The 3.1 branch of Commons HttpClient is now in the maintenance mode. Bugs will still be fixed, but no new features added.
HttpCore 4.0 is almost fully feature-complete and its API has been frozen. All official releases in the 4.0.x code line are expected to be API compatible. The focus of the development efforts will be gradually shifting towards providing better test coverage, documentation and performance optimizations.
The HttpCore forms the foundation of HttpClient 4.0 and can also be used separately to build custom client- and server-side HTTP services.
The complete list of bugs and new improvements targeted for the next release can be found here.
The redesign of HttpClient is now complete. All known architectural deficiencies and problems of the old architecture have been resolved. HttpClient now sports a cleaner, more flexible and expressive API, a more modular structure, improved performance and reduced memory footprint.
HttpClient 4.0 is now feature-complete and its API has been frozen. All official releases in the 4.0.x code line are expected to be API compatible.
The complete list of bugs and new improvements targeted for the next release can be found here.