Boost 1.92.0 beta 1 is now available at: https://archives.boost.io/beta/1.92.0.beta1/ The SHA256 checksums are as follows: 005f4903695cce4382340ea57dd53bd1f0762927de28c9fa265f6ea2c7c1ad3f boost_1_92_0_b1.zip 11f8f032a73cfd91899f170341578cabc040c4473e95a056cdc919c90778fa05 boost_1_92_0_b1.tar.bz2 290472960719ccc487e2f91ebc952c86b6d0244a9a4ec36a943d8f7485b29b3b boost_1_92_0_b1.7z 585e0a028cc3f1f7711842b7cbfbb5faece2f243ef57ffe7fb846e9b61e2faa5 boost_1_92_0_b1.tar.gz For details of what's in the release, see the changelog available at: https://www.boost.org/releases/1.92.0.beta1. Boost Calendar with the release schedule: https://www.boost.org/calendar/ Please download the beta, give it a try, and report any problems you encounter. Thanks, -- The Boost Release Team