DivXNetworks today announced the release of DivX for Mac 5.1, the latest Mac version of the DivX video compression technology. Version 5.1 offers improvements in speed, performance, and visual quality, such as: decoder re-architecture (up to 100% faster, according to the press release), a new feedback mode, new psychovisual modeling, two new high-quality modes, and a new graphical user interface. DivX 5.1 for Mac is available to consumers in two versions. DivX Pro 5.1 for Mac, an advanced application for professional users, is available for US$19.99. A standard version of the Mac codec is also offered for download free of charge.