The release candidates for the 1.61.0 release are now available at: http://boost.cowic.de/rc/boost_1_61_0_rc1.zip http://boost.cowic.de/rc/boost_1_61_0_rc1.7z http://boost.cowic.de/rc/boost_1_61_0_rc1.tar.bz2 http://boost.cowic.de/rc/boost_1_61_0_rc1.tar.gz The SHA256 checksums are as follows: dcd11a91a412b2e8a78678b38cb2a74857e61f9bfe2577de9fd70be770100d54 boost_1_61_0_rc1.7z 476937369c7a82103b734ccae85d35a523cdb7f8462c5f2fe1217ff0c8e2a7df boost_1_61_0_rc1.tar.bz2 e60dee39ebb29d24bf8a4ef9aec34dbb8c1b9b219d4737ea4b358f38b1aab2b7 boost_1_61_0_rc1.tar.gz e5f662f44a65c5c19450b8a1c07f75c7d5f16e58667871e856ba3984ec082006 boost_1_61_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. The signed list of checksums is also attached, signed with the following key: https://pgp.mit.edu/pks/lookup?op=get&search=0xDA472E8659753BA4 Key fingerprint C5F0 F367 AA66 616F B839 806E DA47 2E86 5975 3BA4 Thanks! -- The release managers