[boost] It's that time again already - Boost 1.57.0 schedule

It’s that time again. Here’s the schedule for the upcoming 1.57 release. If you’ve got changes that you’ve been putting off making, now’s the time to get busy. * 13-Oct Last day for significant changes * 20-Oct Beta build * 27-Oct Automatic merging turned off, build an RC * 3-Nov Release Boost 1.57.0 Questions? Ask them here. — The Boost release managers. P.S. We’ll be updating the calendar on boost.org/development soon.