[boost] [release] Is everyone ready for the 1.72.0 release (cycle)?

We're getting ready to start the release cycle. People should be familiar with the milestones. They're on the calendar at https://www.boost.org/development/ The first two milestones are: 23-Oct: Boost 1.72.0 closed for new libraries and breaking changes 30-Oct: Boost 1.72.0 closed for major changes -- Marshall