[release] Boost 1.72.0 Beta 1 Release Candidate 2

From: Marshall Clow (mclow.lists_at_[hidden])
Date: 2019-11-20 14:48:14

Boost release 1.72.0 beta 1 rc2 is now available at:

<https://dl.bintray.com/boostorg/beta/1.72.0.beta.1.rc2/source/>

The release notes are not yet available.
The updated documentation is not yet available.
[ They will be available in a day or two. ]

The SHA256 checksums are as follows:

5a6b5cbd27b8ca0c7741b715e022a3bf05aecbb1e73dc72dd82eef9622374bd5
 ./boost_1_72_0_b1_rc2.7z
6c85a7aed198757f5e4be66a971ae90a25c4ce32703fecfb5bb19019bd80947c
 ./boost_1_72_0_b1_rc2.tar.bz2
be4a3fdaa84d5a8b25863651043308e02645f3fbf772b7623ee6462fb1dbad09
 ./boost_1_72_0_b1_rc2.tar.gz
95181a5f3de0078b8fc031f63a4dc8be4d70b7d3d5cde3b266d2cd98bd4b61b0
 ./boost_1_72_0_b1_rc2.zip

Changes since RC1:
* Fix Boost.IOStreams to allow compilation on Mac OS w/LZMA support.

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

Thanks,

-- The Boost Release Team