The deadline for new libraries and breaking changes has passed. Upcoming dates: 1-Apr Boost 1.73.0 closed for major changes 8-Apr Boost 1.73.0 closed for beta ASAP Boost 1.73.0 beta 22-Apr Boost 1.73.0 closed for release ASAP Boost 1.73.0 release "ASAP", in this list, means "As soon as possible after the preceding milestone" -- Marshall