The Omni Group today released OmniWeb 5.1, an update to its feature-rich Mac OS X Web browser. Version 5.1 features the latest Apple WebCore rendering engine, offering greater compatibility with Web sites; improved history browsing performance; the ability to tab between form elements (text fields, buttons, popups, checkboxes, radio buttons, etc.); and improved Java compatibility and performance. OmniWeb 5.1 sells for US$29.95.