The C++14 standard is often referred to as a bugfix for C++11. It contains only a limited list of changes of which most are extensions to the new features in C++11. 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

• Binary literals
• Generalized return type deduction
• decltype(auto)
• Generalized lambda captures
• Generic lambdas
• Variable templates
• Extended constexpr
• The [[deprecated]] attribute
• Digit separators

Library Extensions

• Shared locking
• User-defined literals for std:: types
• std::make_unique
• Type transformation _t aliases
• Addressing tuples by type (e.g. get<string>(t))
• Transparent Operator Functors (e.g. greater<>(x))
• std::quoted

Deprecated / Removed

• std::gets was deprecated in C++11 and removed from C++14
• std::random_shuffle is deprecated

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