id summary reporter owner description type status milestone component version severity resolution keywords cc 11423 Serialization with versioning not working with (pure virtual) base classes anonymous Robert Ramey The versioning feature of the serialization component works fine when using with non-polymorphic classes or derived classes. However, for (pure virtual) base classes the version number set with BOOST_CLASS_VERSION(MyBaseClass, 1) seems to be ignored and during serialization the default version (=0) is always used. Bugs closed To Be Determined serialization Boost 1.58.0 Problem fixed