Hi, I think missing Boost.Range release note for 1.54.0. https://svn.boost.org/svn/boost/website/public_html/live/feed/history/boost_... Please see changeset: https://svn.boost.org/trac/boost/changeset/84823 Changeset 84823 Timestamp:06/17/13 22:22:07 Author:nathanridge Message:[range] Merge Boost.Range bug fixes to release branch (fixes #6944; fixes #7407; fixes #7408; fixes #7731; fixes #7827; fixes #8338; fixes #8453). Thanks, Akira