The Omni Group has released a public beta of its forthcoming OmniWeb 4.5 browser for Mac OS X 10.2.

This is the first version of the browser to include the open-source WebCore and JavaScriptCore frameworks from Apple.

Omni says these frameworks bring "greatly improved support for the latest Internet standards like CSS, HTML, XHTML and JaveScript to the browser".

Additional enhancements include improved bookmarks, AutoFill, history indexing and the inclusion of a Safari bookmarks importer.

The beta is available in English only. The previous version of the browser cost $29.95.