overlayfs support was added for fast deployment...."