[release] Boost 1.81.0 Release Candidate 1 is available

From: Marshall Clow (mclow.lists_at_[hidden])
Date: 2022-12-08 15:24:59

The first release candidates for the 1.81.0 release are now available at:
<https://boostorg.jfrog.io/artifactory/main/release/1.81.0/source/>

The SHA256 checksums are as follows:

205666dea9f6a7cfed87c7a6dfbeb52a2c1b9de55712c9c1a87735d7181452b6	boost_1_81_0_rc1.tar.gz
6e689b266b27d4db57f648b1e5c905c8acd6716b46716a12f6fc73fc80af842e	boost_1_81_0_rc1.zip
d7bc4e2a2aee374a8c24832cacfed1265680c1e824d09fab3e00f87508155353	boost_1_81_0_rc1.7z
71feeed900fbccca04a3b4f2f84a7c217186f28a940ed8b7ed4725986baf99fa	boost_1_81_0_rc1.tar.bz2

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 Release managers