Boost release 1.70.0 beta 1 is now available at:

<https://dl.bintray.com/boostorg/beta/1.70.0.beta1/source/>

The SHA256 checksums are as follows:

dbf89645e509acb2e53eac3c633834f1dec80bd8622e6e652a9741dcf0807f17  ./boost_1_70_0_b1.7z
957b984b58656a3ec00661ecad7ef82e3a094bad36e37b9e6624843237854679  ./boost_1_70_0_b1.tar.bz2
76d149c1fb9e8a5ceb3bc1e5587edc40fa79a43e8b990d877c2210f0382b9421  ./boost_1_70_0_b1.tar.gz
71e990b2c26880521fd98459b184ee172ce1c46dcf554b6eaab7776b8b6369a6  ./boost_1_70_0_b1.zip

For details of what's in the release, see <https://www.boost.org/users/history/version_1_70_0.html>.

Please download the beta, give it a try, and report any problems you encounter.

Thanks,

-- The Boost Release Team