The Vaucanson Team is proud to announce the release of Vaucanson 1.0. This release features some major changes such as XML revamping, many changes regarding usability, and a lot of bug fixes. The TAF-Kit, the binary programs to run Vaucanson, can now operate on Z automata and with transducers. More informations are to be read on: http://www.lrde.epita.fr/cgi-bin/twiki/view/Vaucanson/Vaucanson100 and in the NEWS file.