[boost] [release] 1.69.0 closed for Beta

Subject: [boost] [release] 1.69.0 closed for Beta
From: Marshall Clow (mclow.lists_at_[hidden])
Date: 2018-11-10 15:07:31

The master branch is now closed for all changes except by permission for
the Beta release.

Also, remember to add your libraries' changes to the release notes at:
    <
https://github.com/boostorg/website/blob/master/feed/history/boost_1_69_0.qbk
>

You can preview the release notes at:
    <http://www.boost.org/users/history/in_progress.html>

Thanks,

-- The Boost Release Team