The developers of Calculate Linux, a Gentoo-based desktop and server distribution, have announced the release of Calculate Linux 15.12. One of the main changes in this release is the replacement of the Chromium web browser with Qupzilla. "We are happy to announce the release of Calculate Linux 15.12. Calculate Linux Desktop, featuring either the KDE SC 4 (CLD), the MATE (CLDM) or the Xfce (CLDX) environment, Calculate Directory Server (CDS), Calculate Media Center (CMC), Calculate Linux Scratch (CLS) and CLSK with KDE SC 5, Calculate Scratch Server (CSS) are all available for download. Chromium was replaced with the QupZilla web browser on desktop CL versions. A Calculate Linux ISO image can be booted from a live hard drive volume. To do so, select the Live HDD formatting line that was added to the GRUB menu. The release announcement contains a full list of changes and updates. Calculate Linux offers users several desktop editions, including KDE, MATE and Xfce, as well as a directory server, media centre and "Scratch" editions.