o 14 new NSE scripts, bringing the total to 72!
o A brand new (much faster and more efficient) --traceroute system
o The Zenmap host filter (Ctrl-L) for drilling down to the exact
systems you want to see in a big scan based on the criteria you
specify. For example, type "apache" to see all the hosts running a
version of the Apache web server.
o UDP protocol-specific payloads make UDP scanning and host discovery
much more effective.
o And more than 100 other significant changes!
You can download Nmap 5.10BETA1 from http://nmap.org/download.html
More information is located at http://seclists.org/nmap-dev/2009/q4/476