The Omni Group today announced the final release of OmniGraffle 4 and OmniGraffle Professional 4. The new version is a major update to the diagramming and drawing application, and offers a streamlined user interface as well as many new features under the categories of brainstorming, drafting, import and export, and document management. Feature highlights of OmniGraffle 4 include a new dynamic outline view, diagram styles, a Bezier curve drawing tool, and improved import and export options. OmniGraffle Professional 4 adds master canvases, notes, tables, document scale, improved Visio XML import and export, and SVG export, and more. OmniGraffle 4 is available now for US$79.95, and OmniGraffle 4 Professional is $149.95. Upgrades from OmniGraffle 3 to 4 are $29.95, and upgrades from OmniGraffle 3 Professional to OmniGraffle 4 Professional are $49.95.