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QVersionNumber, e.g., was added for Qt 5.6, the last Qt version that didn't require C++11. So it made sense that the original documentation stated that certain functions were only available in C++11 mode. But already Qt 5.7 required C++11, so these historical anecdotes are no longer pertient to today's Qt users, so remove them from the docs. Pick-to: 6.6 6.5 6.2 5.15 Change-Id: I5c732d3b9b33e1fb6947eff4fac546476c8379f2 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> (cherry picked from commit 4f3142bfce0c64d023299f142d14e60ec577b698) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>