On 4/23/2017 11:33 PM, Rene Rivera via Boost wrote:
The master branch is open for merging all stable changes from develop, including bug fixes and major upgrades to existing libraries. Breaking changes should be coordinated via the mailing list with the developers of the other libraries affected. New libraries may be added, but require permission of a release manager.
In other words, merging does not require permission from a release manager, except for new libraries.
Boost Calendar with the release schedule: http://www.boost.org/development/index.html
Release schedule explanation: https://github.com/boostorg/boost/wiki/Release-Schedule
Release practices for developers: http://svn.boost.org/trac/boost/wiki/ImprovingPractices
I see tags for the 1.64 betas but no tags for 1.64 yet in the library submodules.
-- The Boost Release Team