The review for the proposed Boost.OpenMethod library by Jean-Louis Leroy is scheduled to take place from April 28 to May 07. OpenMethods solve the Expression Problem by making it possible to define free virtual functions, i.e. virtual functions that exist outside of a class The library repository is here: https://github.com/jll63/Boost.OpenMethod. The documentation is here: https://jll63.github.io/Boost.OpenMethod.