Wireshark 1.1.3 has been released. Installers for Windows, Mac OS X 10.5, and source code is now available. This is a development release, intended to be used as a platform for testing new features. If you want the stable release of Wireshark, go download 1.0.6.
This version features a new top-level menu arrangement and integration with OpenStreetMap.
You can get it right now at the Wireshark download page.