In this page you can find the most important news such as the release of new versions, new tools, new features, as well as social events. The current version of the MadGraph5_aMC@NLO is available on the [ https://launchpad.net/madgraph5 launchpad ]. Detailed technical information on versioning of v4, code evolution and minor bug fixing can be found in the [http://madgraph.phys.ucl.ac.be/Downloads/UpdateNotes.txt Update Notes]. [[br]]An equivalent file exist for [https://cp3.irmp.ucl.ac.be/projects/madgraph/wiki/MadWeight MadWeight] : [http://madgraph.phys.ucl.ac.be/Downloads/MW_UpdateNote.txt MadWeight Update Notes]: