Boost release 1.54.0 beta 1 is now available from SourceForge See http://sourceforge.net/projects/boost/files/boost/1.54.0.beta.1/ This release contains 3 new libraries: • Log: Logging library, from Andrey Semashev. • TTI: Type Traits Introspection library, from Edward Diener. • Type Erasure: Runtime polymorphism based on concepts. and numerous enhancements and bug fixes for existing libraries. For details of what's in the release, see http://www.boost.org/users/history/version_1_54_0.html. Note that the links to files on this web page are for the final release - use the SourceForge link above to get the beta files. Please download the beta, give it a try, and report any problems you encounter. Thanks, -- The Boost Release Team