Release Notes: A complete ground-up rewrite, implementation of a "darknet" mode for added security, a friendly installer, and a multitude of other improvements.
Release Notes: The user is no longer required to find other users to connect to, if this is difficult. Many bugs have been fixed, and a lot of work has been done on usability and resource consumption.
Release Notes: This release operates over UDP rather than TCP. It can transparently operate through firewalls. The core architecture and algorithm have been redesigned for simplicity and efficiency. A new and even simpler API allowing the rapid development of third party software that interacts with Freenet has been added.
Release Notes: This release fixes a major vulnerability in the HTML filter.
Release Notes: New features include NIO technology that brings improved performance while using less CPU and system resources. Individual nodes are now more efficient, and the speed and routing of the entire network were significantly improved. Probabilistic caching was implemented, which further improves routing and lets Freenet store and find more data. Some user interface improvements were made. More improvements were made for downloads of large files. The Heisenbug and tons of other bugs were fixed.