The release candidates for the 1.63.0 release are now available at:

    https://sourceforge.net/projects/boost/files/boost/1.63.0/

The SHA256 checksums are as follows:

010699561c6011e6d97dc453d55bc5e54cdc192622434eff7b8ac559efac846c  boost_1_63_0_rc1.7z

d8ebf8d90b2f823f04119445ac339d704395d655907333ec0fab863040119d24  boost_1_63_0_rc1.tar.bz2

dabe29b8a60369ae7c15c20681a32717f3c37d97e5dc6d39c5b2fd0494b8e995  boost_1_63_0_rc1.tar.gz

1683942022fd63c205c48fb2155af6094c67ef67aa13ffb3e1db78fecf817efe  boost_1_63_0_rc1.zip

As always, the release managers would appreciate it if you download
the candidate of your choice and give building it a try. Please report
both success and failure, and anything else that is noteworthy.