The C++11 standard is a major extension to the C++ standard. Below you can find an overview of the changes as they have been grouped on the isocpp FAQ with links to more detailed documentation.

Language Extensions

General Features

• auto
• decltype
• Range-for statement
• Initializer lists
• Uniform initialization syntax and semantics
• Rvalue references and move semantics
• Lambdas
• noexcept to prevent exception propagation
• constexpr
• nullptr – a null pointer literal
• Copying and rethrowing exceptions
• Inline namespaces
• User-defined literals

Classes

• =default and =delete
• Control of default move and copy
• Delegating constructors