The new Boost 1.69.0 release is now available for download. This version comes with a host of fixes in the various libraries.
The highlights of this new release include the removal of Signals Library. The recommended library to use if Signals2.
There are updates and fixes in practically all the libraries as see on the official release logs here.
You can visit the Boost 1.69.0 Release download page to get yourself a copy.