Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
CIDR and class D support was added, making it
possible to enter the subnet mask directly in the
IP address field (for example, 192.168.10.30/27). The
IP address is now checked for validity. There were
also resizing improvements and memory leaks were
fixed.