"Fedora Core 5" was released on March 20, 2006, with the codename Bordeaux, and introduced the Fedora Bubbles artwork. It was the first Fedora release to include Mono and tools built with it such as Beagle, F-Spot and Tomboy. It also introduced new package management tools such as pup and pirut ("see Yellow dog Updater, Modified"). This release replaced the old LinuxThreads, with the Native POSIX Thread Library.