 Microsoft released a public beta for the next major update for Windows Live Essentials dubbed "Wave 4" on June 24, 2010.The updated applications include Windows Live Messenger, Mail, Photo Gallery, Movie Maker, Writer, Family Safety, Mesh, and Messenger Companion.For Windows Live Mesh, the application has been rewritten to be based on the previous Live Mesh and will allow PC and Mac users to keep their documents, pictures and music in sync across multiple computers.