[boost] [release] Boost 1.76.0 beta 1 released

Boost release 1.76.0 beta 1 is now available at: https://dl.bintray.com/boostorg/beta/1.76.0.beta1/source/ The SHA256 checksums are as follows: 39eecd9672e78b95c8e3fdec1430a63788d528a66d3c8799c4639238e5d785bd boost_1_76_0_b1.7z c32edd34f767dd4bb67b86f76ebf58cf76822a5993a9b434c028b2dd08cfeefc boost_1_76_0_b1.zip 3ec1f92fa0a159b7073e39dd88f527a55d1f35e8986a3c560f202a75bdb8d584 boost_1_76_0_b1.tar.gz eb098d6d5352e10b17a3c49d2927ed61f09b6544f7c534627de35dfa2560fe20 boost_1_76_0_b1.tar.bz2 For details of what's in the release, see https://www.boost.org/users/history/version_1_76_0.html. Please download the beta, give it a try, and report any problems you encounter. Thanks, -- The Boost Release Team