Mort Bay Consulting has released Jetty 6.1.12,
an open source servlet engine that supports version 2.5 of the Java Servlet API and version 2.1 of Java Server Pages, and my personal favorite embeddable web server.
New features include:
Cometd now uses a stable release of Dojo and a mvn release of cometd API
Improved Terracotta clustering support
Integrated with Gigaspaces for grid computing.
Async HttpClient now supports proxies, SSL and authentication